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Nov mud motor handbook

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2013 NOV Mud Motor Handbook and technical reference for all applications. Includes all specifications and performance data for drilling / directional drilling operations.

2013 NOV Mud Motor Handbook and technical reference for all applications. Includes all specifications and performance data for drilling / directional drilling operations.

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  • 1. MOTOR HANDBOOK Edition 7 Motor Handbook
  • 2. Motor Handbook Seventh Edition, May 2011 Version 7.4
  • 3. This handbook is intended to be an aid to the operator and is solely provided for information and illustration purposes. Please feel free to contact any of our locations with questions not answered in this handbook. The technical data and text in this handbook is subject to change without notice. Seventh Edition (May 2011) [Version 7.4] Handbook Designer & Copy Editor: Tyler Dyck Editor: Ryan Gee Graphic Designers: Trevor Alner Tyler Dyck Technical Contributors: Steve Barton Tyler Dyck Kim Gates Ryan Gee Blair Guidroz Daniel Perez Tony Pink Mike Poirier Huzaifah Razali Lorna Snoek Peter Shwets Mark Voghell ISO 9001: 2000 Licensed Manufacturer Under: API Spec. 7 - License Number 7-1-0063 www.nov.com 09696:801197 09696:802078 DHPSales@nov.com
  • 4. Introduction CONTENTS SECTION I: NOV Motors ..............................................1 1. Introduction ........................................................................ 3 2. Motor Sub-Assemblies ....................................................... 4 Top Sub Options .................................................................. 5 Top Sub ..................................................................................... 5 Dump Sub ................................................................................. 5 Motor Catch & Rotor Catch Top Subs ........................................ 5 Adjustable Assembly ................................................................. 7 Fixed Housing ........................................................................... 7 Oil Sealed Bearing Assembly ..................................................... 7 Mud Lubricated Bearing Assembly ............................................ 8 Power Section ..................................................................... 5 Adjustable Assembly & Fixed Housings ................................ 7 Driveshaft Assembly ............................................................ 7 Bearing Assembly ................................................................ 7 Drill Bits ............................................................................... 8 Other Options ....................................................................... 9 Stabilizers ................................................................................. 9 BlackBox® Top Sub and Bearing Mandrel ................................... 9 3. Motor Technology ................................................................ 10 ‘ST3’ Sealed Bearing Technology ........................................ 10 ‘ST2’ Sealed Bearing Technology ........................................ 10 ‘ST1’ Sealed Bearing Technology ........................................ 10 ‘ML3’ Mud Lubricated Technology ...................................... 11 ‘SR3’ Short Radius Technology .......................................... 11 DuraPower™ ..................................................................... 12 HEMIDRIL® Drilling Motor .................................................. 12 PowerPLUS™ Drilling Motor ............................................... 13 Vector™ Drilling Motor ....................................................... 13 CT HEMIDRIL® Motor ......................................................... 14 CT PowerPLUS™ Motor ..................................................... 14 Coiled Tubing Motor ........................................................... 15 Power Section Elastomers .................................................. 15 Other NOV Technologies ..................................................... 16 BlackBox®Data Recorder ......................................................... 16 VibraSCOPE™ Dynamic Analysis ............................................. 16 SECTION II: MOTOR OPERATING DATA ......................17 4. Applications ........................................................................ 19 Performance Drilling .......................................................... 20 Directional Drilling .............................................................. 21 Air or 2-Phase Drilling ........................................................ 21 Selection / Setup ..................................................................... 21 Pressures .................................................................................. 2 Temperature .............................................................................. 2 Volume Requirements ............................................................. 23 Fluid / Lubricant Requirements ................................................ 23 Drilling with Nitrogen (N2) ........................................................ 23 Operation ................................................................................ 23 Performance Curves ............................................................... 24 Milling ............................................................................... 24 Coring ............................................................................... 24 Rat holes, Mouseholes and Spudding ................................. 24 Workover ........................................................................... 24 iii
  • 5. Motor Handbook, 7th Edition 5. Operation........................................................................... 25 Run Preparation & Rig Site Testing...................................... 25 Running In.......................................................................... 25 Starting the Motor............................................................... 26 Drilling................................................................................ 26 Reactive Torque.................................................................. 27 Stalling............................................................................... 28 Over-Running the Bit........................................................... 28 Vibration............................................................................. 28 Torsional Vibration (Stick Slip).................................................. 29 Lateral Vibration (Bit/BHA Whirl)............................................... 30 Axial Vibration (Bit Bounce)...................................................... 31 Rotary RPM........................................................................ 32 Motor Pressure Drop........................................................... 32 Bit Pressure Drop................................................................ 33 Power Section Fits.............................................................. 33 Drilling Fluids...................................................................... 34 Oil Based Drilling Fluids............................................................ 35 OBM Run Practices.................................................................. 36 H2S (Sour) Service................................................................... 36 The Effects of Chlorides on Power Sections.............................. 37 Drilling Fluid Additions.............................................................. 38 Downhole Temperature....................................................... 39 Plugging Off........................................................................ 40 Hydraulic Extension............................................................ 40 Back Reaming.................................................................... 40 Partial Rotor Bypass........................................................... 41 Running Additional Tools Below the Motor........................... 41 Rotor Nozzling.................................................................... 42 Tripping Out & Checking the Motor...................................... 42 Rig Site Maintenance.......................................................... 42 Motor Storage..................................................................... 43 Servicing............................................................................ 44 SECTION III: SUPPORTING INFORMATION.................... 45 6. 7. 8. Nozzle Selection................................................................ 47 Adjustable Assembly Operating Instructions..................... 49 2°, 3° and 4° Adjustable Housings....................................... 49 2.38° Adjustable Housing.................................................... 50 Lock Housing Make-up Torques.......................................... 51 Legacy Black Max™ Adjustable Housing Setting Procedure. 52 Troubleshooting................................................................. 54 SECTION IV: MOTOR PERFORMANCE DATA.................. 55 9. Motor Performance Summary........................................... 57 Motor Performance Summary............................................. 58 Weight on Bit Limits – Imperial............................................ 62 Weight on Bit Limits – Metric.............................................. 63 Motor Comparison Tables – Imperial................................... 64 Motor Comparison Tables – Metric...................................... 65 10. Motor Performance Data................................................... 66 How to Use Spec Pages...................................................... 67 iv
  • 6. Introduction APPENDIX: REFERENCE INFORMATION...................... 239 11. Engineering Data............................................................. 241 Formulas.......................................................................... 241 Imperial Conversions........................................................ 242 Metric Conversions........................................................... 243 Millimeter Equivalents....................................................... 244 Millimeter and Decimal Equivalents................................... 245 12. Drill Bit Sizes................................................................... 246 13. Heavy Walled Drillpipe.................................................... 247 14. Buoyancy Factor for Drill Collars..................................... 248 15. Drill Collar Weight........................................................... 249 16. Drill Collar Make-up Torque............................................. 250 17. Drillpipe & Tool Joint Properties...................................... 258 18. Mechanical Properties of Drillpipe.................................. 264 19. Hole Curvature................................................................. 268 Alphabetical Subject Index.................................................... 269 v
  • 7. Motor Handbook, 7th Edition List of Figures Figure 1: Motor Components..................................................................... 4 Figure 2: Rotor & Stator Cross Section...................................................... 5 Figure 3: Lobe Profiles.............................................................................. 6 Figure 4: Bearing Mandrel with BlackBox Pocket........................................ 9 Figure 5: Downhole Vibration Modes....................................................... 28 Figure 6: Power Section Fit...................................................................... 34 Figure 7: Max Pressure De-rating for Power Sections............................... 39 Figure 8: Nozzle sizes and equivalent flow rates for water......................... 47 Figure 9: 2.38° Adjusting Ring................................................................. 50 Figure 10: Performance Curve Example................................................... List of Tables Table 1: Make-up Torque for Stabilizers, Thread Protectors & Offset Pads... 9 Table 2: Available HEMIDRIL® Sizes....................................................... 12 Table 3: Torsional Deflection Angle Values for Drillpipe............................. 27 Table 4: Basic Chemical Compatibility Chart............................................ 36 Table 5: Chloride Content......................................................................... 38 Table 6: Available Nozzle Sizes................................................................ 42 Table 7: Max Allowable Endplay to Re-run............................................... 42 Table 8: Make-up Torque, Top Sub, or Dump Sub to Stator....................... 43 Table 9: Nozzle Torque Values.................................................................. 48 Table 10: 2°, 3° and 4° Conventional Lock Housing Make-up Torque........ 51 Table 11: 2.38° and 3° HEMIDRIL-rated Lock Housing Make-up Torque.... 51 Table 12: Adjustable Housing Bend Settings............................................ 51 Table 13: Black Max™ Adjustable Make-up Torque.................................. 53 vi
  • 8. SECTION I: NOV MOTORS
  • 9. NOV Downhole is the largest independent downhole tool and equipment provider in the world. We have the expertise to optimize BHA selection and performance, supporting over 150 locations in more than 80 countries. Our complete range of solutions for the bottom hole assembly and related equipment includes: • Drill Bits • Drilling Motors • Borehole Enlargement • Drilling Tools and Products • Coring Services • Fishing Tools • Intervention and Completion Tools • Service Equipment • Advanced Drilling Solutions We take pride in delivering superior performance and reliability. Our objective is to exceed our customers’ expectations, improve their economics, and be an integral part of their strategies. NOV Downhole is an ISO 9001 Registered Firm, and is licensed to monogram API Products under Spec 7 License No. 7-1-0063.
  • 10. Introduction 1. Introduction The increased reliability of drilling motors, in combination with improved drill bit designs and Measurement While Drilling (MWD) systems, presents operators with enhancements to rotary drilling in an increasing number of applications. It is generally acknowledged that an effective drilling motor, matched to the drill bit and formation, provides a better rate of penetration than rotary drilling alone. In addition to increasing rate of penetration, a drilling motor allows a reduction in drillstring rotary RPM which reduces wear and tear on the casing, the drillstring, and other rotating topside components. A properly configured bottom hole assembly (BHA) also allows for effective directional control of the wellbore. The BHA is the lower portion of the drillstring, comprised of a drill bit, the drilling motor, and other specialized drilling or directional tools. The main sub assemblies of a drilling motor include the power section, adjustable or fixed housing, driveshaft, and the bearing assembly. • The power section offers a wide range of bit speeds and torque outputs. With recent improvements in elastomer technology and manufacturing techniques, the power section can be tailored to function in high bottom hole temperatures and invert mud systems. • The adjustable or fixed housing and driveshaft are located between the power section and the bearing assembly, and are engineered to withstand the increased torque rating of power sections. • As drilling programs become more complex and drilling distances push further, NOV Downhole engineers its bearing assemblies to withstand higher loads and torque, while increasing its reliability and longevity. NOV Downhole offers both oil and mud lubricated bearing assemblies. Your NOV Downhole representative will gladly assist you in selecting the most appropriate motor for your drilling application. Please consider the following questions when ordering your equipment: What is the drilling APPLICATION? Milling, Coiled Tubing, Coring, Borehole Enlargement, Other What is the general TYPE OF DRILLING? Straight, Directional, Performance (Vertical), Horizontal, Extended Reach Drilling What is the FORMATION comprised of? Soft Rock, Hard Rock, Abrasive Formations, Thinly Laminated Formations What is the estimated WELL DEPTH? Shallow Wells (up to 3,000ft), Intermediate (5,000 – 7,500ft), Deep (7,500 – 12,000ft), Ultra Deep (+16,000ft), Offshore Shelf, Offshore Deepwater What is the anticipated downhole ENVIRONMENT? High Pressure, High Temperature, Corrosive, High Chlorides, Oil-based Mud Are there any ADDITIONAL CONSIDERATIONS? Rate of Penetration (ROP) Requirements, Directional Controls, Stabilization Requirements, Dogleg Severity 3
  • 11. Motor Handbook, 7th Edition 2. Motor Sub-Assemblies POWER SECTION Options: • HEMIDRIL® • PowerPLUS™ • Vector™ ADJUSTABLE ASSEMBLY Options: • .38°, 3°, 4° adjustable 2 F • ixed straight and bent housings DRILL BIT Options: • Roller cone P • DC • i-center B D • iamond impregnated DRIVESHAFT ASSEMBLY Options: • Ultra Duty • Conventional BEARING ASSEMBLY Options: • Oil Sealed • Mud Lube • Short Radius • High Speed Figure 1: Motor Components 4
  • 12. Motor Sub-Assemblies Top Sub Options (Not shown in Figure) Top Sub The top sub is simply a crossover housing at the top end of the motor. The top connection is an API tool joint box, and is available with an optional “float bore” to accommodate API float valves. The lower connection uses a proprietary thread that connects to the upper box of the stator housing. Dump Sub (bypass valve, dump valve or bypass sub) The dump sub allows fluid to bypass the motor and fill the bore of the drillstring when tripping into the hole. It also allows the drillstring to drain when tripping out of the hole. When no dump sub is used, a wet trip out of the hole will occur. When the rig pumps are off, a spring holds a ported piston in the upper position, exposing ports in the dump sub body which allow drilling fluid to flow into or out of the drillstring while tripping. When the rig pumps are started, the flow through the piston bore causes a pressure drop across the ports in the piston. This forces the piston down, overcoming the spring force and closing the ports which in turn directs the drilling fluid through the motor. When the rig pumps are stopped, the spring forces the piston up, opening the ports. NOV dump subs are preset to close at less than the minimum recommended circulation rate of the motor assembly. There is little pressure loss through the dump sub when operating. Motor Catch & Rotor Catch Top Subs The rotor catch system is designed to retrieve the motor in case of a housing fracture. It will retrieve the motor from the upper stator box connection down to the drill bit. The motor catch system has the additional feature of an integral catch flange within the top sub. It will retrieve the motor from the top sub down to the drill bit. Power Section (motor section, motor assembly, multistage motor, positive displacement motor (PDM) drive, or rotor and stator) NOV Monoflo® defines a power section nomenclature by its outer tube diameter, rotor/stator lobe configuration and number of stages. Tube sizes range from 1 11/16” to 11 ¼” tube OD. The rotor and stator are designed as helical elements with a major and minor diameter. The lobe is the curved spiral shape formed by the difference in the major and minor dimension. Stator Elastomer Stator Major (valley) Stator Minor (peak) Stator Tube Rotor Rotor Major (peak) Rotor Minor (valley) Figure 2: Rotor & Stator Cross Section 5
  • 13. Motor Handbook, 7th Edition The stator will have one more lobe than the rotor. This difference in lobes creates a fluid inlet area (cavity) where fluid can be pumped through to create rotation. A stage is the distance measured parallel to the axis between two corresponding points of the same spiral lobe. This distance is commonly referred to as the lead of the stator. The lobe configuration selection is dependent on the application need. As a general rule, a high rotational speed power section will produce lower torque; inversely a low speed power section generates higher torque. Below are common lobe configurations with a generic summation of performance: 1:2 3:4 4:5 5:6 LOW TORQUE 7:8 9:10 HIGH TORQUE HIGH SPEED LOW SPEED Figure 3: Lobe Profiles The rotational speed generated by the power section is proportional to the rate of fluid flow through the power section, i.e. increasing the flow rate through a given power section directly increases the output speed. To increase the output speed of a power section without changing the flow rate, the cavity size is changed. A high speed power section will require a larger fluid inlet area (cavity) to allow more fluid throughput into the cavity. The torque generated by the power section is proportional to the differential pressure applied across the power section and is independent of fluid flow. Generally, the more weight applied to the bit, the higher the torque needed to keep the bit turning, so the higher the differential pressure across the Power Section. The maximum recommended differential pressure is limited by the stator elastomer. If pressure increases beyond the limits of the elastomer, the stator elastomer will deform, breaking the cavity seal so the mud flow leaks past the rotor and rotation stops – this is commonly known as a stalled motor. Refer to Stalling on page 28 for the recommended procedure to restart a stalled motor and limit potential motor damage. An increase in torque output can be achieved by three methods: U • se a power section with more stages. As torque is proportional to the applied differential pressure, a power section of similar tube diameter, lobe configuration and profile construction will generate more torque as the number of stages increases. For example, the 500-67-60 and 500 67-80 power sections will rotate at similar speeds but the 500-67-80 power section allows a higher maximum differential pressure, thus generating higher torque output due to more stages. • Use a high performance elastomer. PowerPLUS™ allows 50% higher differential pressure across each stage, generating 50% more torque with the increase in differential pressure. For example, the 500-67-60 power section’s maximum recommended differential pressure is 860 psi (5,930 kPa) and generates 2,370 ft-lbs (3,220 Nm) of torque using standard elastomer. The same model in PowerPLUS™ has a maximum recommended differential pressure of 1,290 psi (8,895 kPa) and generates 3,560 ft-lbs (4,820 Nm) of torque. 6
  • 14. Motor Sub-Assemblies U • se a HEMIDRIL even wall power section. HEMIDRIL Power Sections have a contoured stator tube ID and a thin elastomeric liner of even thickness. Backed by the contoured tube, the thinner elastomer liner maintains its sealing ability up to 75% higher differential pressure across each stage. HEMIDRIL® is the ultimate solution for increased torque output and reliability. ® Adjustable Assembly & Fixed Housings Adjustable Assembly (bent coupling housing, adjustable housing, AKO) The NOV adjustable assembly connects the stator to the sealed bearing assembly and encloses the driveshaft assembly. The angle setting is field adjustable to produce a wide range of build rates. Operation of the 2.38°, 3° or 4° adjustable housings, is outlined in Section 7: Adjustable Assembly Operating Instructions on page 49. The adjustable assembly is made up of only four components and is thus simple to service and maintain. The design allows for a large internal diameter and thus enables a larger, stronger driveshaft to be assembled. Fixed Housing Fixed, non-adjustable housings are available (special order) in straight or fixed bend configurations. Driveshaft Assembly (transmission, flex coupling, universal joint, coupling assembly) The driveshaft assembly converts the eccentric motion of the rotor into concentric rotation for the bearing assembly. It also accommodates any angle set on the adjustable bent housing (or fixed bend housing) and carries the thrust load from the rotor caused by the pressure drop across the power section. The assembly consists of a driveshaft and two sealed and lubricated universal joints connecting to the rotor and the sealed bearing assembly. NOV Downhole offers both conventional and “Ultra Duty” high torque driveshaft assemblies, designed to handle the highest torque power sections, with a proven record of reliability. Bearing Assembly (output shaft assembly, bearing pack, bearing stack, bearing section) Oil Sealed Bearing Assembly The sealed bearing assembly transmits the rotation of the driveshaft assembly to the drill bit. It transmits the compressive thrust load created by the weight of the collars and drill string to the rotating bit box, and supports the radial and bending loads developed while directional or steerable drilling. It also carries the tensile “off-bottom” thrust load produced by the pressure drops across the rotor and the drill bit, as well as any load caused during back reaming. 7
  • 15. Motor Handbook, 7th Edition The NOV radial bearings and thrust bearings are sealed in an oil chamber balanced to the internal tool pressure. The thrust bearings are high capacity and there is no need to balance hydraulic thrust load to bit load with the NOV sealed bearing motor. The high capacity radial bearings readily withstand side loads caused by drilling with a deflection device or uneven cutting action along the drill bit periphery. The lower connection is typically an API regular bit box. Custom connections and pin-down options can be special ordered. Mud Lubricated Bearing Assembly The mud lubricated bearing assembly is interchangeable with the sealed bearing assembly and performs the same basic function. In a mud lubricated assembly, a small percentage of the drilling mud is allowed to pass through the bearing chamber, to lubricate the bearings. The tungsten carbide radial bearings and angular contact bearing section supports the radial loads along the full length of the bearing assembly, creating a very stiff, strong assembly. Mud lubricated bearing assemblies can be used in the hottest holes with the lowest aniline point drilling fluids, as there are no elastomeric seals. The lower connection is typically an API regular bit box. Custom connections and pin-down connections can be special ordered. Drill Bits The broad range of circulation rates, bit speeds and bit torques available with NOV motors make them suitable for use with journal bearing and roller cone bits, PDC bits, coring bits, bi-center bits, and diamond impregnated bits. Significant work has been conducted by NOV® ReedHycalog® on developing specific Fixed Cutter (FC) designs for directional motor assemblies, with intent on providing high ROP when in rotating mode, along with a smooth torque response for efficient steering when in sliding mode. Several publications already exist on these developments, but in brief summary, the four prime FC design characteristics that have been engineered for steerable motors are: • SmoothTorque™ Torque Control Components (TCC): Secondary components specifically positioned in the cone of the bit to prevent cutter over-engagement. These provide a reduction in torque fluctuations for superior toolface control. • Optimized cutter backrakes: Relatively aggressive backrakes utilized to provide high penetration rates in rotating mode, while TCC’s are optimized (in terms of tip offset) to control torque when sliding. • Lateral torque control: Gauge inserts for lateral control and to provide a low friction bearing surface • SmoothTorque gauge design: Features laterally exposed gauge cutters to clean up the hole in rotating mode, and a tapered upper section to reduce gauge pad interference while in sliding mode A number of these features will also be critical to success with motors in vertical applications. Although there is no requirement for the torque control features to assist in sliding, they will still deliver a smooth torque response, thus improving the overall efficiency of the design. They also allow the use of more aggressive cutting structures in challenging applications as TCC will dramatically reduce the risk of Stick-Slip. This has been proven in a number of field examples using the BlackBox® data recorder in near bit subs. NOV can provide recommendations for matching ReedHycalog bits to motor configurations. 8
  • 16. Motor Sub-Assemblies Other Options Stabilizers NOV motors are available with a thread on the OD of the bearing assembly to accept straight or spiral blade screw-on stabilizers or screw-on offset pads. A protector is installed over this thread when stabilizers or offset pads are not being used. Stabilizers, thread protectors, and offset pads should be torqued to the values shown below. Table 1: Make-up Torque for Stabilizers, Thread Protectors & Offset Pads Torque Tool Size (lb-ft) (N-m) 1 7/16” N/A N/A 1 11/16” N/A N/A 2 1/8” N/A N/A 2 3/8” N/A N/A 2 7/8” 2,000 2,700 N/A 3 1/8” N/A 3 3/8” N/A N/A 3 1/2” 3,800 5,200 5,700 3 3/4” 4,200 4 3/4” / 5” 6,400 8,700 6 1/4” 10,000 13,600 6 1/2” / 6 3/4” / 7” 12,000 16,300 7 3/4” 20,000 27,100 8” 21,000 28,500 9 5/8” 35,000 47,500 11 1/4” 32,000 43,400 BlackBox® Top Sub and Bearing Mandrel The NOV BlackBox® can be used in several places in the BHA. Special sub and bearing mandrel options are available to house the Blackbox. See BlackBox Data Recorder on page 16. Figure 4: Bearing Mandrel with BlackBox Pocket 9
  • 17. Motor Handbook, 7th Edition 3. Motor Technology ‘ST3’ Sealed Bearing Technology (HEMIDRIL®-ST3, PowerPLUS™-ST3, Vector™-S3, DuraPower™-ST3) NOV ‘ST3’ Sealed Bearing Technology (previously known as the Series 36 bearing assembly) uses the strongest and most versatile sealed bearing assemblies in the NOV fleet. This is a fully sealed bearing assembly – 100% of the drilling fluid passes directly to the bit with no loss via flow restrictors, so bit hydraulics are maximized. Features: • Sealed, oil-lubricated bearing assembly • No-bypass design: 100% flow to bit • Ultra-Duty bearing mandrel for high torque power sections • Pin-down bearing mandrels available • Optional BlackBox™ pocket on bearing mandrel • Ball-type driveshaft assembly Benefits: • 100% of the fluid exits at the bearing mandrel bit box • Full flow to bit yields: - Better bit and hole cleaning - Increased ROP - Better bit life • Ideal for rotary steerable applications: - Full flow to power rotary steerable - No signal loss when running MWD pulser below motor • Handles abrasive drilling fluids better – no flow restrictor wear • Best option for air drilling – not relying on mud to lubricate bearings ‘ST2’ Sealed Bearing Technology (HEMIDRIL®-ST2H, PowerPLUS™-ST2H, Vector™-ST2, DURAPOWER™-ST2) NOV ‘ST2’ Sealed Bearing Technology (previously known as Series 24 / 24X bearing assemblies) and ‘ST2H’ (previously known as Series 24XH bearing assemblies) are capable of withstanding radial and axial loads similar to the ‘ST3’ assemblies. This design incorporates the use of flow restrictors to balance the lower rotary seals and therefore bypasses a small percentage of drilling fluid away from the bit. They have logged over 4 million hours of successful drilling since year 2000. ‘ST1’ Sealed Bearing Technology (Vector™-ST1, DuraPower™-ST1) NOV ‘ST1’ Sealed Bearing Technology (previously known as Series 14 / 17 bearing assemblies) also incorporates the use of flow restrictors to balance the lower rotary seals and therefore bypasses a small percentage of drilling fluid away from the bit. This technology has also been used successfully for many years and smaller sizes are still regularly used. 10
  • 18. Motor Technology ‘ML3’ Mud Lubricated Technology (HEMIDRIL®-ML3, PowerPLUS™-ML3, Vector™-ML3, DuraPower™-ML3) NOV ‘ML3’ Mud Lubricated Technology (previously known as the Series 40 bearing assembly) is designed with a mud lubricated bearing assembly featuring a bi-directional angular contact bearing pack that gives a uniform load distribution and high weight on bit capacity. In addition, the mud lubricated bearing assembly is radially supported over its entire length and can, therefore, tolerate very high side loads. The additional feature that separates the ML3 mud lubricated motor from competitors’ tools is the “Twin Torque Nut” design. This patent-pending feature separates the power section output torque from the compression of the bearings, so the torque rating of the bearing assembly is not limited by the bearings. Features: • Twin Torque Nut feature allows use with high torque power sections • Bi-Directional Angular Contact Bearing Pack - Tensile or compression load is supported by multiple rows of bearings • Bearing Assembly is radially supported over its entire length • Maximum operating temperature is limited only by power section • Ball-type driveshaft assembly Benefits: • Higher operating torques • Higher bottom hole temperatures • Extended operating hours • Easy to service; Beneficial in remote locations • Versatile; Operates in virtually any drilling fluid • Higher weight-on-bit (WOB) capacity ‘SR3’ Short Radius Technology (HEMIDRIL®-SR3, PowerPLUS™-SR3, Vector™-SR3, DuraPower™-SR3) NOV ‘SR3’ Short Radius Drilling Technology (previously known as the Series 39 bearing assembly) provides the ability to drill higher build rates, for short radius drilling. This uses a sealed bearing assembly – a shorter version of the ST3 design. Another use of a short bit-to-bend motor is to reduce the stresses in the adjustable assembly by drilling a standard radius curve but using a lower bend setting than a standard motor. This reduces the bending stresses experienced by the adjustable assembly, decreasing the risk of a housing fracture. Features: • Short bit-to-bend length • Sealed, oil-lubricated bearing assembly • No-bypass design: 100% flow to bit • Ball-type driveshaft assembly Benefits: • Higher build rates and motor steerability • Lower bend settings reduce stress on components • Minimizes True Vertical Depth (TVD) to reach horizontal 11
  • 19. Motor Handbook, 7th Edition DuraPower™ (DuraPower™-ST3/-ST2/-ST1 DuraPower™-ML3, DuraPower™-SR3) Each of the motor technologies (-ST3, -ML3, SR3, etc.) are available for order without a power section. This configuration of a motor bottom end without a power section is named DuraPower. HEMIDRIL® Drilling Motor (HEMIDRIL®-ST3, HEMIDRIL®-ML3, HEMIDRIL®-SR3, HEMIDRIL®-ST2H) The HEMIDRIL® Drilling Motor offers the highest power and torque output by utilizing even wall technology. The power section consists of a steel supported core with flexible multi-body construction, an even thickness elastomer and Power Rib™ technology. These features combine to deliver increased torque, power, and efficiency that are required in challenging drilling environments. The HEMIDRIL’s steel supported core allows for increased differential pressure across each stage over the length of the power section. The constant elastomer thickness reduces fluid leakage and heat buildup. The Power Rib technology further increases the seal efficiency which improves the conversion of pressure to torque and power. Delivering an increased rate of penetration at a consistent RPM, the HEMIDRIL is ideally suited for challenging drilling environments including high temperatures and invert mud systems. Features: • Even wall design • Flexible multi-body construction • Power Rib technology • Available with Sealed or Mud-Lubricated Bearing Assembly Benefits: • Higher torque and power output – increased RPM • Consistent RPM and directional control – well suited for use with rotary steerable systems • Increases rate of penetration and drilling efficiency • Withstands aggressive drilling applications and conditions • Extends drilling distances Table 2: Available HEMIDRIL® Sizes Size Stages Type 5/6 3.5 HEMIDRIL 5” 4/5 6.3 HEMIDRIL 5” 7/8 3.8 HEMIDRIL 6-1/4” 7/8 2.9 HEMIDRIL 6-1/4” 7/8 4.8 HEMIDRIL 6-7/8” 7/8 2.9 HEMIDRIL 6-7/8” 7/8 3.0 HEMIDRIL 6-7/8” 7/8 5.0 HEMIDRIL 8” 7/8 4.0 HEMIDRIL 9-5/8” 7/8 4.8 HEMIDRIL 11-1/4” 12 Lobes 2-7/8” 7/8 4.8 HEMIDRIL
  • 20. Motor Technology PowerPLUS™ Drilling Motor (PowerPLUS™-ST3, PowerPLUS™-ML3, PowerPLUS™-SR3, PowerPLUS™-ST2H) The PowerPLUS™ Drilling Motor features an advanced elastomer power section delivering increased torque output capacity, power, and efficiency. The increased mechanical properties of the power section elastomer provide the ability to drill through tough formations with high reliability. Delivering increased rate of penetration at a consistent RPM, the PowerPLUS Drilling Motor is suited for all drilling applications where increased torque is desired, or when increased reliability over standard elastomer is needed. Features: • Advanced elastomer stator • Available with any bearing assembly option Benefits: • Capable of 50% higher torque and power output • Increases rate of penetration (ROP) and drilling efficiency All sizes available: 3 1/2” to 11 1/4” Vector™ Drilling Motor (Vector™-ST3, Vector™-ML3, Vector™-SR3, Vector™-ST2, Vector™-ST1) The Vector Drilling Motor is considered a standard within the industry and is the motor of choice for conventional drilling applications. The motor is available in an array of power section configurations that deliver the desired speeds and torque. Furthermore, it is configured with an adjustable or fixed housing and an oil or mud lubricated bearing assembly. The Vector Drilling Motor is readily available and cost effective. It is a reliable tool that has a minimum number of components and is simple and efficient to service. Features: • Wide range of speeds and torques • Adjustable or fixed housing option • Available with Oil Sealed or Mud-Lubricated bearing assembly • Stabilization option Benefits: • Reliable and consistent performance • Increases ROP and drilling efficiency • Adaptable to a variety of drilling environments • Cost effective – simple to maintain and service Standard Sizes: 3 1/2” to 11 1/4” 13
  • 21. Motor Handbook, 7th Edition CT HEMIDRIL® Motor (HEMIDRIL®-CT3) The HEMIDRIL® Coiled Tubing motor has been developed to meet industry demand for aggressive, high torque, low speed requirements. This powerful motor features even wall technology which is the highest torque and power-output class of power sections available to the market. The HEMIDRIL power section has a steel supported core with flexible multibody construction, even elastomer thickness, and Power Rib technology. These features combine to deliver increased torque, power, and efficiency that are required in today’s aggressive environments. Features: • HEMIDRIL power section provides up to 75% higher drilling torque than traditional power section • Power Rib technology further increases sealing efficiency and therefore improves the conversion of pressure to torque and power • Steel supported core allows for increased differential pressure across each stage over the length of the power section • Titanium flexshaft w/ straight housing Benefits: • Experiences less swell, so rubber last longer… increased reliability • Constant elastomer thickness reduces fluid leakage and heat build up • Sealed bearing assembly – best choice for air/nitrogen 2 7/8” 5/6 3.5 Stage configuration available CT PowerPLUS™ Motor (PowerPLUS™-CT3) The PowerPLUS™ Coiled Tubing motor utilizes the high performance PowerPLUS elastomer that delivers 50% more power and torque over standard NBR elastomer power sections. PowerPLUS has proven to perform remarkably in both water based fluids and nitrogen making it an ideal power section for CT milling operations. Features: • High performance PowerPLUS elastomer • 50% more power & torque than conventional CT power section Benefits: • Improved CT milling/drilling performance • Increased milling speed • Excellent performance in water based fluids and nitrogen • Less stress on coiled tubing • Reduced operational cost Standard Sizes: 1 11/16” to 3 1/8” 14
  • 22. Motor Technology Coiled Tubing Motor (Vector™-CT1) Designed specifically for coiled tubing and slim hole applications, the Coiled Tubing Motor provides all the benefits of the Performance Drilling Motor. This motor is used with coil tubing units for continuous drilling and workover applications such as vertical deepening, milling, de-scaling or dewaxing of production tubing, windows, and cement plugs. Features: • Small diameter applications • Wide range of speeds and torques • Smooth outer diameter – Slick Benefits: • Coiled Tubing and Slim Hole applications • Consistent performance • Cost effective and simple to maintain Standard Sizes: 1 11/16” to 3 1/8” Power Section Elastomers Standard NBR (Monoflo® Reference code: RR) • Commonly known as Nitrile, Buna Nitrile • Most widely used elastomer in oilfield applications because of general chemical compatibility and good mechanical properties HNBR (Monoflo® Reference code: OC) • Commonly known as Hydrogenated Nitrile, HSN • Hydrogenation process offers better resistance to oils and high temperatures PowerPLUS™ (Monoflo® Reference code: PRR) • High performance version of standard NBR • Rated for 50% higher differential pressure than standard NBR, providing 50% higher torque output capacity See Power Section Fits on page 33 for more information. 15
  • 23. Motor Handbook, 7th Edition Other NOV Technologies BlackBox® Data Recorder BlackBox® analysis is a full downhole dynamics analysis service which combines multiple and flexible positions of measurement combined with high frequency data capture to provide a full picture of the downhole dynamic conditions. Through in-depth analysis and expert interpretation of both downhole and surface data, effective vibration mitigation and reduction techniques can be identified leading to increased drilling efficiency. BlackBox Data Recorders provide: • Downhole Temperature • Maximum Lateral Accelerations • RMS Lateral Accelerations • Torsional Vibration Indicator (TVI) • Downhole RPM Features: • No non-magnetic requirements • One-piece with self contained power supply • No interference with other electronic devices • Compact, flexible reliable design • High frequency data capture rate Benefits: • Can be run below motors – Gives true bit dynamics capture • Can be run in its own sub or fitted in existing drillstring components (See BlackBox® Top Sub and Bearing Mandrel on page 9) • Can use multiple recorders at various places in the BHA • Enables complete system dynamics analysis VibraSCOPE™ Dynamic Analysis VibraSCOPE™ is a drillstring dynamics modeling software that enables prewell analysis of the BHA and drillstring. It utilizes finite element analysis to model the dynamics of the entire string from bit to the rig floor. It predicts parameters that initiate vibration and high impact loading that can lead to premature bit and/or downhole tool failures, identifying combinations of conditions and parameters that are most likely to results in vibration modes while drilling. The proprietary software delivers a recommended set of drilling parameters, based on a proven scientific approach that minimizes risk of vibration. 16
  • 24. SECTION II: MOTOR OPERATING DATA 17
  • 25. Operation 4. Applications The following information aids in selection of the proper motor for an application. First, the intended application must be known, whether it is Vertical Drilling, Directional/Horizontal Drilling, Performance Drilling, Milling, Coiled Tubing, Coring, Borehole Enlargement, or other. • Hole Size Used to determine motor size. Sufficient space between the hole ID and motor OD must be left to allow fishing using common catch tools. NOV Downhole offers a full range of overshots for fishing applications. Note: Motor sizes are nominal sizes – there may be upsets on the OD that are larger or grooves that are smaller than the nominal motor size. • Bit Type Used to determine power section configuration and motor setup. Aggressive bits typically require more torque output. Diamond impregnated and milling bits typically perform best at high speeds. Bicenter bits typically require no motor upsets or stabilizers until 30 ft / 10 m above the bit, for passing through casing. • Desired Bit Speed Used to determine power section configuration. Bit speed is the sum of the Motor output speed and the top drive/rotary table rotary speed. The rotary speed must be subtracted from the desired bit speed to obtain the desired motor output speed. Alternatively, this choice is often based on a need for a configuration “faster than” or “slower than” a configuration that was previously used in that application. • Desired Output Torque Used to determine power section configuration. The motor must generate sufficient torque to keep the bit turning under the highest anticipated WOB for the application. Generally roller cone bits require less output torque than PDC bits, but more WOB is applied to roller cone bits. Aggressive bits typically require more torque output. Alternatively, this choice is often based on a need for a configuration “stronger than” a configuration that was previously used in that application. • Mud Type Used to determine the power section fit, stator elastomer, coating on the rotor, and possibly the type of bearing assembly used – sealed or mud lubricated. See Drilling Fluids section on page 34. Air drilling applications benefit from the use of a slower speed power section, typically with looser fits to extend the life of the elastomer. • Expected Bottom Hole Temperature – Static Used to determine power section fit. The elastomeric liner of the stator swells as the temperature increases, which tightens the fit between the rotor and stator. As the fit tightens, the possibility of chunking increases. Conversely, a loose fit intended for higher temperatures will be prone to stalling if used in a cooler hole. Note: if the BHT varies by more than 40°F (20°C) over the course of the motor run planned, provide starting and finish temperatures. • Mud Weight, Solids and Sand content Higher mud weights and abrasive solids/sand content are abrasive to motor components. In these applications, mud-lubricated bearing assemblies and tungsten carbide coated rotors may be preferable. 19
  • 26. Motor Handbook, 7th Edition • Mud Chlorides Level High levels of chlorides in mud system can significantly limit motor life, by causing corrosion of the rotor or weakening of the bond between the stator elastomer and stator tube. (See The Effects of Chlorides on Power Sections on page 37.) An alternative coating on the rotor, such as tungsten carbide, would be beneficial in these situations, to prevent corrosion. • Flow Rate Range Used to determine power section configuration and possible need for bypass nozzle. Flow rates higher than the Max Flow Rate specification for the power section will cause accelerated deterioration of the stator elastomer liner, and may cause excessive washing of the internal motor components. A rotor bored for bypass flow may be required, to bypass the extra flow. • Desired Build Rate Used to determine bend angle recommendation. Each power section has a chart of “Predicted Build Rates” with the latest available series of sealed bearing assembly in SECTION IV: MOTOR PERFORMANCE DATA. • Stabilization Choose either of: True Slick, Slick with Thread Protector, Straight Blade stabilizer, Spiral Blade stabilizer, Integral Blade stabilizer, or Offset Pad stabilizer. Stabilizers will affect the Predicted Build Rate in a directional application, and will also reduce lateral vibrations and improve hole quality in many applications. • Top Sub / Dump Sub options Various top connection options are available. Float bore is optional, with two or more float bore choices in some motor sizes. • Catch Stem Optional accessory, included as a standard feature in most regions. • Bit Box options Certain motor sizes have various bit box thread options, including pin threads (known as pin-down mandrels) which are typically used for running other tools below the motor, such as Rotary Steerable tools. • Other Tools Run Below Motor Certain tools run below the motor benefit from the use of no-bypass motor bearing assemblies (e.g. ST3 and SR3 motors), to ensure all flow goes to the tool below the motor, without any loss of flow or pressure. Performance Drilling NOV motors have been used successfully with higher output power sections for straight hole performance drilling. These power sections have more stages and consequently, provide more uniform torque output since the pressure per stage required to produce a given torque is less. The result is optimum rates of penetration. The slow speed PowerPLUS™ and HEMIDRIL® motors are most commonly used for these applications, as they allow higher WOB to be applied, to increase rates of penetration while maintaining reliability. For vertical drilling through formations with high dip angles, which tend to push the motor away from vertical, NOV offers stabilized motor products to improve performance in vertical drilling applications. See Vector™ Drilling Motor under Section 3: Motor Technology on page 13 for more information. 20
  • 27. Operation Directional Drilling Most NOV motors are used with adjustable housings to provide a method of drilling directionally downhole. The desired angle is set in the adjustable housing sufficient to alter hole course with the drillstring not rotating and the tool face oriented. Charts showing Predicted Build Rates are shown for each configuration in SECTION IV: MOTOR PERFORMANCE DATA. When the drillstring is rotated with the motor operating, the system drills straight ahead. Refer to SECTION IV: MOTOR PERFORMANCE DATA for the “Maximum Adjustable Bend Setting For Rotary Drilling”. Note: NOV recommends a maximum bend setting of 1.83° for rotary drilling. NOV adjustable housings are easily adjustable on the rig floor. (See Section 7 for Adjustable Assembly Operating Instructions.) Adjustable assemblies are available in the following bend settings depending on motor size: • 0° to 2° in 12 increments • 0° to 2.38° in 8 increments • 0° to 3° in 12 increments • 0° to 4° in 18 increments The NOV adjustable housing eliminates the need to select a bent housing angle before a motor can be assembled and shipped. NOV motors contain a screw-on stabilizer thread on the lower bearing assembly to enable the motor to be run slick with the NOV adjustable housing, or with field installable stabilization as required. Review of NOV customer requests over the past few years showed that motors are used at bend settings of 2.38° or less in 96% of applications. This led to the development of NOV’s newest adjustable assembly, which has a maximum bend setting of 2.38° in 8 increments. The benefit is that a significantly larger diameter driveshaft can be used within this assembly, greatly increasing its torque capacity. NOV Downhole concentrates on the ongoing development of improved motors and accessories to compliment the overall steerable system. Air or 2-Phase Drilling The NOV motors may often be used for drilling with air or two-phase drilling fluids as the circulating medium. Two-phase drilling fluids can be defined as follows: • Mist: occurs when the liquid fraction is less than 2.5% at downhole conditions. In this case the liquid stays as droplets within the gas. • Foam: occurs when the liquid fraction is between 2.5% and 25% at downhole conditions. Foams are typically specified as “% foam quality”. Foam quality is the volume fraction of the gas (i.e. 75% foam quality is 75% gas and 25% liquid, by volume). • Aerated mud: occurs when the liquid fraction is greater than 25% at downhole conditions. In this case the gas stays as bubbles within the liquid. Since there are large volumes of oxygen present in air drilling, corrosion of the drillstring can be a concern. Passivating (oxidizing) inhibitors should be used to minimize this corrosion. Selection / Setup Sealed Bearing motors are generally preferable to Mud Lubricated motors, as air does not conduct heat as well as liquid (mud), so the bearings in the Mud Lubricated motor are prone to lock-up due to over-heating. This may not be an issue in aerated muds. 21
  • 28. Motor Handbook, 7th Edition The critical issue with using a motor in an air or two-phase drilling application is minimizing the temperature generated within the stator elastomer liner. This can be accomplished as follows: • Run stators with a looser power section fit than would be run in a similar hole temperature with drilling mud. • Use the lowest foam quality possible (i.e. the highest amount of liquid). • Minimize the RPM • Minimize times with no circulation All of the above, in addition to the downhole temperature, interact to determine the life of the stator. Failure of the stator elastomer liner is accelerated by internal heat build-up. As the liner heats up, it expands, causing an increase in the interference fit that in turn causes more friction and further heat build-up. Hard spots then develop in the liner and eventually chunking occurs. The problem is further compounded by the poor thermal conductivity of air compared to a drilling mud. There are rotors and stators available that are designed specifically for air or two-phase drilling. These accommodate high flow rates and run at lower pressure drops and should be selected if available. Please contact NOV Downhole for availability and application of these power sections. When air drilling power sections are not available, use the slowest available power sections that have the same target flow rate. Ideally, use high performance power sections (more stages) because the differential pressure per stage required to produce a given torque is less. This lower differential pressure will be less damaging to the stator elastomer liner. Although the motor will produce the same torque at a given differential pressure when using air, the maximum obtainable differential pressure will be less due to the extra slippage that occurs with a gas. Consequently, the maximum obtainable torque (and stall torque) will be lower. A top sub should be used above the power section rather than the dump sub because airflow will not cause the dump sub to close. Alternatively the dump sub ports can be blanked off. Use a stabilized motor to reduce vibrations if possible – air does not provide as much vibration dampening as drilling mud. While drilling with air or two-phase fluid, the fluid density in the annulus may be higher than in the bore due to the cuttings in the annulus. When a connection is being made, the reduced pressure in the bore can result in cuttings entering the bore. This can damage the motor or plug the bit. A float valve should therefore be used when drilling with air or two-phase fluids to prevent this. A small hole is sometimes drilled in the flapper to allow pressure to equalize if the drillstring does become plugged between the float valve and the bit. Pressures The pressure at the outlet of the motor (i.e. the motor exit pressure) has a pronounced effect on the response of the motor. The motor exit pressure is the sum of the hydrostatic pressure and the bit pressure drop. This is the pressure that determines the volume flow rate through the motor. As the motor exit pressure increases, the motor becomes less susceptible to runaway and acts more like a motor running on liquid only. Temperature The 7/8 2.0 power section configurations are designed specifically for Air Drilling, as they have a longer lead length and looser fit. The standard fit in this configuration can be used in static bottom hole temperature up to 220°F (104°C). 22
  • 29. Operation Volume Requirements In a standard air drilling application, the required air flow rate (in SCFM) for proper motor operation is typically three to four times the maximum motor liquid flow rate (in GPM). This rule applies for motor exit pressures up to approximately 300 psi. As the motor exit pressure increases, the airflow rate required to achieve the same motor operating speed (rpm) also increases. This is common in some under-balanced applications. In these cases, the required air flow rate increases. Consult NOV Downhole engineering in these cases. If higher flow rates are desired, the rotor can be fitted with a nozzle to bypass a portion of the flow. However, the motor becomes even more sensitive to stall if the rotor bypass is used. Fluid / Lubricant Requirements A lubricant is required to lubricate the stator elastomer liner. Soap or gel thoroughly mixed with water and injected at an approximate rate of 5% by volume at downhole conditions is adequate for most applications. In formations that could swell and be damaged by water, vegetable based oil is used to lubricate the power section. This is referred to as ‘dusting’ a well. Typically, the flow rate for this case is very low – only 1 to 2 gallons of oil per hour – to avoid making the formation wet and prevent getting stuck. Other drilling conditions may dictate a higher flow rate (i.e. avoiding formation of mud rings). Drilling with Nitrogen (N2) Air itself consists of approximately 78% nitrogen. The density of nitrogen is approximately 3% less than that of air at standard temperature and pressure. Functionally, the motors will run the same on nitrogen as air. However, the explosive decompression, as discussed below, is more severe with nitrogen. Since nitrogen is an inert gas, the Nitrile sealing components within the motor, including the stator, are not affected chemically by nitrogen. However, any sealing compound will absorb nitrogen (as well as other gases) to some extent while under pressure. If the pressure has been applied long enough and the pressure is released too quickly, the gas does not have sufficient time to be expelled from the Nitrile and explosive decompression can occur, resulting in blistering. This is typically not a problem with continuous pressure drops across the motor of 400 psi (2,800 kPa) and less. After drilling for extended periods with nitrogen, stator damage can be expected. For more detailed recommendations, consult an NOV Downhole representative. Operation In general, a motor driven by air, mist, or foam should be started while on bottom. It should not be allowed to run freely before tagging bottom because this can cause high shock loads as the bit tags bottom which may damage the motor. Ideally, the motor should be started with fluid first. A motor is much more torque sensitive when using air, mists, or foams, than with liquids and consequently is more susceptible to stalling. When drilling operations are to be stopped, let the motor drill off as the compressors and boosters are being shut down. Picking up “off bottom” prior to equalizing the pressure can permit the air compressed in the drillstring to expand, which would lead to excessive motor speeds and possibly damaging the motor. It can also cause the internal connections to back off. 23
  • 30. Motor Handbook, 7th Edition Performance Curves The performance of a mud motor when run in an air drilling application is not as consistent across temperature and pressure ranges as when run with drilling mud due to the compressibility of the air. NOV Downhole Engineering can provide an air drilling performance chart if the following information is provided: • Downhole pressure • Downhole temperature • Anticipated power section differential pressure • Flow rate planned (scfm / m3/s) • Foam quality – percentage of air to liquid (approx) • Outdoor temperature at rig Milling NOV low speed motors provide the high torque required for milling and cutting with tungsten carbide dressed mills and cutter blades. This is an alternative to rotating the drillstring, especially in deep deviated holes where milling can be slow and can cause extensive drillstring and casing wear. Applications include packer milling, drilling cement plugs, casing cutting and junk milling. Coring NOV high torque, low speed motors are ideally suited to coring operations. The motor provides increased penetration rates at lower bit weights achieving better core recovery rates. Lower drillstring and casing wear is experienced, particularly in high angle holes. As a rule no more than 30 feet (9 m) of core barrel should be run at a time. Rat holes, Mouseholes and Spudding NOV motors have applications for drilling rat holes, mouseholes, and spudding. The motor is either made up to the kelly, or made up with two drill collars and a circulating head above it, to add weight and accomplish the tasks faster. The reactive torque of the motor is restrained with the rig tongs. Workover NOV offers 1 11/16” to 4 3/4” diameter workover motors for cost-effective use in severe workover applications inside production tubing strings, for use with coiled tubing units. 24
  • 31. Operation 5. Operation Run Preparation & Rig Site Testing NOV motors are shipped from the service facility with all components inspected, all new seals and oil (in sealed bearing motors), and all tool connections made up to the proper torque. Motor dynamometer testing is also available at select service facilities. Motors are shipped with the rotor bore plugged unless otherwise specified. All motors are shipped with a protector covering the screw-on stabilizer thread unless a screw-on stabilizer is ordered. When ordered in advance, the screw-on stabilizer is installed at the service center before shipment. If a dump sub is used with the motor, the following check is recommended before running into the hole: • Set the motor in the slips and install a safety clamp. Remove the lift sub and make up the Kelly/top drive. Remove the safety clamp and slips and lower the motor until the dump sub is below the drilling nipple, but visible. • Start the rig pumps slowly; fluid should flow out of the dump sub ports. • Increase the pump rate slowly until the dump sub closes. Leave the pumps running and make note of the circulation rate and stand pipe pressure when the dump sub closes. With the pump running and the dump sub closed, check to ensure that there is no drill fluid leakage through the ports. It is advisable to increase the pump speed in two or three steps, to the maximum circulation rate expected downhole, and note the circulation rate and standpipe pressure in each case. • Shut down the pump. The dump sub may not open due to a pressure lock in the short hydraulic test circuit. If this occurs, bleed off the pressure to permit the dump sub to open. • Make up the drill bit to the proper torque with a bit breaker and the rig tong placed on the output shaft directly above the bit. Do not put rig tongs on the sealed bearing assembly housings. Inspect the output shaft seal area for any indication of an oil leak. NOV motors are shipped from the service center with the adjustable housing set at zero degrees, unless otherwise requested. To set the adjustable housing to a different angle, refer to Section 7 Adjustable Assembly Operating Instructions on page 49. Running In The drillstring with a straight NOV motor installed can be run into the hole normally. When using a bent sub, or a non-zero angle in the adjustable housing, be careful passing the motor through the blowout preventers, casing shoes, liner hangers, ledges, or key seats to ensure that the motor or drill bit does not hang up. Do not run into bottom, or “bottom fill”, as it could plug the bit or damage the motor. 25
  • 32. Motor Handbook, 7th Edition Warming a Motor for High BHT When running into a hot hole, it is important to gradually warm the motor during its descent. 1. Run in hole and stop at the depth where the expected downhole temperatures are in the range of 240°F to 260°F (115°C to 125°C). 2. and pump drilling fluid to cool the motor. Stop 3. Pump for about three minutes every 400-500ft until you reach bottom. 4. bottom start at around half the de-rated pressure and work up to At the max de-rated pressure over thirty minutes. Refer to the NOV Downhole Temperature Max Pressure De-rating guidelines on page 39 to determine max de-rated pressure. Note: Avoid long periods without circulation if possible. Warming a Motor in Cold Climates Warming up a motor in colder climates may be completed to aid in the makeup of connections to the drill string and bit, and is recommended for increasing reliability of the motor. When performing this process using steam, the motor should be evenly heated to the point it is warm to touch. One option is to run the motor down into the BOP and put the steam hose down in the BOP next to it, and leave it for 10-15 minutes to warm up. Spot heating or heating the motor until it is too hot to touch can cause damage to seals, the stator elastomer, or other components. Circulation should be started slowly and increased gradually to avoid damaging the cold elastomeric liner. Starting the Motor Begin circulating “off bottom” with the bit turning freely. Perform circulation and pressure tests at the same circulation rates as the surface test, and note the readings. The pressure will be higher due to the restrictions of the drillstring components added. The “off bottom” pressures noted may be higher than calculated. This is caused by bit drag on the side of the hole due to the bent sub, adjustable housing angle, and stabilization. Drilling After a short hole-cleaning circulation period, slowly lower the bit to bottom. When bottom is tagged, the standpipe pressure gauge will show an immediate increase. Increase the bit weight slowly to achieve the desired build up rate and/or rate of penetration. Do not exceed the recommended maximum differential pressure across the motor. The “off bottom” pressure is the total system pressure (read on the stand pipe gauge), from the standpipe, through the drillstring, the annulus, and back to the drilling nipple, while circulating with the bit “off bottom” (i.e. zero weight on bit). Periodically recheck the “off bottom” pressure. The standpipe pressure will slowly increase after hole cleaning due to the hydraulic energy required to lift the cuttings. The torque applied to the bit while “on bottom” is directly proportional to the difference between the “on bottom” and “off bottom” pressures (i.e. there are no friction losses through the rotating drillstring). An increase in the weight on bit produces an increase in torque. As the bit drills off, the weight on bit decreases and correspondingly the pressure and torque decrease. The standpipe pressure gauge can therefore be used as a torque indicator. 26
  • 33. Operation The range of NOV motors permits selection of the correct motor to provide the optimum combination of bit speed, bit torque, and circulation rate for maximum rates of penetration. When the drilling conditions permit, the rotary can be engaged. Running into bottom can damage thrust bearings, and excessive overpull on a stuck bit can damage “off bottom” bearings in the sealed bearing assembly. NOV motors are designed for extended intervals of “on bottom” drilling. Sealed bearing motors should be serviced after 150 operating hours, in standard drilling conditions. Drilling conditions other than standard, such as high WOB, high solids/sand content, corrosive drilling fluids or rotating with high bend settings will reduce this interval accordingly. Reactive Torque The drill bit attached to the mud motor at the bit box turns in a right hand, or clockwise direction, if viewed from the drill floor. There is a reactive, counterclockwise (or left-hand) torque produced as a result of the torque applied to the bit. This counterclockwise torque must be considered when establishing tool face orientation and can be calculated by relating the difference between “off bottom” free spinning pressure; and actual “on bottom” operating pressure. An estimate of the angle of twist of the drillstring can be performed as follows: 1. Measure and record standpipe pressure “on bottom” with the desired bit weight and circulation rate and “off bottom” with the same circulation rate. 2. the Motor Specifications and Performance Sheets, obtain the From torque corresponding to the difference between the “on bottom” and “off bottom” pressures. 3. The torsional angle can be determined by multiplying the above torque, the length of drillpipe in the hole and the angle values from the table below. Values are based on torsional deflection of drillpipe. Angle of Twist= Reactive Torque × DP Length × Angle Value Table 3: Torsional Deflection Angle Values for Drillpipe Drillpipe Torsional Angle Values US Metric 8.0° / 100 lb-ft / 1000 ft 19.3° / 100 N-m / 1000 m 3 1/2” – 15.5 lb/ft 7.0° / 100 lb-ft / 1000 ft 17.0° / 100 N-m / 1000 m 4 1/2” – 16.6 lb/ft 3.7° / 100 lb-ft / 1000 ft 9.0° / 100 N-m / 1000 m 5” – 19.5 lb/ft 2.5° / 100 lb-ft / 1000 ft 6.1° / 100 N-m / 1000 m 3 1/2” – 13.3 lb/ft Directional drillers can get an indication of the reactive torque from the measurement while drilling (MWD) equipment and can adjust and lock the rotary table in order to accommodate the desired tool face direction. In most applications the use of measurement while drilling or steering tools to provide real time surface readout of azimuth, inclination and tool face is much more reliable than the single shot method of orienting. 27
  • 34. Motor Handbook, 7th Edition Stalling If too much WOB is applied, the torque required to keep the bit turning creates a higher differential pressure than the seal between the rotor and stator elastomer can maintain. The drilling fluid breaks the seal and leaks through the power section without turning the rotor, so bit ceases rotation, or ‘stalls’. An increase in standpipe pressure will occur and penetration will cease. As the fluid leaks past, it erodes the elastomeric liner, which makes further stalling more likely and damages the liner, eventually leading to chunking. Also, stalling generates large pressure pulses, creating torque spikes that can cause chunking, connection back-off, or fracture of driveline components. Motor stall should be avoided, but when it occurs, it should be quickly remedied. If the bit is picked up off-bottom while drilling, the “trapped” torque within the drillstring will be released uncontrollably, potentially causing damage to down-hole components or causing connections to back-off. This is especially true when a stall has occurred. If a stall condition occurs the following procedure should be followed as soon as possible: 1. Stop rotation of the drillstring immediately 2. Shut down the pumps if possible; if not, slow down the pumps as much as possible 3. Release trapped torque slowly using the rotary table brake. 4. Lift the bit off bottom Over-Running the Bit Rotating the drillstring with any positive displacement motor in a stalled condition may cause the upper portion of the motor (and drillstring) to over-run the bit. This condition can damage the stator elastomer liner and cause connection back-offs within the motor. Vibration Although BHA and motor component fatigue can occur over an extended period, NOV analysis has confirmed that many motor fractures occur as the result of vibration induced fatigue over a single run. As such, it is important to mitigate vibration in order to avoid related downhole motor failures and unscheduled downtime or costly fishing trips. There are 3 modes of vibration that can occur when drilling. • Torsional Vibration – Stick Slip • Lateral Vibration – Bit and BHA Whirl • Axial vibration – Bit Bounce Figure 5: Downhole Vibration Modes 28
  • 35. Operation In excessive quantity, these vibrations can considerably reduce drilling performance and in extreme cases, can cause significant damage to the bit, motor and other downhole components. There is a complex combination of factors that can have an effect on downhole vibration. NOV provides tools such as the BlackBox® Dynamic Data Recorder, MWD systems, and VibraSCOPE™ Drillstring Dynamics Modeling to help reduce vibration by optimizing the drilling system. Torsional Vibration (Stick Slip) Torsional vibration is the cyclical rotational acceleration and deceleration of the bit, BHA, or drill string. If the torsional vibration is severe, stick slip can occur. Stick slip is the momentary stop in rotation of the bit or BHA that can cause the drill string to instantly torque up then release, accelerating the BHA to dangerously high speeds (often 2-3 times rotary speed, but can go as high as 15 times). This is also known as microstalling. Heat checking on the bit is usually an indication that stick slip has occurred. Torsional vibration and stick slip may occur downhole even when a constant RPM is input at the surface. Causes • Incorrect bit selection – overly aggressive PDC bit • Improper BHA stabilization – Undersize stabilizers • Excessive bend in mud motors • Tortuous hole geometries, high dogleg angles • High WOB with low RPM • Insufficient mass of drill collars • Insufficient stiffness in DP and BHA • Poor drilling practices • Lack of lubrication in drilling mud • Lithology – interbedded formations, formation interfaces, hard and/or abrasive stringers, formations with high friction coefficients. • Reaming/back-reaming, hole opening, drilling out casing, control drilling Symptoms • Large & erratic surface RPM & torque fluctuations, especially noticeable on a top drive • BHA/Rotary table stalling • Whirring sound from top drive • Cutter/insert damage; bit/stabilizers wearing undergauge • Shoulder damage to bits with heat checking, dull characteristics. Nose ringout on larger diameter bits • Poor hole cleaning; under-gauge or washed out hole • Shocks/vibrations measurements from MWD and BlackBox® • Connection fatigue cracks; fractures of BHA components; connection back-off • Fractured or cracked motor drive line components such as bearing mandrels, driveshafts or driveshaft adapters • Thrust bearing cage damage (cage bar deformation or fractures) • Excessive drive assembly wear at articulating engagement points 29
  • 36. Motor Handbook, 7th Edition Solutions • Reduce WOB and increase RPM • Increase weight and stiffness of BHA (Inclination <60°) • Select NOV PDC bit that includes Torque Control Components (TCC). The TCCs control the depth of cut and help prevent torsional vibration • Run a VibraSCOPE™ of the BHA and identify stable RPMs • Measure torsional vibration with the BlackBox® recorder and calculate optimum RPM ranges for each formation • Increase the diameter of the drill pipe to allow for more efficient torque transfer to the bit and BHA • Improve the tortuosity of the borehole by minimizing the motor bend setting and sliding over longer intervals • Use stabilization or roller reamers to improve borehole quality • Improve the lubrication qualities of the drilling fluid Lateral Vibration (Bit/BHA Whirl) Lateral vibration is caused by the high bending stresses in the BHA and drillstring resulting in the assembly impacting on the borehole wall. Lateral vibration can be extremely damaging to all drillstring components and result in energy being removed from the system that would otherwise be used to drill ahead. High lateral vibration will result in a reduction in penetration rate and premature bit and BHA failure including motor housing fractures. Causes • Harmonic resonance of drill string • Excessive RPM; Stick slip • High tortuosity of the wellbore • Formations with high coefficients of friction and restitution • Lack of BHA stabilization • Incorrect parameter selection • Excessively heavy BHA in a high angle hole • Low WOB with high RPM • Lack of lubrication in mud • Reaming/back-reaming, hole opening, drilling out of casing • Incorrect bit selection Symptoms • Poor penetration rates and higher MSE than expected for that formation • Damage to the bit is probably in the shoulder or randomly scattered across the body. Dull characteristics will be chipped and broken or missing cutters. • Sensitive electronic tools may be damaged or destroyed • Connection fatigue cracks or fractures on BHA components • Real-time lateral vibration data from various MWD tools • Rotary torque fluctuations • Rapid eccentric (during forward whirl) or concentric (during backward whirl) BHA component OD wear 30
  • 37. Operation Solutions • Pick up off bottom and hold string stationary until all energy is released (typically a couple minutes). Go back on bottom with reduced RPM and higher WOB. • Increase WOB and reduce RPM and try to confirm with downhole measurements. • Run a VibraSCOPE™ of the BHA and identify stable RPM • Measure lateral vibration with the BlackBox® tool and calculate optimum RPM/WOB ranges for each formation. • Increase the diameter of the drill pipe to allow for more efficient torque and weight transfer to the bit and BHA • Improve the tortuosity of the borehole by minimizing the motor bend setting and sliding over longer intervals • Improve the lubrication qualities of the drilling fluid • Use stabilization or roller reamers to improve borehole quality • Rotate the drill string at a Lower RPM and higher WOB • Bit selection to include lateral mitigation features include design with high Lateral Stability Index (LSI) and SteeringWheel® Gauge technology Axial Vibration (Bit Bounce) Axial vibration is caused by a cyclical loading and unloading of the bit and the BHA in the axial direction. It is also often referred to as “bit bounce”; however be very clear that it rarely results in the bit leaving the bottom of the hole. It normally results in a rapid cyclical movement of the neutral point in the BHA that causes the WOB to rapidly increase and decrease. Extreme torsional vibration can also contribute to axial vibration resulting in the cyclical shortening and lengthening of the drill string. Axial vibration is normally associated with (but not limited) drilling with large diameter roller cone bits in hard formations. Causes • Axial harmonic resonance of drill string. • Excessive RPM • Hard formations with high compressive strengths. (Hard sandstones, hard limestones, quartzites, conglomerates & igneous rocks, etc.) • Incorrect parameter selection. Parameter selected gives the BHA a propensity to go into axial harmonic resonance • Drilling with large diameter roller cone bits • Excessive WOB with high RPM Symptoms • Large WOB fluctuations (shaking hoisting equipment) • Poor penetration rates and higher MSE than expected for that formation • Damage to the bit demonstrates impact damage characteristics, broken cutters on all cones particularly the outer rows. Internal inspection of bearings may find Brinell marks. • Run NOV Downhole BlackBox® HD tool and measure axial accelerations in the drill bit. • Real-time axial vibration data from various MWD tools • Damaged BHA components • Sensitive electronic tools may be damaged or destroyed 31
  • 38. Motor Handbook, 7th Edition Solutions • Change RPM and WOB combinations to try and get a stable drilling situation and the MWD axial sensor informs you that the vibration has gone away. • Run a VibraSCOPE™ of the BHA and identify stable RPM zones with a low risk of axial vibration. • Measure axial vibration with the BlackBox® HD tool and calculate optimum RPM/WOB ranges for each formation drilled. • Change drill bit from Roller Cone to PDC. • Replace rotary BHA with a motor BHA that generates high ROPs with less WOB and higher RPM. Rotary RPM While rotating the drill string can provide benefits such as improved hole cleaning and reduced drag, rotating a bent motor creates high bending stresses in the motor housings, and can eventually lead to fatigue fracture. This risk grows as the hole curvature increases and higher bend settings are used. Each motor configuration shown in SECTION IV: MOTOR PERFORMANCE DATA displays a chart of “Maximum Adjustable Bend Settings for Rotary Drilling”. This chart shows the maximum bend setting, in degrees, for continuous rotation of the drill string at various hole curvatures. Note that the practice of alternating between rotating and sliding through a curve will create micro-doglegs that are higher than what may be shown on a survey report. These limits apply to ideal hole conditions with smooth drilling operations. Challenging conditions such as poor hole quality, hard formations, high WOB, vibration, stick-slip, and stalling, may necessitate further reduction in the bend setting used, to prevent motor housing fracture. Rotating the drillstring while subjected to bending loads produces fatigue loading on the motor. These bending loads can be produced even when using adjustable bend settings that are within the recommended values. Note: NOV recommends a maximum bend setting of 1.83° for rotary drilling. The maximum recommended drillstring rotational speed for NOV motors is 50 RPM. This 50 RPM limit helps extend the life of the tool by limiting fatigue cycles and helping to avoid excessive vibration and whirl. Rotary speed should be decreased as necessary based on local conditions. It may be feasible to exceed the 50 RPM limit if using an MWD system to monitor vibrations and collar RPM in real-time at the rig, so downhole vibrations can be mitigated. NOV can provide evaluation of critical RPM speeds for BHA configurations using our custom VibraSCOPE™ analysis program. Motor Pressure Drop Exceeding the maximum recommended differential pressure across the motor will reduce the stator life. Circulation rates exceeding the recommended values also reduce the rotor and stator life. To understand the conditions affecting the pressure drop across a power section, the following should be recognized: 32
  • 39. Operation • The pressure drops across the top/dump sub, adjustable assembly, driveshaft assembly and bearing mandrel of the bearing assembly are dependent on the circulation rate only (i.e. torque has no effect). This pressure drop increases as the circulation rate increases. This “no load” pressure drop across the motor at a specific flow rate is shown for each motor configuration in SECTION IV: MOTOR PERFORMANCE DATA • The pressure drop across the power section increases linearly as the torque increases, assuming a constant circulation rate. • The effect of mud weight alters the pressure drop across the motor at no load. However, it has a negligible effect on the pressure increase due to the torque “on bottom”. Bit Pressure Drop Continuous excessive pressure drops across the bit can cause early seal failure in sealed bearing motors. The bit pressure drop should be limited to 1,500 psi (10,000 kPa) for continuous drilling. The ‘ML3’ mud-lubricated motors, and ‘ST1’ and ‘ST2’ sealed bearing motors incorporate the use of flow restrictors, which bypass some amount of flow away from the bit. The percentage of flow that bypasses through the flow restrictors will vary between applications, as it is dependent on several factors: • Mud weight and viscosity • Bit pressure drop • Clearance between flow restrictors Note that other tools run below the motor which create additional pressure drop will effectively increase the “bit pressure drop” experienced by the motor, so will cause more flow to bypass through the flow restrictors. These pressures must be added together to obtain a total “bit pressure drop” to consider when calculating restrictor bypass flow. The ‘ML3’ mud-lubricated motors require a certain amount of flow through the bearings to provide lubrication. The amount of flow that passes through the bearings will depend on the bit pressure drop – bits run with a Total Flow Area (TFA) too large will not create sufficient back pressure to force the required flow through the bearings. The result can be seized bearings, from overheating due to lack of lubrication. Contact NOV Downhole for guidelines for maximum TFA to provide sufficient lubrication. Power Section Fits The power section elastomer may swell or shrink over the course of the job, depending on the mud type and downhole environment. This affects the fit between the rotor and stator in the power section, either making the fit tighter or looser. An ideal fit is essential to maximize elastomer life and to achieve optimum drilling performance from the power section. If the fit is too tight, excessive heat will build up in the elastomer due to friction which decreases elastomer strength and in extreme cases, lead to chunking of the elastomer. If the fit is too loose, excessive slippage (leaking across cavities in the power section) will result which leads to decreased RPM and torque at increased pressures. This is referred to as a weak motor. Fit is calculated using the following formula: Fit = (Rotor Major Diameter – Lobe Height) – Stator Minor Diameter 33
  • 40. Motor Handbook, 7th Edition LOBE HEIGHT R TO Ø RO JOR A M R MA OTO JO R R Ø ROTOR MAJOR Ø ROTOR MAJOR Ø - LOBE HEIGHT - LOBE HEIGHT STATOR MINOR DIAMETER Figure 6: Power Section Fit Typically, there is one rotor profile size for a given power section model and fit is adjusted with different stator elastomer profiles. There are 4 general categories of fits: • Undersize (US)… provides the tightest fit (most interference) • Standard (STD) • Oversize (OS) • Double Oversize (2xOS)… provides the loosest fit (most clearance) Factors that can affect fit for a power section are: • Type of Drilling Fluid – Oil Based Mud, Water Based mud, Air/gas (See Table 4: Basic Chemical Compatibility Chart on page 36.) • Elastomer Type – NBR, HNBR, PowerPLUS™ • Bottom Hole Temperature (See Downhole Temperature on page 39.) • Abrasive Mud – High solids or sharp particles in mud wear the elastomer causing a looser fit. HEMIDRIL even wall power sections are typically only required to have a Standard fit option. Because of the even thickness of the elastomer, significant deformation of the elastomer is less prominent making fits other than standard unnecessary. Drilling Fluids Proper use of drilling fluids (a.k.a. drilling muds) is an essential part of the overall drilling process. The main functions of a drilling fluid include: • Removing drilled cuttings from the borehole • Transmitting hydraulic pressure • Suspending cuttings and LCM when not drilling • Controlling formation pressures • Promoting wellbore stability • Cooling and lubricating bit and BHA • Preventing/limiting corrosion A large variety of additives are used to achieve these different functions plus have many other specific applications. While drilling fluids can vary greatly in purpose and composition, they typically fall into one of the following types: • Air/Gas (See Air or 2-Phase Drilling on page 21) • Water based mud (WBM) • Oil based mud (OBM) • Synthetic based mud (SBM) 34
  • 41. Operation Drilling fluids with a pH below 4 or above 10 can cause damage to the stator elastomer and seriously attack the plated components. Circulation through the rotor and stator can minimize this damage and should therefore be maintained when operating in drilling fluids close to the limits of this pH range. Allowing the drilling fluid to stagnate will aggravate the problem. The motor should be flushed and serviced as soon as possible – refer to Rig Site Maintenance on page 42. Drilling mud with a density of more than 16.7 PPG (2.00 kg/L) will cause abnormal erosion of motor internals due to suspended materials within the mud. Silicate mud is also known to be extremely abrasive. Well-mixed medium to fine lost circulation material (LCM) can be used without plugging or motor damage. If coarse lost circulation material is to be used, a circulating sub should be installed above the motor assembly to bypass the motor. A good rule of thumb is no more than 2 1/2 lbs (1.13 kg) of LCM per barrel. Abrasives in the drilling mud will reduce the life of the motor in several ways: • Erosion of the stator liner leading to more leakage and higher likelihood of stalling, • Erosion of the rotor coating leading to damage of the stator liner • Erosion of driveline components leading to component fracture • Seal damage in the bearing assembly leading to mud invasion and bearing seizure Generally, high gravity solids are not highly abrasive and are required for pressure control in the wellbore, and therefore NOV does not specify an upper limit for HGS. It is recommended that the content of potentially abrasive low gravity solids (LGS) be minimized (below 5% if possible) to extend the life of the mud motor. LGS contents of 7% or below for lower mud weights and to 6% or below for higher mud weights and higher temperatures are standard recommendations by NOV Fluids Services to extend the life of the mud pump liners. Rock types that are potentially abrasive are: Sandstone, Siltstone, Conglomerate, Chert, Granite, Tuff, and Gneiss. It is recommended that sand content be maintained at 1% or below. Run times may need to be shortened to avoid downhole motor failure if the above recommendations are not followed. Never try to cement through a motor as the motor and bit-jets shear the cement and the cement will immediately flash set. Oil Based Drilling Fluids The aniline point of an oil-based mud is an indication of its tendency to cause swelling of elastomeric parts (e.g. stator, seals), and is a measure of the oil’s aromatic content. The swelling tendency increases with a lower aniline point. The aniline point gives a measure of the solvent power of a petroleum product for aniline, which is related to its solvent power for many materials. This solubility increases with increasing temperature. Note that the aniline point may vary significantly between suppliers of the same product, for example, diesel. The lower the aniline point, the more readily the oil will permeate and swell the stator elastomer liner and reduce its hardness and strength. The swelling increases the interference between the rotor and stator and results in heat build-up that leads to rapid destruction of the stator elastomer liner. 35
  • 42. Motor Handbook, 7th Edition NOV has seen higher frequencies of stator chunking incidents when run in drilling mud with aniline point below 140°F (60°C). Elastomeric compounds seem to perform better in mineral based mud systems than in diesel oil based systems. Low toxicity oil base systems are easier on elastomers because they contain fewer aromatics. Also Nitrile elastomers with high acrylonitrile content (ACN≥39%) have a lower swelling in low aniline point fluids and therefore are the elastomers of choice in such applications (NOV’s Standard HNBR and PowerPLUS NBR elastomers meet this criteria). Power sections with larger clearances are available to minimize the effects of swelling. Table 4: Basic Chemical Compatibility Chart Elastomer Description (Monoflo® Elastomer Code) Standard NBR (RR) Continuous BHT Standard HNBR (OC) PowerPLUS NBR (PRR) HEMIDRIL (HD) Water Based Mud Below 220°F (Below 104°C) Preferred Std Fit 220°-280°F (104°-138°C) 280°-320°F (138°-160°C) Preferred OS Fit Preferred 2xOS Fit Continuous BHT Not Preferred Not Preferred Not Preferred Preferred Std Fit Preferred OS Fit Preferred 2xOS Fit Preferred Preferred Preferred Oil Based Mud Below 220°F (Below 104°C) 220°-280°F (104°-138°C) 280°-320°F (138°-160°C) Preferred Std Fit Preferred OS Fit Caution 2xOS Fit Acceptable Std Fit Acceptable OS Fit Preferred 2xOS Fit Preferred Std Fit Preferred OS Fit Caution 2xOS Fit Above 320°F (Above 160°C) Not Preferred Caution 2xOS Fit Not Preferred Preferred Preferred Preferred Caution OBM Run Practices Due to the varied molecular weights of hydrocarbons in many oil-based drilling fluid systems, it is not recommended that components that have elastomeric components be used for more than one downhole trip. Lower molecular weight hydrocarbons have a higher propensity to penetrate into the elastomer matrix causing problems not limited to loss in elastomer modulus, accelerated heat aging, changes in elastomer volume, leaching of crucial elastomer ingredients, and rubber-to-metal bond degradation. While some elastomers are more resistant to the differences in drilling fluids, the uncontrollable variance of oils, diesel, and other organic fluid additives make the predictable run life of the elastomeric elements impossible to determine. Therefore, whenever possible it is not recommended to subject components that have elastomeric elements for more than one downhole trip, independent of duration, temperature, loading, or any other factors that would typically affect an elastomer. H2S (Sour) Service NOV motors are manufactured from steels of hardness in excess of that allowed by the National Association of Corrosion Engineers (NACE) Specification MR0175. This hardness is required to achieve the strength necessary for use in the drillstring, but it renders it susceptible to sulfide stress cracking (SSC). As a consequence the drilling environment should be controlled if these tools are to be used in sour environments. 36
  • 43. Operation The drilling environment may be controlled using one or more of the following (Reference NACE MR0175): 1. Maintenance of the drilling fluid hydrostatic head to minimize formation fluid in-flow. 2. Use of chemical sulfide scavengers. 3. Use of a drilling fluid in which oil is the continuous phase. NOTE: Low aniline point oil based drilling fluids can damage stator liner and cause premature failure. The following specifications provide recommendations for drilling sour wells and for the control of the drilling environment: 1. American Petroleum Institute (API) Recommended Practice The RP7G Section 9. 2. The National Association of Corrosion Engineers (NACE) Specification MR0175, “Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment”. 3. Alberta Recommended Practices for Drilling Critical Sour Wells. The time that a motor is exposed to H2S in a typical drilling application is insufficient for H2S to cause damage to the elastomers (e.g. stator liner)within the motor. The Effects of Chlorides on Power Sections Drilling fluids containing chlorides can reduce rotor and stator life due to corrosion, especially at elevated temperatures. Special attention should be paid to the internal coatings when the chloride concentration is in excess of 30,000 PPM. The motor should be flushed and serviced as soon as possible if it has been exposed to chlorides – refer to Rig Site Maintenance on page 42. Drilling fluids are blends of several chemicals in water or oil based media. Some of these ingredients can negatively impact the performance of an elastomer compound. KCl, a common ingredient in water based mud (WBM), is used as a source of potassium as a Base Exchange ion to stabilize drilled shales. Published test data supports the belief that KCl does not have any detrimental effects on the elastomers used in power section stators; however, this is not always true. When changes in mechanical properties of an elastomer occur as a result of exposure to a fluid containing chlorides, the most likely catalyst is not the chloride, but one or more of the ingredients within the fluid. Although the impact of chlorides to the mechanical properties of elastomers is minimal, high chloride water based fluids can permeate through the elastomer, especially high acrylonitrile base polymers. Fluid that permeates through the elastomer to the base metal is able to interact with the adhesion bond between the elastomer and metal tube. This can result in leaching of materials from the bond system and corrosion of the substrate material, resulting in a progressive loss of adhesion strength. This bond hydrolysis phenomenon is accelerated when high temperatures (250°F [121°C] and above) are involved. A weakened bond system can allow the elastomer to separate from the tube under normal loading conditions, leading to premature stator failure. When possible, use an alternate K donor such as potassium acetate, potassium carbonate, potassium lignite, or potassium hydroxide for drilling fluids that can negatively affect the stator elastomer. If an alteration to the drilling fluid is not possible, it is recommended to use PowerPLUS™ with the appropriate fit selection based upon temperature and fluid interaction for applications using a WBM with high chloride content. 37
  • 44. Motor Handbook, 7th Edition Chlorides can also have a negative effect to rotors. The base metal rotor is always coated with a material to offer abrasion resistance, chemical resistance and improve coefficient of friction properties. A typical coating used is hard chrome plating (HCP). Chrome is applied through an electroplating process in which the chrome applies itself as layers on top of the base metal. These layers have separations, commonly known as micro-cracks, throughout the coating. Aggressive fluids are able to permeate through the micro-cracks to the base substrate metal with negative impact. WBMs with high chloride content and high temperatures are especially aggressive in coating permeation. A common result is flaking of the chrome and pitting of the base metal. Chrome flakes can damage the stator elastomer as it is passed through the power section. In these situations, a coating with less porosity should be selected to prevent damage to the power section. A typical coating used is tungsten carbide (WC), which has a very low porosity and is intended for high chloride applications. In WBM for chloride content up to 30,000 ppm, the use of HCP is acceptable. Beyond this limit the chloride will have a negative impact to the chrome coating, affecting the overall integrity and life of the chrome. The severity of impact is dependent on application factors such as length of exposure, chloride content and exposure temperature. A basic recommendation for chloride levels in WBM with high temperatures is per the following: Table 5: Chloride Content Coating Type Below 30,000 ppm 30,000 to 75,000 ppm 75,000 to Above 150,000 ppm 150,000 ppm HCP Corrosion can occur but not common Low level corrosion possible High level corrosion possible Do not use WC Acceptable for use Acceptable for use Acceptable for use Acceptable for use Drilling Fluid Additions While drilling with a motor attached to the BHA, a need to modify the complete or partial composition of the drilling fluid (mud) may be identified. This will require the addition of standard drilling fluid constituents, and/or various additives such as lubricants, surfactants, corrosion inhibitors, viscosity modifiers, lost circulation material (LCM) and others. It is important to note that, while the overall composition of the drilling fluid may not change significantly, and may be safe to pump, the pumping of many of these materials through the motor in a highly concentrated form can significantly reduce the work-life and reliability of motor components. For example, while changing the type of drilling fluid, the addition of a single slug of diesel may mean that locally (within the motor) the drilling fluid composition is close to 100% diesel for a period of time. Or, while adding solids to the mud, the overall concentration of mud solids may only be increasing from 4% to 5% total, but the solids concentration within the motor during the addition may be significantly higher, and significantly more damaging. This may be even more significant when pumping a pill of lost circulation material (LCM), as some types of LCM use solids and particulate that will damage or reduce the service life of stator elastomers, plated sealing surfaces, and steel housings and internals. 38
  • 45. Operation While NOV understands that the use of concentrated pills and sweeps of fluid may be necessary during drilling operations, their effect on the longevity and effectiveness of the motor should be considered by the customer before their use. When possible, NOV recommends that the addition of solids and chemicals be done in stages while pumping to minimize the impact of high localized concentrations of these drilling fluid additions. When practical, pulling out of hole and removing the motor from the BHA before pumping a sweep or a pill may also extend motor life and reliability. Downhole Temperature An increase in static downhole temperature reduces the strength of the stator elastomer liner. Consequently, the maximum recommended pressure drop across the power section should be reduced to avoid stator elastomer premature deterioration. As Figure 7 shows, no reduction in maximum pressure drop is necessary up to a temperature of 140°F (60°C). Beyond that temperature, the maximum recommended differential pressure obtained from the performance curves (SECTION IV: MOTOR PERFORMANCE DATA) should be multiplied by the ΔP Reduction Factor shown in Figure 7. For example, if the maximum recommended differential pressure is 600 psi and the static downhole temperature is 200°F (93°C), the operating full load pressure is calculated by multiplying 600 psi by a ΔP Reduction Factor of 68%, yielding 408 psi. The shaded regions in Figure 7 reflect the recommended stator fit at the continuous BHT. While a Standard Fit stator can be used at temperatures higher than 220°F (104°C) it is susceptible to premature failure due to excessive interference fit. Likewise, an Oversize Fit can be used at temperatures below 220°F (104°C) but may not perform as desired due to the looser fit which could allow fluid to leak through the cavities resulting in a weak motor. Temperatures outside 320°F (160°C) should be consulted with NOV Downhole Engineering prior to installation. HEMIDRIL® stators are also subject to reduction of elastomer strength due to high temperatures, therefore, the Max Pressure De-rating for Power Sections curve should also be followed for HEMIDRIL applications. However, HEMIDRIL stators are available only with a standard fit because the even wall cross section prevents excessive deformation of an elastomer due to temperature. 100% 95% 90% Undersize Fit 85% Standard Fit 80% Oversize Fit 75% Dbl Oversize Fit 70% 65% 60% 55% 50% 45% 40% 35% 30% 100 (38) US Fit 120 (49) Std Fit 140 (60) 160 (71) 180 (82) OS Fit 200 220 240 (93) (104) (116) Temperature °F (°C) 260 (127) 2xOS Fit 280 (138) 300 (149) 320 (160) Figure 7: Max Pressure De-rating for Power Sections 39
  • 46. Motor Handbook, 7th Edition Plugging Off The motor may plug off with cuttings entering the drillstring through the filter plugs in the dump sub ports. To prevent this occurrence the hole should be circulated to achieve “bottoms up” before running in the hole with a motor. This may also occur upon breaking connections when drilling cement or unconsolidated sands, etc. As the annulus loads up with cuttings and the kelly is broken off, “U-Tubing” occurs, (i.e. the pressure in the annulus exceeds the pressure in the bore due to different fluid densities). If this occurs, immediately make the kelly back up and re-commence circulation and ensure that the hole is cleaning properly. In some cases it may be necessary to blank off the dump sub. Back Reaming Back reaming should be avoided if possible. Uncontrolled or poorly managed back reaming can be a high risk operation that can lead to a stuck BHA, a packed off hole, hole and formation damage and hole collapse. Back reaming adds to the loading that the off-bottom bearings in sealed bearing motors experience, in addition to the thrust load from the rotor and the weight of the bit or other tools below the motor. These additional loads will reduce the bearing life. Back reaming through curved sections or high doglegs will also create high side loading on the radial bearings. Vibration is generally worse when back reaming because the bottom of the BHA is no longer supported (See Stalling on page 28). Using a BlackBox and VibraSCOPE™ should be considered to review vibration characteristics from previous wells and aid in the selection of the proper BHA components. If back reaming cannot be avoided, it should always be supervised by the driller or competent rig personnel. An MWD tool should be run to monitor and control shock levels and collar RPM in real time at the rig. The harmful effects of the motor associated with back reaming need to be minimized to prevent motor failure. In order to reduce the stresses, it is recommended to reduce the flow rate by a minimum of 30% to help extend bearing life, but sufficient to ensure cooling and cleaning of the bit and motor bearings. Using an adequate flow rate will also minimize the chances of hole washout if the assembly is maintained in the same position for any length of time. The rotary speeds should be kept at a maximum of 40 RPM, and the maximum over pull limits of the motor should not be exceeded (See Motor Comparison tables-Pull to Re-run in Section 9). These guidelines are only to be used within the limits of the Maximum Adjustable Bend setting for Rotary Drilling tables in Section 10. If there is a need to rotate at a faster rate than is recommended, RPM should be as low as possible. Higher rotary speeds will increase the possibility of catastrophic motor failure if drilling conditions are not monitored and actions taken to minimize harmful effects on the motor. These include increased shocks/vibrations, which can cause motor housing fracture, connection back offs, and premature bearing failure. Also, if back reaming is anticipated, the proper BHA components with back reaming cutting features should be chosen. Hydraulic Extension When using a positive displacement motor, the drillstring stretches when bottom is tagged, increasing the weight on bit. The sequence is as follows: 1. The motor is running freely “off bottom”. 2. When the string is lowered and the bit tags bottom, the torque required to drive the bit causes an increase in the pressure across the motor. 40
  • 47. Operation This increase in internal pressure in the drillstring causes the drillpipe to stretch and correspondingly, increases the weight on bit. Usually the bit “drills off” and when the string is again lowered, the above sequence repeats. However, under certain circumstances the motor may stall and not drill off, and drilling with a positive displacement motor becomes virtually impossible. The hydraulic extension maximizes due to the stall pressure, and causes the bit to become imbedded. One solution is to change the drill bit to a less aggressive style to avoid imbedding. An alternate solution is to use a motor with a higher lobe configuration because these require less pressure drop across the rotor and stator to produce the same torque. Partial Rotor Bypass NOV low speed motors with bored rotors permit higher circulating rates than normally recommended as a portion of the circulating fluid passes through the rotor center rather than the rotor stator interface. It should be understood that the pressure drop across the rotor bore bypass is the same as the pressure drop across the power section. At a very low circulation rate, below a practical rate for operation, all circulation could be through the rotor bore bypass and the rotor and output shaft will not turn due to the static friction between the rotor and stator elastomer liner. At high circulation rates “on bottom”, operating near the rated torque of the motor, the resulting pressure drop across the power section causes a substantial portion of total circulation to be directed through the rotor bore, keeping the flow through the rotor stator interface within recommended operating limits. At high circulation rates “off bottom”, the pressure drop across the power section is low. Consequently, the portion of the circulating fluid passing through the bypass is low, and the motor speed will exceed its recommended limit. In order to avoid major damage, high circulating rates “off bottom” for the purpose of checking pressure drop, should be kept to a short duration. When circulating “off bottom”, for the purpose of hole cleaning, the circulation rate should not exceed the maximum recommended for standard motors without bored rotors. Refer to Section 6, Nozzle Selection on page 47, for details. Running Additional Tools Below the Motor When running other tools below a bent motor, consideration must be made for the additional “bit-to-bend” length that the tool adds below the motor. Increasing this length will increase the bending stresses on the motor housings. NOV Downhole Engineering can provide adjusted “Maximum Adjustable Bend Setting for Rotary Drilling” limits for these situations. NOV motors have been used successfully with running rotary steerable tools below a straight motor. Typically, the PowerPLUS™ and HEMIDRIL® power sections are preferred, due to their higher torque output and reliability. Depending on the rotary steerable system (RSS) used, the no bypass motors are preferred (‘ST3’ motors) to send all the flow to the tool without flow/pressure loss through the flow restrictor. See Bit Pressure Drop on page 33 for more information on the effects of running additional tools below the motor. 41
  • 48. Motor Handbook, 7th Edition Rotor Nozzling Sometimes it is necessary to have a higher flow rate than what is recommended for a given power section in order to run tools below the motor assembly. In these situations, a limited amount of additional flow can be bypassed through the rotor using a nozzle, effectively increasing the total flow rate, without exceeding the required flow rate through the power section. The Nozzle Selection Guide can be found on page 47. Nozzles are selected based on mud weight, total required flow rate, differential pressure, and motor flow rate for required RPM (flow required between the rotor and stator). Table 6: Available Nozzle Sizes Motor Size Available Nozzle Sizes 3 3/8” – 5” 4/32, 5/32, 6/32, 8/32, 10/32 6 1/4” – 11 1/4” 6/32 – 24/32 in 2/32 increments Soft Stall with a Nozzle When using a nozzle, a motor stall doesn’t cause a spike in standpipe pressure, making a stall difficult to detect. When stalled, the majority of the flow goes through the nozzle which negates the pressure spike. An increase in differential pressure and no ROP are the only signs that it has stalled. This is called a soft stall. If a soft stall is detected, flow should be immediately reduced or if possible, stopped altogether, prior to lifting off bottom. See Stalling on page 28 for more information. Tripping Out & Checking the Motor No special procedures are required for tripping out of the hole with a sealed bearing assembly (e.g. ‘ST3’ and ‘SR3’ motors). These motors are set with endplay of 0.020” to 0.060” when assembled, which is barely noticeable at the rig – if noticeable endplay is observed, return motor for servicing. If the motor has a mud-lubricated bearing assembly (e.g. ‘ML3’ motor), the maximum allowable endplay can be checked and compared to Table 7. Table 7: Max Allowable Endplay to Re-run Motor Size Max Endplay to Rerun ‘M3’ Motor 5” 5/16” 6 1/2” 7/16” 7” 7/16” 8” 1/2” 9 5/8” 11/16” Note: It is normal to see a small amount of drilling fluid draining from the vent plugs and in certain models from the lower end of the seal bearing assembly, just above the output shaft. Note: Lighter mud weights will typically drain while tripping out of hole. A motor that has not drained does not suggest that the motor is damaged. It is important to follow the procedures outlined in Section 5 to ensure proper motor operation. Rig Site Maintenance When drilling fluids containing chlorides have been used, it is imperative the NOV motor is flushed, ideally with fresh water, before being laid down. Leaving the motor unserviced causes severe pitting of the plated surfaces, resulting in potential seal damage, seal leakage and stator elastomer 42
  • 49. Operation damage. In addition, the internal walls of motor housings and internal torque-bearing components may be subjected to the negative effects of corrosion and corrosion pitting. This pitting creates stress concentrations which can contribute to the initiation of fatigue cracks at future stresses and loads significantly below the motor’s design capacity. To enhance the reliability and extend the life of the motor, proper flushing after motor use is recommended. If a dump sub is used, after the tools are removed above the dump sub, clean fluid should be poured into the top of the dump sub and the piston actuated with a hammer handle several times until it travels freely up and down. Fluid should be flushed through the dump sub ports, again actuating the piston until free travel is obtained. Install the ported lift sub. Lift motor and place in bit breaker. Secure the motor with a chain tong on the tool body. While slowly rotating the table clockwise, for a minimum of 6 turns, add clean fluid in the top or port provided. NOTE: This procedure may cause internal threads to back off if performed too rapidly. It may become necessary to remove and replace the dump sub or top sub in the field (e.g. to replace a rotor jet, if so equipped). This may not be possible if the top sub to stator connection has been secured using a thread locking compound such as Loctite or Torq-Lok during assembly. Contact the supplier of the motor to inquire whether this type of compound was applied. After adjustment, the connection must be torqued to the values specified in Table 8. Table 8: Make-up Torque, Top Sub, or Dump Sub to Stator Tool Size 1 7/16” 1 11/16” 2 1/8” 2 3/8” 2 7/8” 3 1/8” 3 3/8” 3 1/2” 3 3/4” 4 3/4” 5” 6 1/4” 6 1/2” 6 3/4” / 7” 7 3/4” 8” 9 5/8” 11 1/4” Torque (lb-ft) 300 750 1,250 1,600 2,000 3,000 5,500 4,000 5,000 9,000 12,000 25,000 22,000 28,000 42,000 41,000 68,000 80,000 (N-m) 400 1,000 1,700 2,200 2,700 4,100 7,400 5,400 6,800 12,200 16,000 34,000 30,000 38,000 57,000 56,000 92,000 108,000 Motor Storage Storing a power section with the rotor assembled with the stator for long periods of time without rotation can cause permanent deformation of the stator elastomer called compression set. To prevent this damage, NOV Downhole recommends that the power section is stored for no more than 7 days without rotor rotation. This duration includes the time from when it was assembled in addition to the storage time on the rig site. Whenever possible, store the rotor outside of the stator. 43
  • 50. Motor Handbook, 7th Edition When rotating the rotor, always use a lubricant such as water or inert hydraulic oils. Use of drilling mud or any other petroleum based oil could result in chemical degradation of elastomeric elements prior to operation, which could negatively affect performance and life. For temperatures below 40°F (4°C) to -20°F (-28°C) glycol should be used as the lubricating source for standard NBR elastomers. If the elastomer is HNBR use a vegetable oil or mineral oil such as methylcyclohexane. At the completion of the rotation, the lubricating fluid should be drained and the motor stored dry. In cold climates (below 40°F (4°C)), heat jackets or heat trace lines could be applied to the motor to regulate components to a temperature above 40°F (4°C), to prevent thermal contraction of the elastomer. Thermal contraction in the stator can add stresses to the adhesive bond between the elastomer and the tube ID. See Warming a Motor in Cold Climates on page 26. Servicing NOV recommends that its motors be serviced after every run by an authorized NOV Downhole service facility. At an NOV Downhole authorized service facility, the motors are visually inspected, flushed, and if necessary, run in a motor dynamometer before disassembly (if a dyno is available at that service facility). Motors are completely disassembled and all parts cleaned and inspected. Threaded connections and critical components in the motors are magnetic particle inspected by operators qualified in accordance with SNT-TC-1A. Threads and parts are redressed as necessary and worn parts are replaced. Makeup and breakout of all threaded connections are performed with an accurate torque machine (e.g. NOV TorqueMaster™ or Mini-Torque) to ensure proper torque is applied to the threaded connection. Following reassembly, the tool is filled with oil, pressure tested to verify the integrity of the seals and typically tested for proper operation (if a dyno is available). The Service Quality Team within NOV Downhole consists of incident reporters, evaluation engineers, service technicians and SQ leaders and coordinators from around the globe. All work together to provide exceptional service delivery by ensuring the competency of motor technicians, enhancing product reliability, and providing a safe environment for the servicing of NOV motors. Using the NOV custom-developed ‘ITrax’ reporting program, the Service Quality Team is provided with an environment to facilitate the flow of information and to capture the documentation related to any incident regardless of its point of origin. ITrax also allows for reporting on such metrics as Mean Time Between Failure (MTBF), Incidents per Thousand Jobs (Incidents per KJ), and Process Incidents per thousand Tools Shipped. The NOV custom-developed Track-A-Tool (TAT) system is used to manage the fleet of motors repaired and maintained at any one of its facilities worldwide. TAT is designed specifically to track the status and complete, individual history of all the major motor components, as well as the entire assembly. This includes operating hours, rework records, application data, etc. The data collected in ITrax and TAT is used to further optimize motor designs through trend analysis and gain a better understanding of operating and application demands. NOV Downhole’s use of ITrax and TAT provides the company and its customers with reliable, up-to-date data on any issue that arises concerning a NOV motor. 44
  • 51. SECTION III: SUPPORTING INFORMATION 45
  • 52. Nozzle Selection 6. Nozzle Selection NOV motors can be supplied with a nozzle fitted in the top of the rotor to allow a portion of the total flow to bypass the rotor and stator. This option must be specified at time of order. Selection The following is the procedure used to select the proper nozzle size. 1. From the motor performance curve (see SECTION IV), obtain the flow rate through the motor (Qm) for the desired motor RPM and differential pressure. 2. Subtract this flow rate from the total desired flow rate (Qt) to obtain the required flow rate through the nozzle (Qn). Qn = Q t - Q m 3. To use the curve in Figure 8, adjust the nozzle flow rate from the actual mud weight to obtain an equivalent nozzle flow rate in water (Qe) as follows: Qe[gpm] = Qn x Qe[lpm] = Qn x MW [lb / gal] 8.33 lb / gal MW [lkg / m3] 998.2 kg / m3 Using this equivalent nozzle flow rate (Qe) and the desired motor 4. differential pressure, choose the required nozzle from one of the charts below. Choose the next smaller nozzle if between sizes. Nozzle 800 (3030) Equivalent Nozzle Flow Rate (water @ 68°F (20°)) US gpm (lpm) 32/32 700 (2650) 30/32 28/32 600 (2270) 26/32 500 (1890) 24/32 400 (1510) 22/32 20/32 300 (1140) 18/32 16/32 200 (760) 14/32 12/32 100 (380) psi (kpa) 10/32 8/32 0 500 100 200 300 400 600 700 800 (690) (1380) (2070) (2760) (3450) (4140) (4830) (5520) Differential Operating Pressure Figure 8: Nozzle sizes and equivalent flow rates for water 47
  • 53. Motor Handbook, 7th Edition To calculate nozzle size directly 1. Find the required nozzle flow rate using previous steps 1 and 2. 2. Calculate nozzle flow area from the following equation: Qn2 x MW [in2] 10858 x ∆P0 An = 3. Find the nozzle size by rounding down the result of the following: Example Nozzle Size (32nd inch) = 4 x An x 32 p A total flow of 600 gpm is desired using a 6 1/4” 7/8 2.8 stage motor at a differential operating pressure of 240 psi. The desired speed is 100 RPM and the mud weight is 11 lb/gal (11 ppg). The motor performance chart for the above motor shows that 320 gpm is required to turn the motor at 100 RPM and 240 psi. Subtracting this 320 gpm motor flow rate from the 600 gpm total flow rate gives a required nozzle flow rate of 280 gpm. Adjusting this nozzle flow rate for 11 ppg mud gives an equivalent nozzle flow rate (Qe) of: Qe = Q n x MW [lb / gal] 11lb / gal] = 280 gpm x 8.3304 lb / gal 8.33 lb / gal Qe = 322 gpm The above chart indicates that a 26/32 nozzle is required to bypass 322 gpm of water which is equivalent to an 11 ppg mud flow rate of 280 gpm at 240 psi. A direct calculation yields: An = Qn2 x MW 2802 x 11 = = .575 in2 10858 x ∆P0 10858 x 240 Nozzle Size (/32 in) = 4 x An 4 x .575 x 32 = x 32 = 27.4 p p Rounding down to the nearest nozzle size yields a 26/32 nozzle. Table 9: Nozzle Torque Values NOZZLE CARRIER TORQUE (inches) SOCKET SIZE 2 7/8 1 1/16 (27) Reed 371748 100 (140) 3 3/8 1 1/16 (27) Reed 371748 100 (140) 200 (270) SIZE in (mm) NOZZLE TYPE lb-ft (N-m) 3 3/4 Reed 371748 1 1/2 (38) Dresser 16527-xx 300 (410) 6 1/4 1 5/8 (41) Dresser 90021-28 600 (800) 6 3/4 1 5/8 (41) Dresser 90021-28 600 (800) 7 3/4 1 5/8 (41) Dresser 90021-28 600 (800) 9 5/8 1 5/8 (41) Dresser 90021-28 600 (800) 11 1/4 48 1 3/16 (30) 4 3/4 1 5/8 (41) Dresser 90021-28 600 (800)
  • 54. Adjustable Assembly Operating Instructions 7. Adjustable Assembly Operating Instructions 2°, 3° and 4° Adjustable Housings Figure 1 • Break joint with tongs on tong areas shown. • Keep Adjusting Ring engaged with Offset Housing and back off Lock Housing 2 turns. POWER SECTION TONG AREA Note: Teeth must stay engaged during the back off procedure. If ring rotates while disengaged from teeth, reset the adjusting ring position as detailed on page 50. LOCK HOUSING ADJUSTING RING TONG AREA Figure 2 • Slide the Adjusting Ring up to disengage teeth. • To adjust bend angle, rotate adjusting ring until the required angle marked on the adjusting ring and offset housing match. OFFSET HOUSING POWER SECTION LOCK HOUSING ADJUSTING RING OFFSET HOUSING POWER SECTION Figure 3 • Engage teeth of Adjusting Ring at chosen angle setting. Apply thread dope to mating faces of the Lock Housing and Adjusting Ring. Matched number indicates angle of bend and exact short side of motor. LOCK HOUSING Apply thread dope to this face before retorquing ADJUSTING RING • Make up Lock Housing to recommended value listed in Table 10 or Table 11. Warning: Do not rotate counterclockwise beyond the 0° setting. This can lead to connection make up issues and potential downhole back-off. OFFSET HOUSING Determining High Side for 2°, 3°, and 4° adjustable assemblies When the adjustable assembly is set at a bend angle, the motor high side (short side) is aligned with the matched angle markings. 49
  • 55. Motor Handbook, 7th Edition 2.38° Adjustable Housing The 2.38° Adjustable Housing bend setting is set in the same way as the 2°, 3°, and 4° housings, however, instead of teeth, there are pins and slots which must be aligned. The bend setting is shown by aligning the ‘BEND’ line on the adjusting ring with the desired angle line on the offset housing. Determining High Side For whatever bend setting the assembly is set at, the motor high side (short side) is indicated by the corresponding mark on the Adjusting Ring. Figure 9: 2.38° Adjusting Ring Reset Adjusting Ring Position If the Adjusting Ring teeth are not kept engaged and the ring is allowed to rotate when backing off the Lock housing, the internal Splined Mandrel will back off. This can also occur if the Adjusting Ring is rotated counterclockwise beyond the 0° bend setting. If the Splined Mandrel backs off too far, the Lock Housing will bottom out on the splines when making up this connection. Because of this, the connection is not properly preloaded, which can lead to the Lock Housing or Splined Mandrel backing off down hole. In extreme cases, it is possible that the teeth can be sheared off when trying to torque up the connection. In the event that the adjusting ring disengages from the offset housing and rotates counterclockwise beyond the 0° bend setting, the procedure outlined below should be followed to reset the adjusting ring to the proper position prior to setting the bend angle: 1. To ensure enough clearance to complete the following steps, engage the adjusting ring and back off only the lock housing 2 additional turns. 2. Slide the adjusting ring up until teeth disengage from the offset housing. 3. Screw the adjusting ring (and the splined mandrel) clockwise into the offset housing until the splined mandrel bottoms out & stops. If teeth engage while screwing in splined mandrel, repeat steps 1 and 2. 4. Back off 2 turns (counterclockwise rotation). 5. Rotate the adjusting ring clockwise to the “0.00” position. The adjustable housing is now reset and can be set to the desired bend angle as indicated in the previous pages. 50
  • 56. Adjustable Assembly Operating Instructions Lock Housing Make-up Torques Table 10: 2°, 3° and 4° Conventional Lock Housing Make-up Torque Motor Size Torque (lb-ft) (N-m) 4,000 2 7/8” 5,400 3 1/8” 4,500 6,100 3 3/4” 5,300 7,200 4 3/4” 11,300 15,000 6 1/4” 23,000 31,000 6 3/4” 28,000 38,000 7 3/4” 43,000 58,000 9 5/8” 68,000 92,000 11 1/4” 80,000 108,000 Table 11: 2.38° and 3° HEMIDRIL-rated Lock Housing Make-up Torque Motor Size Torque (lb-ft) (N-m) 11,000 5” (2.38° only) 15,000 5” (3° only) 14,000 19,000 6 1/2” 26,000 35,000 7” 28,000 38,000 8” 50,000 68,000 9 5/8” 68,000 92,000 The following table shows the available bend settings for the 2°, 2.38°, 3°, and 4° adjustable housings. Table 12: Adjustable Housing Bend Settings 2 Degree 3 Degree 4 Degree 2.38 Degree 0.00 0.00 0.00 0.00 0.26 0.39 0.35 0.39 0.52 0.78 0.69 0.78 0.77 1.15 1.04 1.15 1.00 1.50 1.37 1.50 1.22 1.83 1.69 1.83 1.41 2.12 2.00 2.12 1.59 2.38 2.29 2.25 1.73 2.60 2.57 2.38 1.85 2.77 2.83 1.93 2.89 3.06 1.98 2.97 3.28 2.00 3.00 3.46     3.63     3.76     3.86     3.94     3.98     4.00 51
  • 57. Motor Handbook, 7th Edition Legacy Black Max™ Adjustable Housing Setting Procedure Adjustable Housing Setting Procedure from Black Max Motor Handbook, Jan 2006, Page 76-77 ADAPTER HOUSING ADAPTER HOUSING TONG HERE KICK RING KICK RING .50 APPROX 2 TURNS TONG HERE MANDREL HEAD Tong as shown to break. While holding kick ring up, back off mandrel head ring 2 full turns. While lifting on adapter housing, slide kick ring down. ROTATE TONG HERE KICK SUB CLEAN AND REDOPE CLEAN AND REDOPE HOLD Rotate kick sub to req kick. Align marks as shown. 52 TONG HERE Re-engage kick ring. While holding kick ring in place, chain tong mandrel head. Torque mandrel head to required torque.
  • 58. Adjustable Assembly Operating Instructions Table 13: Black Max™ Adjustable Make-up Torque Motor Size Mandrel Head Torque (lb-ft) 3 1/8” (N-m) 2,000 2,700 3 1/2” 3,500 4,700 3 3/4” 3,500 4,700 5” 12,000 16,000 5 1/2” 13,000 18,000 6 1/2” 22,000 30,000 6 3/4” 22,000 30,000 8” 40,000 54,000 9 5/8” 60,000 81,000 11 1/4” 75,000 102,000 Determining High Side for legacy Black Max™ adjustable assemblies When the adjustable assembly is set at a bend angle, the motor high side (short side) is aligned with the matched angle markings. CAUTION! 1. Whenever backing off mandrel head, or making up mandrel head to proper torque, always pull on tongs that are on mandrel head. 2. Make sure teeth are in alignment and fully engaged before mandrel head is torqued. 3. Ensure all shoulder faces are free from dirt/debris and dope all exposed threads and faces before making up. DO NOT ROTATE OVER 1.50° ACTUAL 53
  • 59. Motor Handbook, 7th Edition 8. Troubleshooting Sudden Pressure Increase • his may occur when the motor stalls. See Stalling on page 28 for instructions on how to correct this problem. • The tool may be plugged internally, or the bit plugged requiring a trip out of the hole for bit or motor replacement. • The bearing assembly may be seized. Test motor at surface. Low / No Penetration • This may occur due to a worn bit, requiring a bit trip. • Formation changes may require changes in bit weight and circulation rates. • The stabilizer may be hanging up on the formation. • The bit may be balled up requiring a different bit for the formation. • The stator elastomer liner may be damaged requiring a trip out of the hole and motor replacement. Slow Pressure Decrease • This may result from a wash out in the drill string or the dump sub. • Lost circulation causes a decrease in pressure if there is no return and may be confirmed by checking the pit level. • A gas kick causes a decrease in pressure and may be detected by an increase in ROP and confirmed by checking the pit level. Sudden Pressure Decrease • This may result from a backoff in the drill string or on the motor. Penetration will cease. • This may indicate fracture of the driveshaft assembly within the motor. Test motor at surface. Bit Box Does Not Spin While Circulating • If flow comes out the bit, but it does not spin while circulating (i.e. during surface test), this may be an indication of a backed-off connection or fracture of the driveshaft assembly within the motor. Bit Box Does Not Spin, Minimal Flow When Circulating • If minimal flow comes out the bit, and it does not spin while circulating (i.e. during surface test), this may be an indication of a seized bearing assembly or damaged stator elastomer liner. • May also be an indication of partial plugging within the BHA 54
  • 60. SECTION IV: MOTOR PERFORMANCE DATA 55
  • 61. Motor Performance Data 9. Motor Performance Summary The following tables list the available motor configurations. These tables can be used to compare different bearing assembly options that can be run with power sections listed in Section 10. Motor Performance Summary The Motor Performance Summary table lists the Maximum Flow Rates, Max Bit Speed, Rev/Unit Volume, and Max Differential Pressure and Torque for Standard and PowerPLUS power sections. These values can also be found on the individual power section spec pages and are listed here for quick reference and comparison. Weight on Bit Limits The Weight on Bit Limits Table lists the maximum recommended continuous weight on bit (WOB) that can be applied while drilling to a particular bearing assembly. WOB is dependent on the rotational speed of the motor. Increasing RPM of the motor reduces the maximum recommended WOB. WOB values are provided at 100, 200 & 300 RPM. Using a higher WOB reduces the expected life of the bearings, therefore always using the minimum WOB required for the application. Motor Comparison Tables Performance curves in Section 10 are provided only for the latest design of sealed bearing assembly for each power section. Using the Motor Comparison Tables values, a comparison can be made to approximate build rates for and curve data for other motors. • Bit to Bend: The distance from the end of the bit to the middle of the bend on the adjustable housing. • Pull to Re-run: The maximum recommended tensile load allowed for a motor before damage to the internal bearings occurs. • Pull to Yield: The tensile load required to yield the weakest part of the motor. Pulling beyond this load will damage the motor. The motor should not be run again. Values are for reference only. NOV does not guarantee that damage will not occur to the motor assembly at or below the recommended WOB and Pull values because many other factors can affect these values. 57
  • 62. Motor Handbook, 7th Edition Motor Performance Summary Size Lobes Stages Maximum Flow Rate (gpm) (lpm) Maximum Bit Speed Rev / Unit Volume (RPM) (rev/gal) (rev/L) 170 190 450 470 300 530 582 515 372 470 422 252 12.9 11.3 3.10 3.76 5.28 1.80 3.4 2.7 0.82 0.99 1.39 0.48 450 450 610 610 760 610 610 980 950 950 950 1,140 950 950 1,140 950 950 1,320 1,320 1,320 1,510 1,890 1,510 1,890 1,510 1,890 1,890 2,270 2,270 2,270 2,270 2,270 2,270 1,890 1,890 2,270 2,270 2,270 408 188 250 242 160 89 122 516 267 253 253 326 80 137 79 83 131 303 302 302 276 232 131 82 131 535 145 510 304 311 246 186 186 87 84 172 174 150 3.40 1.56 1.56 1.51 0.80 0.56 0.76 1.99 1.07 1.01 1.01 1.09 0.32 0.55 0.27 0.33 0.52 0.87 0.86 0.86 0.69 0.46 0.33 0.16 0.33 1.07 0.29 0.85 0.51 0.52 0.41 0.31 0.31 0.17 0.17 0.29 0.29 0.25 0.90 0.41 0.41 0.40 0.21 0.15 0.20 0.53 0.28 0.27 0.27 0.29 0.08 0.15 0.07 0.09 0.14 0.23 0.23 0.23 0.18 0.12 0.09 0.04 0.09 0.28 0.08 0.22 0.13 0.14 0.11 0.08 0.08 0.04 0.04 0.08 0.08 0.07 Coiled Tubing Power Sections 1 11/16” 2 1/8” 2 7/8” 2 7/8” 2 7/8” 3 1/8” 5/6 5/6 5/6 5/6 5/6 7/8 5.0 6.0 3.5 4.7 7.0 3.0 45 50 120 125 80 140 Monoflo Power Sections 3 3/8” 3 3/8” 3 3/4” 3 3/4” 3 3/4” 3 3/4” 3 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 4 3/4” 5” 5” 5” 6 1/4” 6 1/4” 6 1/4” 6 1/4” 6 1/4” 6 1/2” 6 1/2” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 6 3/4” 58 4/5 7/8 4/5 5/6 6/7 7/8 7/8 2/3 4/5 4/5 4/5 5/6 7/8 7/8 7/8 7/8 7/8 6/7 6/7 6/7 4/5 5/6 7/8 7/8 7/8 1/2 8/9 2/3 4/5 4/5 5/6 6/7 6/7 7/8 7/8 7/8 7/8 7/8 5.0 3.0 3.5 5.0 3.0 2.0 2.3 8.0 3.5 6.0 6.3 8.3 2.0 2.2 2.6 2.9 3.8 6.0 7.0 8.0 7.5 5.5 2.8 2.9 4.8 4.0 4.0 7.0 4.8 7.0 6.8 5.0 6.0 2.0 2.9 3.0 5.0 5.7 120 120 160 160 200 160 160 260 250 250 250 300 250 250 300 250 250 350 350 350 400 500 400 500 400 500 500 600 600 600 600 600 600 500 500 600 600 600
  • 63. Motor Performance Data Standard Max Differential Pressure Torque @ Max Pressure PowerPLUS Max Differential Pressure PowerPLUS Torque @ Max Pressure (psi) (kPa) (lb-ft) (N-m) (psi) (kPa) (lb-ft) (N-m) 730 870 505 680 1,020 460 5,030 6,000 3,480 4,690 7,030 3,170 122 184 315 431 516 660 170 250 430 580 700 890 1,100 1,310 760 1,020 1,530 690 7,580 9,030 5,240 7,030 10,550 4,760 180 280 470 650 770 990 240 380 640 880 1,040 1,340 750 460 520 725 440 295 350 1,135 520 840 955 1,190 280 335 390 405 535 860 1,005 1,215 1,070 800 425 425 700 480 605 945 695 1,015 970 715 925 280 425 460 720 845 5,170 3,170 3,590 5,000 3,030 2,030 2,410 7,830 3,590 5,790 6,580 8,200 1,930 2,310 2,690 2,790 3,690 5,930 6,930 8,380 7,380 5,520 2,930 2,930 4,830 3,310 4,170 6,520 4,790 7,000 6,690 4,930 6,380 1,930 2,930 3,170 4,960 5,830 570 782 918 1,055 1,314 1,311 1,124 1,428 1,218 2,011 2,286 3,207 1,806 1,479 3,500 2,791 2,332 2,372 2,895 3,500 4,065 4,675 2,784 6,277 4,773 1,296 4,674 2,933 3,394 4,820 6,039 5,699 7,708 4,051 6,135 3,830 5,972 8,204 770 1,060 1,240 1,430 1,780 1,780 1,520 1,940 1,650 2,730 3,100 4,350 2,450 2,010 4,750 3,780 3,160 3,220 3,930 4,750 5,510 6,340 3,770 8,510 6,470 1,760 6,340 3,980 4,600 6,540 8,190 7,730 10,450 5,490 8,320 5,190 8,100 11,120 1,130 690 780 1,090 660 440 530 1,700 780 1,260 1,430 1,790 420 500 590 610 800 1,290 1,510 1,820 1,610 1,200 640 640 1,050 720 910 1,420 1,040 1,520 1,460 1,070 1,390 420 640 690 1,080 1,270 7,790 4,760 5,380 7,520 4,550 3,030 3,650 11,720 5,380 8,690 9,860 12,340 2,900 3,450 4,070 4,210 5,520 8,890 10,410 12,550 11,100 8,270 4,410 4,410 7,240 4,960 6,270 9,790 7,170 10,480 10,070 7,380 9,580 2,900 4,410 4,760 7,450 8,760 860 1,170 1,380 1,580 1,970 1,970 1,690 2,140 1,830 3,020 3,430 4,810 2,710 2,220 5,250 4,190 3,500 3,560 4,340 5,250 6,100 7,010 4,180 9,420 7,160 1,940 7,010 4,400 5,090 7,230 9,060 8,550 11,560 6,080 9,200 5,750 8,960 12,310 1,170 1,590 1,870 2,140 2,670 2,670 2,290 2,900 2,480 4,090 4,650 6,520 3,670 3,010 7,120 5,680 4,750 4,830 5,880 7,120 8,270 9,500 5,670 12,770 9,710 2,630 9,500 5,970 6,900 9,800 12,280 11,590 15,670 8,240 12,470 7,800 12,150 16,690 59
  • 64. Motor Handbook, 7th Edition Size Lobes Stages Maximum Flow Rate (gpm) Maximum Bit Speed Rev / Unit Volume (RPM) (rev/gal) (rev/L) (lpm) Monoflo Power Sections (continued) 6 3/4” 6 3/4” 7” 7” 7” 7 3/4” 7 3/4” 7 3/4” 7 3/4” 7 3/4” 7 3/4” 7 3/4” 8” 8” 9 5/8” 9 5/8” 9 5/8” 9 5/8” 9 5/8” 9 5/8” 9 5/8” 11 1/4” 11 1/4” 11 1/4” 7/8 8/9 2/3 7/8 7/8 4/5 4/5 5/6 6/7 7/8 7/8 7/8 5/6 6/7 2/3 3/4 3/4 5/6 5/6 6/7 6/7 3/4 6/7 6/7 6.4 3.0 8.3 6.0 7.5 3.6 5.3 5.0 4.0 2.0 3.0 4.0 3.0 5.0 7.5 4.5 6.0 3.0 4.0 5.0 6.0 3.6 5.5 5.6 600 500 600 600 600 900 900 900 900 900 900 900 900 900 1,200 1,200 1,200 1,200 1,200 1,200 1,200 1,500 1,800 1,800 2,270 1,890 2,270 2,270 2,270 3,410 3,410 3,410 3,410 3,410 3,410 3,410 3,410 3,410 4,540 4,540 4,540 4,540 4,540 4,540 4,540 5,680 6,810 6,810 183 150 939 199 186 226 230 257 159 106 152 149 279 159 590 260 251 133 132 156 155 179 162 162 0.31 0.30 1.57 0.33 0.31 0.25 0.26 0.29 0.18 0.12 0.17 0.17 0.31 0.18 0.49 0.22 0.21 0.11 0.11 0.13 0.13 0.12 0.09 0.09 0.08 0.08 0.41 0.09 0.08 0.07 0.07 0.08 0.05 0.03 0.04 0.04 0.08 0.05 0.13 0.06 0.06 0.03 0.03 0.03 0.03 0.03 0.02 0.02 450 950 950 1,890 1,510 2,270 2,270 2,270 3,410 4,540 4,540 400 245 130 85 136 102 180 180 153 132 132 3.33 0.98 0.52 0.17 0.34 0.17 0.30 0.30 0.17 0.11 0.11 0.88 0.26 0.14 0.04 0.09 0.04 0.08 0.08 0.04 0.03 0.03 HEMIDRIL Power Sections 2 7/8” 5” 5” 6 1/4” 6 1/4” 6 7/8” 6 7/8” 6 7/8” 8” 9 5/8” 11 1/4” 60 5/6 4/5 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 7/8 3.5 6.3 3.8 2.9 4.8 2.9 3.0 5.0 4.0 4.8 4.8 120 250 250 500 400 600 600 600 900 1,200 1,200
  • 65. Motor Performance Data Standard Max Differential Pressure Torque @ Max Pressure PowerPLUS Max Differential Pressure PowerPLUS Torque @ Max Pressure (psi) (kPa) (lb-ft) (N-m) (psi) (kPa) (lb-ft) (N-m) 995 455 1,135 885 1,120 520 750 700 565 295 460 570 435 715 1,040 615 830 410 555 715 880 505 820 820 6,860 3,140 7,830 6,100 7,720 3,590 5,170 4,830 3,900 2,030 3,170 3,930 3,000 4,930 7,170 4,240 5,720 2,830 3,830 4,930 6,070 3,480 5,650 5,650 7,580 4,418 1,881 6,437 8,508 5,106 7,029 5,529 7,783 6,055 6,604 8,333 3,436 9,618 5,853 7,184 8,849 8,988 11,865 12,881 15,775 12,174 19,368 19,377 10,280 5,990 2,550 8,730 11,540 6,920 9,530 7,500 10,550 8,210 8,950 11,300 4,660 13,040 7,940 9,740 12,000 12,190 16,090 17,460 21,390 16,510 26,260 26,270 1,490 680 1,700 1,330 1,680 780 1,130 1,050 850 440 690 860 650 1,070 1,560 920 1,250 620 830 1,070 1,320 760 1,230 1,230 10,270 4,690 11,720 9,170 11,580 5,380 7,790 7,240 5,860 3,030 4,760 5,930 4,480 7,380 10,760 6,340 8,620 4,270 5,720 7,380 9,100 5,240 8,480 8,480 11,370 6,630 2,820 9,660 12,760 7,660 10,540 8,290 11,670 9,080 9,910 12,500 5,150 14,430 8,780 10,780 13,270 13,480 17,800 19,320 23,660 18,260 29,050 29,070 15,420 8,990 3,820 13,100 17,300 10,390 14,290 11,240 15,820 12,310 13,440 16,950 6,980 19,560 11,900 14,620 17,990 18,280 24,130 26,190 32,080 24,760 39,390 39,410 885 1,435 865 660 1,090 900 685 1,140 910 1,090 1,090 6,100 9,890 5,960 4,550 7,520 6,210 4,720 7,860 6,270 7,520 7,520 644 3,830 4,480 9,750 8,450 12,955 6,510 10,830 15,155 26,160 26,160 870 5,190 6,070 13,220 11,460 17,560 8,830 14,680 20,550 35,470 35,470 61
  • 66. Motor Handbook, 7th Edition Weight on Bit Limits – Imperial Bold sizes are used with Motor Performance Data in Section 10. Size Model Series Max WOB @ 100 RPM Max WOB @ 200 RPM Max WOB @ 300 RPM (lbf) 169 Black Max™ (lbf) (lbf) 2,200 1,800 1,600 8,000 213 ST1 17 12,000 10,000 238 ST1 17 12,000 10,000 9,000 238 SR1 20 13,000 11,000 10,000 287 ST1 14 22,000 18,000 16,000 287 ST1 17 22,000 18,000 16,000 287 SR1 20 23,000 19,000 17,000 287 ST2H 24XH 22,000 18,000 16,000 313 ST2 24X 21,000 17,000 15,000 350 ST1 14 25,000 20,000 18,000 350 SR1 20 25,000 20,000 18,000 375 ST1 17 29,000 24,000 21,000 375 SR1 20 29,000 24,000 21,000 375 ST2 24 29,000 24,000 21,000 475 SR1 20 54,000 44,000 39,000 475 ST2 24 53,000 43,000 38,000 475 ST2 24X 53,000 43,000 38,000 475 ST2H 24XH 53,000 43,000 38,000 500 ST3 36 53,000 43,000 38,000 500 SR3 39 58,000 47,000 42,000 500 ML3 40 87,000 69,000 60,000 625 ST2 24 76,000 62,000 55,000 625 ST2 24X 76,000 62,000 55,000 625 ST2H 24XH 76,000 62,000 55,000 650 ST3 36 90,000 73,000 65,000 650 ML3 40 115,000 92,000 80,000 675 ST2 24 98,000 80,000 71,000 675 ST2 24X 98,000 80,000 71,000 675 ST2H 24XH 98,000 80,000 71,000 675 ST3 36 98,000 80,000 71,000 675 SR3 39 103,000 84,000 74,000 700 ML3 40 144,000 114,000 100,000 775 ST1 17 127,000 103,000 91,000 775 ST2 24 127,000 103,000 91,000 800 ST2 24 127,000 103,000 91,000 800 ST3 36 128,000 104,000 92,000 800 ML3 40 187,000 149,000 130,000 962 ST1 17 213,000 173,000 154,000 962 ST2 24X 213,000 173,000 154,000 962 ST2H 24XH 213,000 173,000 154,000 962 ST3 36 213,000 173,000 154,000 962 ML3 40 325,000 258,000 225,000 1125 ST2H 24 216,000 176,000 156,000 62
  • 67. Motor Performance Data Weight on Bit Limits – Metric Bold sizes are used with Motor Performance Data in Section 10. Size Model Series Max WOB @ 100 RPM Max WOB @ 200 RPM Max WOB @ 300 RPM (daN) (daN) 169 213 Black Max™ (daN) 1,000 800 700 ST1 17 5,300 4,400 3,600 238 ST1 17 5,300 4,400 4,000 238 SR1 20 5,800 4,900 4,400 287 ST1 14 9,800 8,000 7,100 287 ST1 17 9,800 8,000 7,100 287 SR1 20 10,200 8,500 7,600 287 ST2H 24XH 9,800 8,000 7,100 313 ST2 24X 9,300 7,600 6,700 350 ST1 14 11,100 8,900 8,000 350 SR1 20 11,100 8,900 8,000 375 ST1 17 12,900 10,700 9,300 375 SR1 20 12,900 10,700 9,300 375 ST2 24 12,900 10,700 9,300 475 SR1 20 24,000 19,600 17,300 475 ST2 24 23,600 19,100 16,900 475 ST2 24X 23,600 19,100 16,900 475 ST2H 24XH 23,600 19,100 16,900 500 ST3 36 23,600 19,100 16,900 500 SR3 39 25,800 20,900 18,700 500 ML3 40 38,700 30,700 26,700 625 ST2 24 33,800 27,600 24,500 625 ST2 24X 33,800 27,600 24,500 625 ST2H 24XH 33,800 27,600 24,500 650 ST3 36 40,000 32,500 28,900 650 ML3 40 51,200 40,900 35,600 675 ST2 24 43,600 35,600 31,600 675 ST2 24X 43,600 35,600 31,600 675 ST2H 24XH 43,600 35,600 31,600 675 ST3 36 43,600 35,600 31,600 675 SR3 39 45,800 37,400 32,900 700 ML3 40 64,100 50,700 44,500 775 ST1 17 56,500 45,800 40,500 775 ST2 24 56,500 45,800 40,500 800 ST2 24 56,500 45,800 40,500 800 ST3 36 56,900 46,300 40,900 800 ML3 40 83,200 66,300 57,800 962 ST1 17 94,700 77,000 68,500 962 ST2 24 94,700 77,000 68,500 962 ST2H 24XH 94,700 77,000 68,500 962 ST3 36 94,700 77,000 68,500 962 ML3 40 144,600 114,800 100,100 1125 ST2H 24 96,100 78,300 69,400 63
  • 68. Motor Handbook, 7th Edition Motor Comparison Tables – Imperial Bold sizes are used with Motor Performance Data in Section 10. Size Model Series Bit to Bend Pull to Re-Run Pull to Yield (in) 169 Black Max™ (lbf) (lbf) N/A 6,000 28,000 213 ST1 17 N/A 19,000 61,000 238 ST1 17 N/A 22,000 81,000 238 SR1 20 N/A 22,000 24,000 287 ST1 14 N/A 47,000 137,000 287 ST1 17 N/A 45,000 130,000 287 SR1 20 N/A 50,000 137,000 287 ST2H 24XH N/A 47,000 137,000 313 ST2 24X N/A 57,000 179,000 350 ST1 14 55.7 60,000 221,000 350 SR1 20 31.9 60,000 172,000 375 ST1 17 47.2 75,000 233,000 375 SR1 20 36.6 75,000 174,000 375 ST2 24 48.5 75,000 238,000 475 SR1 20 44.5 108,000 331,000 475 ST2 24 61.5 144,000 403,000 475 ST2 24X 65.5 144,000 403,000 475 ST2H 24XH 65.5 144,000 403,000 500 ST3 36 61.2 144,000 325,000 500 SR3 39 46.2 184,000 325,000 500 ML3 40 66.2 159,000 432,000 625 ST2 24 75.3 215,000 515,000 625 ST2 24X 79.3 215,000 515,000 625 ST2H 24XH 79.3 215,000 515,000 650 ST3 36 77.1 263,000 593,000 650 ML3 40 77.9 254,000 644,000 675 ST2 24 75.2 277,000 618,000 675 ST2 24X 79.2 277,000 618,000 675 ST2H 24XH 78.8 277,000 618,000 675 ST3 36 76.1 277,000 549,000 675 SR3 39 58.2 341,000 618,000 700 ML3 40 79.5 305,000 599,000 775 ST1 17 74.9 349,000 718,000 775 ST2 24 80.3 349,000 718,000 800 ST2 24 80.4 349,000 718,000 800 ST3 36 86.8 367,000 792,000 800 ML3 40 90.6 434,000 792,000 962 ST1 17 90.0 581,000 1,186,000 1,186,000 962 ST2 24X 92.7 581,000 962 ST2H 24XH 99.0 581,000 1,186,000 962 ST3 36 97.9 581,000 1,186,000 962 ML3 40 107.0 692,000 1,873,000 1125 ST2H 24 109.8 906,000 1,610,000 64
  • 69. Motor Performance Data Motor Comparison Tables – Metric Bold sizes are used with Motor Performance Data in Section 10. Size Model Series Bit to Bend Pull to Re-run Pull to Yield (m) 169 Black Max™ (daN) (daN) N/A 3,000 12,000 213 ST1 17 N/A 8,000 27,000 238 ST1 17 N/A 10,000 36,000 238 SR1 20 N/A 10,000 11,000 287 ST1 14 N/A 21,000 61,000 287 ST1 17 N/A 20,000 58,000 287 SR1 20 N/A 22,000 61,000 287 ST2H 24XH N/A 21,000 61,000 313 ST2 24X N/A 25,000 80,000 350 ST1 14 1.41 27,000 98,000 350 SR1 20 0.81 27,000 77,000 375 ST1 17 1.20 33,000 104,000 375 SR1 20 0.93 33,000 77,000 375 ST2 24 1.23 33,000 106,000 475 SR1 20 1.13 48,000 147,000 475 ST2 24 1.56 64,000 179,000 475 ST2 24X 1.66 64,000 179,000 475 ST2H 24XH 1.66 64,000 179,000 500 ST3 36 1.55 64,000 145,000 500 SR3 39 1.17 82,000 145,000 500 ML3 40 1.68 71,000 192,000 625 ST2 24 1.91 96,000 229,000 625 ST2 24X 2.01 96,000 229,000 625 ST2H 24XH 2.01 96,000 229,000 650 ST3 36 1.96 117,000 264,000 650 ML3 40 1.98 113,000 286,000 675 ST2 24 1.91 123,000 275,000 675 ST2 24X 2.01 123,000 275,000 675 ST2H 24XH 2.00 123,000 275,000 675 ST3 36 1.93 123,000 244,000 675 SR3 39 1.48 152,000 275,000 700 ML3 40 2.02 136,000 266,000 775 ST1 17 1.90 155,000 319,000 775 ST2 24 2.04 155,000 319,000 800 ST2 24 2.04 155,000 319,000 800 ST3 36 2.20 163,000 352,000 800 ML3 40 2.30 193,000 352,000 962 ST1 17 2.29 258,000 528,000 962 ST2 24 2.36 258,000 528,000 962 ST2H 24XH 2.51 258,000 528,000 962 ST3 36 2.49 258,000 528,000 962 ML3 40 2.72 308,000 833,000 1125 ST2H 24 2.79 403,000 716,000 65
  • 70. Motor Handbook, 7th Edition 10. Motor Performance Data Coiled Tubing Power Sections Power Section Page 1 11/16” 5/6 5.0 Stage CT 70 2 1/8” 5/6 6.0 Stage CT 71 2 7/8” 5/6 3.5 Stage CT 72 2 7/8” 5/6 3.5 Stage CT HEMI 73 Power Section 2 7/8” 5/6 4.7 Stage CT 2 7/8” 5/6 7.0 Stage CT 3 1/8” 7/8 3.0 Stage CT Page 74 75 76 Power Section 6 3/4” 6/7 5.0 Stage 6 3/4” 6/7 6.0 Stage 6 3/4” 7/8 2.0 Stage 6 3/4” 7/8 2.9 Stage 6 3/4” 7/8 3.0 Stage 6 3/4” 7/8 3.0 Stage SR3 6 3/4” 7/8 5.0 Stage 6 3/4” 7/8 5.0 Stage SR3 6 3/4” 7/8 5.7 Stage 6 3/4” 7/8 6.4 Stage 6 3/4” 8/9 3.0 Stage 7” 2/3 8.3 Stage 7” 7/8 6.0 Stage 7” 7/8 7.5 Stage 7 3/4” 4/5 3.6 Stage 7 3/4” 4/5 5.3 Stage 7 3/4” 5/6 5.0 Stage 7 3/4” 6/7 4.0 Stage 7 3/4” 7/8 2.0 Stage 7 3/4” 7/8 3.0 Stage 7 3/4” 7/8 4.0 Stage 8” 5/6 3.0 Stage 8” 6/7 5.0 Stage 9 5/8” 2/3 7.5 Stage 9 5/8” 3/4 4.5 Stage 9 5/8” 3/4 6.0 Stage 9 5/8” 5/6 3.0 Stage 9 5/8” 5/6 4.0 Stage 9 5/8” 6/7 5.0 Stage 9 5/8” 6/7 6.0 Stage 11 1/4” 3/4 3.6 Stage 11 1/4” 6/7 5.5 Stage 11 1/4” 6/7 5.6 Stage Page 146 148 150 152 154 156 158 160 162 164 166 168 170 172 174 176 178 180 182 184 186 188 190 192 194 196 198 200 202 204 206 208 210 Power Section 6 7/8" 7/8 3.0 Stage 6 7/8" 7/8 3.0 Stage SR3 6 7/8" 7/8 5.0 Stage 8" 7/8 4.0 Stage 9 5/8" 7/8 4.8 Stage 11 1/4" 7/8 4.8 Stage Page 226 228 230 232 234 236 Monoflo Power Sections Power Section 3 3/8” 4/5 5.0 Stage 3 3/8” 7/8 3.0 Stage 3 3/4” 4/5 3.5 Stage 3 3/4” 5/6 5.0 Stage 3 3/4” 6/7 3.0 Stage 3 3/4” 7/8 2.0 Stage 3 3/4” 7/8 2.3 Stage 4 3/4” 2/3 8.0 Stage 4 3/4” 4/5 3.5 Stage 4 3/4” 4/5 6.0 Stage 4 3/4” 4/5 6.3 Stage 4 3/4” 5/6 8.3 Stage 4 3/4” 7/8 2.0 Stage 4 3/4” 7/8 2.0 Stage SR3 4 3/4” 7/8 2.2 Stage 4 3/4” 7/8 2.2 Stage SR3 4 3/4” 7/8 2.6 Stage 4 3/4” 7/8 2.9 Stage 4 3/4” 7/8 3.8 Stage 4 3/4” 7/8 3.8 Stage SR3 5” 6/7 6.0 Stage 5” 6/7 7.0 Stage 5” 6/7 8.0 Stage 6 1/4” 4/5 7.5 Stage 6 1/4” 5/6 5.5 Stage 6 1/4” 7/8 2.8 Stage 6 1/4” 7/8 2.9 Stage 6 1/4” 7/8 4.8 Stage 6 1/2” 1/2 4.0 Stage 6 1/2” 8/9 4.0 Stage 6 3/4” 2/3 7.0 Stage 6 3/4” 4/5 4.8 Stage 6 3/4” 4/5 7.0 Stage 6 3/4” 5/6 6.8 Stage Page 78 80 82 84 86 88 90 92 94 96 98 100 102 104 106 108 110 112 114 116 118 120 122 124 126 128 130 132 134 136 138 140 142 144 HEMIDRIL Power Sections Power Section 2 7/8" 5/6 3.5 Stage CT 5" 4/5 6.3 Stage 5" 7/8 3.8 Stage 5” 7/8 3.8 Stage SR3 6 1/4" 7/8 2.9 Stage 6 1/4" 7/8 4.8 Stage 6 7/8" 7/8 2.9 Stage 66 Page 212 214 216 218 220 222 224
  • 71. Motor Performance Data How to Use Spec Pages The following pages contain the specifications and performance characteristics for NOV motors. Below is a description of the charts shown on these pages and comments on their use. As improvements are continuously being made, these specifications are subject to change without notice. All performance specifications are based on water at 70°F (21°C). Curves are generated using the latest generation of motor design available for that power section. Motor Dimensions Motor dimensions given for a specific power section are for the latest generation sealed bearing assembly that is available to use. To find comparison values, please refer to the Motor Comparison Tables on pages 64 & 65. Predicted Build Rates This table shows the predicted build rates, in degrees/100ft (degrees/30m), at various adjustable housing bend settings and two or three common hole sizes. Three motor configurations are shown. • SLICK - motors with no stabilization. • SINGLE STABILIZER - Motors with a single stabilizer on the bearing housing. Stabilizers are considered 1/8” undergauge. • TWO STABILIZERS - Motors with a stabilizer on the bearing housing as well as above the motor. Stabilizers are considered 1/8” undergauge. Using this configuration gives the most predictable build rates. Many factors (e.g. weight on bit, formation type, BHA, bit type, etc.) affect the actual build rate achieved. These build rates should therefore only be used as a guideline. It should be noted that motors set with high adjustable bend settings may be difficult or impossible to run into a straight hole or may produce high side loads on the bit resulting in difficulty starting the motor. Maximum Adjustable Bend Setting For Rotary Drilling This table shows the maximum bend setting, in degrees, for continuous rotation of the drillstring at various hole curvatures. Maximum bend settings were calculated on a static bending stress fatigue analysis. Note that the practice of alternating between rotating and sliding through a curve will create micro-doglegs that are higher than what may be shown on a survey report. Rotating with excessive bending loads for extended durations can cause fatigue housing fractures. Rotary speed should be decreased as necessary based on local conditions. Recommendations for offset pads and other configurations can be supplied upon request. Note: NOV recommends a maximum bend setting of 1.83° for rotary drilling. Recommended Operating Limits These values are the recommended limits for the power section: • Flow Range – The acceptable flow range through the power section. If more flow is required below the motor assembly, a nozzle can be used to bypass flow. See Nozzle Selection on page 47. • Revs per Unit Volume – The number of revolutions of the rotor per unit volume when no load is on the power section. • Speed – The output speed range of the power section with no load. See performance curves to determine output speed while drilling. • Approx Pressure Drop @ max flow – Pressure drop through motor when off bottom (no load). 67
  • 72. Motor Handbook, 7th Edition To calculate the total approximate pressure drop across the motor while drilling, add the Approximate Pressure Drop (No Load) to the expected Differential Operating Pressure. Please be advised that the values shown for Approximate Pressure Drop @ XXX gpm (No Load) are derived from test data of the motor power sections with water, plus an additional factor added to account for the other motor assemblies. These are useful primarily as a comparison between power sections, as the actual pressure drop across the complete motor will be affected by a number of factors such as power section fit, sub-assemblies used, downhole temperature, mud weight and viscosity, and flow rate. These values can be used to perform basic hydraulics calculations for well planning, but if critical to drilling performance, should be verified at the rig by surface testing. The suggested surface test would be to flow through the motor (no bit attached) at the desired flow rate, record the standpipe pressure (SPP), then subtract the calculated pressure loss of the surface equipment to determine the no-load pressure drop through the motor itself. Performance Output Performance comparison between standard elastomer and PowerPLUS elastomer. Standard Elastomer and PowerPLUS produce the same flow rate at their respective max recommended pressure. • Max Diff Pressure – The maximum recommended differential pressure for operating temperatures at or below 130°F (54°C). If operating temperatures are anticipated to be in excess of 130°F (54°C) refer to Figure 7: Max Pressure De-rating for Power Sections on page 39. Exceeding this value will significantly reduce the life of the stator. • Torque @ Max Pressure – Output torque of the power section at max pressure. PowerPLUS power sections can handle 1.5x more pressure than standard elastomer and therefore can output 1.5x more torque. Fit Information for All Elastomers This table shows what fits are available for the particular power section. See Power Section Fits on page 33 for information on how to correctly use power section fit options. Performance Curves The performance curve shown compares the output speed characteristics at high, mid and low flow rates for both a standard elastomer power section and the PowerPLUS elastomer version. Also shown is the output torque for the power section. Output torque is dependant only on pressure and power section profile so the same line is used for both elastomers. • Differential Operating Pressure in psi (kPa for metric) is shown on the horizontal axis. This is the difference between the actual recorded on-bottom (with load) and off-bottom (no load) pressures. • Motor Speed in RPM is shown on the left axis. • Motor Torque in lb-ft (N-m) is shown on the right axis. • Max Pressure is shown on the chart as a dashed vertical line. This is the maximum recommended load for continuous service. For flow rates in between those listed, interpolate an approximate point vertically between the 2 closest curves. 68
  • 73. Motor Performance Data Example: 4 ¾” 7/8 3.8 Stage PowerPLUS Power Section Given: Operating Pressure = 700 psi Flow Rate = 250 gpm Elastomer = PowerPLUS From the chart, the Torque and Output Speed can be determined: Torque = 3050 lb-ft Speed = 115 rpm Figure 10: Performance Curve Example 69
  • 74. 1 11/16” 5/6 5.0 Stage CT Specifications on this page are for a BM3 motor* C E Bit to Top Sub C 135 in (3.43 m) Max OD of Slick Motor w/ Straight Housing E 1.69 in (43 mm) Estimated Total Weight:       60 lbs (27 kg) NC12, AW-ROD, 1 1/4 REG, 1 1/4 AMMT Common Top Connection: Common Btm Connection: NC12, AW-ROD, 1 1/4 REG, 1 1/4 AMMT * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 45 gpm (No Load) 25 - 45 gpm 95 - 170 lpm 12.93 rev/gal 3.42 rev/L 323 - 582 rpm 200 psi 1400 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 728 psi 122 lb-ft 1092 psi 183 lb-ft 5019 kPa 165 N-m 7529 kPa 248 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 70
  • 75. 2 1/8” 5/6 6.0 Stage CT Specifications on this page are for a ST1 motor* C E Bit to Top Sub C 135 in (3.43 m) Max OD of Slick Motor w/ Straight Housing E 2.13 in (54 mm) Estimated Total Weight:     90 lbs (41 kg) Common Top Connection: 1 1/4 REG, BW-ROD, 1 1/2 AMMT Common Btm Connection: 1 1/4 REG, BW-ROD, 1 1/2 AMMT * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range   Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 50 gpm (No Load) 20 - 50 gpm 76 - 189 lpm 10.30 rev/gal 2.72 rev/L 206 - 515 rpm 200 psi 1400 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 871 psi 184 lb-ft 1307 psi 276 lb-ft 6005 kPa 249 N-m 9008 kPa 374 N-m [water @ 70°F (21°C)]** Differential Operating Pressure **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 71
  • 76. 2 7/8” 5/6 3.5 Stage CT Specifications on this page are for a ST3 motor* C E Bit to Top Sub C 154 in (3.92 m) Max OD of Slick Motor w/ Straight Housing E 2.88 in (73 mm) Estimated Total Weight:       200 lbs (91 kg) Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 120 gpm (No Load) 60 - 120 gpm 227 - 454 lpm 3.10 rev/gal 0.82 rev/L 186 - 372 rpm 300 psi 2050 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 505 psi 315 lb-ft 758 psi 473 lb-ft 3482 kPa 427 N-m 5223 kPa 641 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 72
  • 77. 2 7/8” 5/6 3.5 Stage CT HEMI Specifications on this page are for a ST3 motor* C E Bit to Top Sub C 155 in (3.94 m) Max OD of Slick Motor w/ Straight Housing E 2.88 in (73 mm) Estimated Total Weight:       200 lbs (91 kg) Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 120 gpm (No Load) 60 - 120 gpm 227 - 454 lpm 3.33 rev/gal 0.88 rev/L 200 - 400 rpm 150 psi 1050 kpa Performance Output HEMIDRIL Max Diff Pressure HEMIDRIL Torque @ Max Pressure Theoretical Performance Curve 883 psi 644 lb-ft 6088 kPa 873 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 73
  • 78. 2 7/8” 5/6 4.7 Stage CT Specifications on this page are for a ST3 motor* C E Bit to Top Sub C 161 in (4.09 m) Max OD of Slick Motor w/ Straight Housing E 2.88 in (73 mm) Estimated Total Weight:       210 lbs (95 kg) Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range   Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 125 gpm (No Load) 50 - 125 gpm 189 - 473 lpm 3.76 rev/gal 0.99 rev/L 188 - 470 rpm 250 psi 1700 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 680 psi 431 lb-ft 1020 psi 647 lb-ft 4688 kPa 585 N-m 7033 kPa 877 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 74
  • 79. 2 7/8” 5/6 7.0 Stage CT Specifications on this page are for a ST3 motor* C E Bit to Top Sub C 172 in (4.38 m) Max OD of Slick Motor w/ Straight Housing E 2.88 in (73 mm) Estimated Total Weight:       220 lbs (100 kg) Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 140 gpm (No Load) 20 - 80 gpm 76 - 303 lpm 5.28 rev/gal 1.39 rev/L 106 - 422 rpm 200 psi 1400 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 1020 psi 516 lb-ft 1530 psi 774 lb-ft 7033 kPa 700 N-m 10549 kPa 1049 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 75
  • 80. 3 1/8” 7/8 3.0 Stage CT Specifications on this page are for a ST2 motor* C E Bit to Top Sub C 174 in (4.43 m) Max OD of Slick Motor w/ Straight Housing E 3.13 in (80 mm) Estimated Total Weight:       270 lbs (122 kg) Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Recommended Operating Limits Flow Range Revs per Unit Volume (No Load) Speed (No Load)   Approx Press Drop @ 140 gpm (No Load) 80 - 140 gpm 303 - 530 lpm 1.80 rev/gal 0.47 rev/L 144 - 252 rpm 450 psi 3100 kpa Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Theoretical Performance Curve 460 psi 660 lb-ft 690 psi 989 lb-ft 3172 kPa 894 N-m 4757 kPa 1342 N-m [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 76
  • 81. 77
  • 82. 3 3/8” 4/5 5.0 Stage Specifications on this page are for an SR1 motor* B A C ® D E Alternate Stator Tube OD Available: 3 1/2 in (89 mm) Bit to Center of Stabilizer Blade A 9 in (0.23 m) Bit to Bend B 34 in (0.85 m) Bit to Top Sub C 178 in (4.52 m) Max OD of Motor at Upset for Stabilizer D 4.12 in (105 mm) Radius @ Adjusting Ring E 1.84 in (47 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 3.68 in (93 mm) Max OD of Slick Motor w/ Straight Housing 3.50 in (89 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     320 lbs (145 kg) Estimated Total Weight: Common Top Connection: 2 3/8 REG, 2 3/8 IF, 2 7/8 REG Common Btm Connection: 2 3/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 Deg 0.39° 2.3 2.2 2.2 2.3 2.6 3.0 0.78° 5.9 4.5 4.4 6.0 6.5 6.9 1.15° 9.6 6.7 6.5 9.8 10.2 10.5 1.50° 13.1 10.7 8.5 13.3 13.6 14.0 1.83° 16.7 14.4 12.2 16.7 16.9 17.3 2.12° 20.0 17.7 15.5 20.0 19.8 20.1 **2.25° 21.5 19.2 17.0 21.5 21.1 21.4 2.38° 23.0 20.7 18.5 23.0 22.4 22.7 2.60° 25.5 23.2 20.9 25.5 24.6 24.9 2.77° 27.5 25.1 22.9 27.5 26.3 26.6 2.89° 28.9 26.5 24.2 28.9 27.5 27.8 2.97° 29.8 27.4 25.1 29.8 28.3 28.6 3.00° 30.1 27.8 25.5 30.1 28.6 28.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-1/4 4-1/2 4-3/4 2.3 4.8 8.5 12.1 15.4 18.7 20.2 21.7 24.2 26.2 27.6 28.5 28.9 2.3 4.8 8.6 12.1 15.5 18.4 19.7 21.0 23.2 25.0 26.2 27.0 27.3 2.3 4.9 8.6 12.2 15.5 18.4 19.7 21.0 23.3 25.0 26.2 27.0 27.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 8.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 12.0° 1.83 1.83 1.83 1.83 1.15 1.15 1.83 1.15 1.15 16.0° 0.78 1.83 1.83 0.78 0.78 0.78 0.39 0.39 0.39 20.0° 0.39 1.83 1.83 0.39 0.39 0.39 0.00 0.00 0.00 24.0° 0.00 1.50 1.83 0.00 0.00 0.00 28.0° 1.15 1.50 32.0° 0.78 1.15 36.0° 0.39 0.78 40.0° 0.00 0.39 44.0° 0.00 48.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 78
  • 83. 3 3/8” 4/5 5.0 Recommended Operating Limits Flow Range   60 - 120 gpm Revs per Unit Volume (No Load) Speed (No Load) 227 - 454 lpm 3.43 rev/gal   0.899 rev/L 204 - 408 rpm Approx Press Drop @ 120 gpm (No Load) 400 psi 2750 kpa 750 psi 570 lb-ft 1125 psi 855 lb-ft 5171 kPa 773 N-m 7757 kPa 1159 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS      Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 79
  • 84. 3 3/8” 7/8 3.0 Stage Specifications on this page are for an SR1 motor* B A C ® D E Alternate Stator Tube OD Available: 3 1/2 in (89 mm) Bit to Center of Stabilizer Blade A 9 in (0.23 m) Bit to Bend B 34 in (0.85 m) Bit to Top Sub C 178 in (4.52 m) Max OD of Motor at Upset for Stabilizer D 4.12 in (105 mm) Radius @ Adjusting Ring E 1.84 in (47 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 3.68 in (93 mm) Max OD of Slick Motor w/ Straight Housing 3.50 in (89 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     320 lbs (145 kg) Estimated Total Weight: Common Top Connection: 2 3/8 REG, 2 3/8 IF, 2 7/8 REG Common Btm Connection: 2 3/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 Deg 0.39° 2.3 2.2 2.2 2.3 2.6 3.0 0.78° 5.9 4.5 4.4 6.0 6.5 6.9 1.15° 9.6 6.7 6.5 9.8 10.2 10.5 1.50° 13.1 10.7 8.5 13.3 13.6 14.0 1.83° 16.7 14.4 12.2 16.7 16.9 17.3 2.12° 20.0 17.7 15.5 20.0 19.8 20.1 **2.25° 21.5 19.2 17.0 21.5 21.1 21.4 2.38° 23.0 20.7 18.5 23.0 22.4 22.7 2.60° 25.5 23.2 20.9 25.5 24.6 24.9 2.77° 27.5 25.1 22.9 27.5 26.3 26.6 2.89° 28.9 26.5 24.2 28.9 27.5 27.8 2.97° 29.8 27.4 25.1 29.8 28.3 28.6 3.00° 30.1 27.8 25.5 30.1 28.6 28.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-1/4 4-1/2 4-3/4 2.3 4.8 8.5 12.1 15.4 18.7 20.2 21.7 24.2 26.2 27.6 28.5 28.9 2.3 4.8 8.6 12.1 15.5 18.4 19.7 21.0 23.2 25.0 26.2 27.0 27.3 2.3 4.9 8.6 12.2 15.5 18.4 19.7 21.0 23.3 25.0 26.2 27.0 27.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 4-1/4 4-1/2 4-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 8.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 12.0° 1.83 1.83 1.83 1.83 1.15 1.15 1.83 1.15 1.15 16.0° 0.78 1.83 1.83 0.78 0.78 0.78 0.39 0.39 0.39 20.0° 0.39 1.83 1.83 0.39 0.39 0.39 0.00 0.00 0.00 24.0° 0.00 1.50 1.83 0.00 0.00 0.00 28.0° 1.15 1.50 32.0° 0.78 1.15 36.0° 0.39 0.78 40.0° 0.00 0.39 44.0° 0.00 48.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 80
  • 85. 3 3/8” 7/8 3.0 Recommended Operating Limits Flow Range   60 - 120 gpm Revs per Unit Volume (No Load) Speed (No Load) 227 - 454 lpm 1.56 rev/gal   0.413 rev/L 94 - 188 rpm Approx Press Drop @ 120 gpm (No Load) 350 psi 2400 kpa 460 psi 782 lb-ft 690 psi 1173 lb-ft 3172 kPa 1060 N-m 4757 kPa 1590 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS      Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 81
  • 86. 3 3/4” 4/5 3.5 Stage Specifications on this page are for an ST2 motor* B A C ® D E Alternate Stator Tube OD Available: 3 5/8 in (92 mm) Bit to Center of Stabilizer Blade A 18 in (0.45 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 225 in (5.71 m) Max OD of Motor at Upset for Stabilizer D 4.37 in (111 mm) Radius @ Adjusting Ring E 2.09 in (53 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 4.18 in (106 mm) Max OD of Slick Motor w/ Straight Housing 3.75 in (95 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     490 lbs (222 kg) Estimated Total Weight: Common Top Connection: 2 3/8 IF, 2 7/8 REG, 2 7/8 H-90 Common Btm Connection: 2 7/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 Deg 0.39° 1.8 1.8 1.8 2.6 3.4 3.8 0.78° 5.0 3.6 3.5 5.8 6.5 6.9 1.15° 8.4 5.2 5.2 8.7 9.4 9.8 1.50° 11.7 7.8 6.8 11.7 12.2 12.5 1.83° 14.7 10.8 9.0 14.7 14.8 15.1 2.12° 17.4 13.5 11.6 17.4 17.1 17.4 **2.25° 18.6 14.7 12.8 18.6 18.2 18.4 2.38° 19.8 15.8 13.9 19.8 19.2 19.4 2.60° 21.9 17.8 15.9 21.9 20.9 21.1 2.77° 23.4 19.4 17.5 23.4 22.3 22.5 2.89° 24.6 20.5 18.5 24.6 23.2 23.4 2.97° 25.3 21.2 19.3 25.3 23.9 24.1 3.00° 25.6 21.5 19.5 25.6 24.1 24.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-3/4 5-1/2 5-7/8 1.9 4.8 7.9 10.7 13.8 16.6 17.8 19.0 21.1 22.7 23.8 24.6 24.9 1.8 4.9 7.9 10.7 13.4 15.8 16.9 17.9 19.7 21.1 22.1 22.7 23.0 1.8 4.9 7.9 10.8 13.4 15.8 16.9 17.9 19.7 21.1 22.1 22.7 23.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 8.0° 1.83 1.83 1.83 1.83 1.15 1.15 1.83 0.78 0.78 12.0° 1.83 1.83 1.83 0.39 0.78 0.78 0.39 0.39 0.39 16.0° 1.50 1.83 1.83 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 1.15 1.83 1.83 0.00 24.0° 0.78 1.15 1.50 28.0° 0.39 0.78 1.15 32.0° 0.00 0.39 0.78 36.0° 0.00 0.39 40.0° 0.00 44.0° 48.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 82
  • 87. 3 3/4” 4/5 3.5 Recommended Operating Limits Flow Range   80 - 160 gpm Revs per Unit Volume (No Load) Speed (No Load) 303 - 606 lpm 1.56 rev/gal   0.412 rev/L 125 - 250 rpm Approx Press Drop @ 160 gpm (No Load) 250 psi 1700 kpa 520 psi 918 lb-ft 780 psi 1377 lb-ft 3585 kPa 1244 N-m 5378 kPa 1867 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS   Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 83
  • 88. 3 3/4” 5/6 5.0 Stage Specifications on this page are for an ST2 motor* B A C ® D E Alternate Stator Tube OD Available: 3 5/8 in (92 mm) Bit to Center of Stabilizer Blade A 18 in (0.45 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 264 in (6.70 m) Max OD of Motor at Upset for Stabilizer D 4.37 in (111 mm) Radius @ Adjusting Ring E 2.09 in (53 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 4.18 in (106 mm) Max OD of Slick Motor w/ Straight Housing 3.75 in (95 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     580 lbs (263 kg) Estimated Total Weight: Common Top Connection: 2 3/8 IF, 2 7/8 REG, 2 7/8 H-90 Common Btm Connection: 2 7/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 Deg 0.39° 1.6 1.6 1.5 2.2 2.8 3.1 0.78° 4.2 3.1 3.1 5.0 5.6 5.8 1.15° 7.2 4.6 4.5 7.6 8.2 8.4 1.50° 10.0 6.7 5.9 10.2 10.6 10.9 1.83° 12.7 9.4 7.8 12.7 13.0 13.2 2.12° 15.0 11.7 10.0 15.0 15.0 15.2 **2.25° 16.1 12.7 11.1 16.1 15.9 16.1 2.38° 17.1 13.7 12.1 17.1 16.8 17.0 2.60° 18.9 15.5 13.8 18.9 18.4 18.6 2.77° 20.3 16.8 15.1 20.3 19.6 19.7 2.89° 21.3 17.8 16.1 21.3 20.4 20.6 2.97° 21.9 18.4 16.7 21.9 21.0 21.1 3.00° 22.1 18.6 17.0 22.1 21.2 21.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-3/4 5-1/2 5-7/8 1.6 4.3 7.0 9.5 12.1 14.4 15.5 16.6 18.4 19.8 20.7 21.4 21.6 1.6 4.4 7.0 9.6 11.9 14.0 15.0 15.9 17.5 18.7 19.6 20.2 20.4 1.6 4.4 7.0 9.6 11.9 14.0 15.0 15.9 17.5 18.7 19.6 20.2 20.4 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 7.0° 1.83 1.83 1.83 1.83 1.15 1.50 1.83 1.15 1.15 10.5° 1.83 1.83 1.83 0.78 0.78 0.78 1.83 0.78 0.78 14.0° 1.83 1.83 1.83 0.39 0.39 0.39 0.39 0.00 0.00 17.5° 1.50 1.83 1.83 0.00 0.00 0.00 21.0° 0.78 1.50 1.83 24.5° 0.39 1.15 1.50 28.0° 0.00 0.78 1.15 31.5° 0.39 0.78 35.0° 0.00 0.39 38.5° 0.00 42.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 84
  • 89. 3 3/4” 5/6 5.0 Recommended Operating Limits Flow Range   100 - 160 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 606 lpm 1.51 rev/gal   0.4 rev/L 151 - 242 rpm Approx Press Drop @ 160 gpm (No Load) 250 psi 1700 kpa 725 psi 1055 lb-ft 1088 psi 1582 lb-ft 4999 kPa 1430 N-m 7498 kPa 2145 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD Availability OS 2xOS   Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 85
  • 90. 3 3/4” 6/7 3.0 Stage Specifications on this page are for an ST2 motor* B A C ® D E Alternate Stator Tube OD Available: 3 7/8 in (98 mm) Bit to Center of Stabilizer Blade A 18 in (0.45 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 244 in (6.19 m) Max OD of Motor at Upset for Stabilizer D 4.37 in (111 mm) Radius @ Adjusting Ring E 2.09 in (53 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 4.18 in (106 mm) Max OD of Slick Motor w/ Straight Housing 3.75 in (95 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     530 lbs (240 kg) Estimated Total Weight: Common Top Connection: 2 3/8 IF, 2 7/8 REG, 2 7/8 H-90 Common Btm Connection: 2 7/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 Deg 0.39° 1.7 1.7 1.6 2.4 3.1 3.4 0.78° 4.6 3.3 3.3 5.4 6.0 6.3 1.15° 7.8 4.9 4.8 8.2 8.8 9.1 1.50° 10.8 7.3 6.3 10.8 11.4 11.7 1.83° 13.7 10.1 8.3 13.7 13.9 14.1 2.12° 16.2 12.5 10.8 16.2 16.0 16.2 **2.25° 17.3 13.6 11.9 17.3 17.0 17.2 2.38° 18.4 14.7 13.0 18.4 18.0 18.2 2.60° 20.3 16.6 14.8 20.3 19.6 19.8 2.77° 21.8 18.0 16.2 21.8 20.9 21.1 2.89° 22.8 19.1 17.3 22.8 21.8 21.9 2.97° 23.5 19.7 17.9 23.5 22.4 22.5 3.00° 23.8 20.0 18.2 23.8 22.6 22.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-3/4 5-1/2 5-7/8 1.7 4.6 7.4 10.1 12.9 15.4 16.6 17.7 19.7 21.2 22.2 22.9 23.2 1.7 4.6 7.4 10.1 12.7 14.9 15.9 16.9 18.6 19.9 20.8 21.4 21.6 1.7 4.6 7.5 10.1 12.7 14.9 15.9 16.9 18.6 19.9 20.8 21.4 21.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 7.0° 1.83 1.83 1.83 1.83 1.15 1.50 1.83 1.15 1.15 10.5° 1.83 1.83 1.83 1.83 0.78 0.78 1.83 0.78 0.78 14.0° 1.83 1.83 1.83 0.39 0.39 0.39 0.39 0.00 0.00 17.5° 1.15 1.83 1.83 0.00 0.00 0.00 21.0° 0.78 1.50 1.83 24.5° 0.39 1.15 1.50 28.0° 0.39 0.78 1.15 31.5° 0.00 0.39 0.78 35.0° 0.00 0.39 38.5° 0.00 42.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 86
  • 91. 3 3/4” 6/7 3.0 Recommended Operating Limits Flow Range   80 - 200 gpm Revs per Unit Volume (No Load) Speed (No Load) 303 - 757 lpm 0.8 rev/gal   0.211 rev/L 64 - 160 rpm Approx Press Drop @ 200 gpm (No Load) 350 psi 2400 kpa 440 psi 1314 lb-ft 660 psi 1971 lb-ft 3034 kPa 1781 N-m 4551 kPa 2672 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS   Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 87
  • 92. 3 3/4” 7/8 2.0 Stage Specifications on this page are for an ST2 motor* B A C ® D E Alternate Stator Tube OD Available: 3 7/8 in (98 mm) Bit to Center of Stabilizer Blade A 18 in (0.45 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 244 in (6.19 m) Max OD of Motor at Upset for Stabilizer D 4.37 in (111 mm) Radius @ Adjusting Ring E 2.09 in (53 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 4.18 in (106 mm) Max OD of Slick Motor w/ Straight Housing 3.75 in (95 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     530 lbs (240 kg) Estimated Total Weight: Common Top Connection: 2 3/8 IF, 2 7/8 REG, 2 7/8 H-90 Common Btm Connection: 2 7/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 Deg 0.39° 1.7 1.7 1.6 2.4 3.1 3.4 0.78° 4.6 3.3 3.3 5.4 6.0 6.3 1.15° 7.8 4.9 4.8 8.2 8.8 9.1 1.50° 10.8 7.3 6.3 10.8 11.4 11.7 1.83° 13.7 10.1 8.3 13.7 13.9 14.1 2.12° 16.2 12.5 10.8 16.2 16.0 16.2 **2.25° 17.3 13.6 11.9 17.3 17.0 17.2 2.38° 18.4 14.7 13.0 18.4 18.0 18.2 2.60° 20.3 16.6 14.8 20.3 19.6 19.8 2.77° 21.8 18.0 16.2 21.8 20.9 21.1 2.89° 22.8 19.1 17.3 22.8 21.8 21.9 2.97° 23.5 19.7 17.9 23.5 22.4 22.5 3.00° 23.8 20.0 18.2 23.8 22.6 22.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-3/4 5-1/2 5-7/8 1.7 4.6 7.4 10.1 12.9 15.4 16.6 17.7 19.7 21.2 22.2 22.9 23.2 1.7 4.6 7.4 10.1 12.7 14.9 15.9 16.9 18.6 19.9 20.8 21.4 21.6 1.7 4.6 7.5 10.1 12.7 14.9 15.9 16.9 18.6 19.9 20.8 21.4 21.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 7.0° 1.83 1.83 1.83 1.83 1.15 1.50 1.83 1.15 1.15 10.5° 1.83 1.83 1.83 1.83 0.78 0.78 1.83 0.78 0.78 14.0° 1.83 1.83 1.83 0.39 0.39 0.39 0.39 0.00 0.00 17.5° 1.15 1.83 1.83 0.00 0.00 0.00 21.0° 0.78 1.50 1.83 24.5° 0.39 1.15 1.50 28.0° 0.39 0.78 1.15 31.5° 0.00 0.39 0.78 35.0° 0.00 0.39 38.5° 0.00 42.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 88
  • 93. 3 3/4” 7/8 2.0 Recommended Operating Limits Flow Range   100 - 160 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 606 lpm 0.56 rev/gal   0.147 rev/L 56 - 89 rpm Approx Press Drop @ 160 gpm (No Load) 350 psi 2400 kpa 295 psi 1311 lb-ft 443 psi 1967 lb-ft 2034 kPa 1778 N-m 3051 kPa 2667 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS   Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 89
  • 94. 3 3/4” 7/8 2.3 Stage Specifications on this page are for an ST2 motor* B A C ® D E Alternate Stator Tube OD Available: 3 5/8 in (92 mm) Bit to Center of Stabilizer Blade A 18 in (0.45 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 225 in (5.71 m) Max OD of Motor at Upset for Stabilizer D 4.37 in (111 mm) Radius @ Adjusting Ring E 2.09 in (53 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 4.18 in (106 mm) Max OD of Slick Motor w/ Straight Housing 3.75 in (95 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     490 lbs (222 kg) Estimated Total Weight: Common Top Connection: 2 3/8 IF, 2 7/8 REG, 2 7/8 H-90 Common Btm Connection: 2 7/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 Deg 0.39° 1.8 1.8 1.8 2.6 3.4 3.8 0.78° 5.0 3.6 3.5 5.8 6.5 6.9 1.15° 8.4 5.2 5.2 8.7 9.4 9.8 1.50° 11.7 7.8 6.8 11.7 12.2 12.5 1.83° 14.7 10.8 9.0 14.7 14.8 15.1 2.12° 17.4 13.5 11.6 17.4 17.1 17.4 **2.25° 18.6 14.7 12.8 18.6 18.2 18.4 2.38° 19.8 15.8 13.9 19.8 19.2 19.4 2.60° 21.9 17.8 15.9 21.9 20.9 21.1 2.77° 23.4 19.4 17.5 23.4 22.3 22.5 2.89° 24.6 20.5 18.5 24.6 23.2 23.4 2.97° 25.3 21.2 19.3 25.3 23.9 24.1 3.00° 25.6 21.5 19.5 25.6 24.1 24.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 4-3/4 5-1/2 5-7/8 1.9 4.8 7.9 10.7 13.8 16.6 17.8 19.0 21.1 22.7 23.8 24.6 24.9 1.8 4.9 7.9 10.7 13.4 15.8 16.9 17.9 19.7 21.1 22.1 22.7 23.0 1.8 4.9 7.9 10.8 13.4 15.8 16.9 17.9 19.7 21.1 22.1 22.7 23.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 4-3/4 5-1/2 5-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 8.0° 1.83 1.83 1.83 1.83 1.15 1.15 1.83 0.78 0.78 12.0° 1.83 1.83 1.83 0.39 0.78 0.78 0.39 0.39 0.39 16.0° 1.50 1.83 1.83 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 1.15 1.83 1.83 0.00 24.0° 0.78 1.15 1.50 28.0° 0.39 0.78 1.15 32.0° 0.00 0.39 0.78 36.0° 0.00 0.39 40.0° 0.00 44.0° 48.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 90
  • 95. 3 3/4” 7/8 2.3 Recommended Operating Limits Flow Range   100 - 160 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 606 lpm 0.76 rev/gal   0.201 rev/L 76 - 122 rpm Approx Press Drop @ 160 gpm (No Load) 350 psi 2400 kpa 350 psi 1124 lb-ft 525 psi 1686 lb-ft 2413 kPa 1524 N-m 3620 kPa 2286 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS     Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 91
  • 96. 4 3/4” 2/3 8.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 358 in (9.09 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1260 lbs (572 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.6 1.2 1.2 1.8 1.9 2.1 0.78° 4.0 3.3 2.3 4.0 4.0 4.2 1.15° 6.2 5.5 4.3 6.2 5.9 6.1 1.50° 8.3 7.6 6.3 8.3 7.8 8.0 1.83° 10.3 9.6 8.3 10.3 9.6 9.7 2.12° 12.0 11.3 10.0 12.0 11.3 11.2 **2.25° 12.8 12.1 10.8 12.8 12.1 11.9 2.38° 13.6 12.9 11.5 13.6 12.9 12.6 2.60° 14.9 14.2 12.8 14.9 14.2 13.8 2.77° 15.9 15.2 13.8 15.9 15.2 14.7 2.89° 16.6 15.9 14.5 16.6 15.9 15.3 2.97° 17.1 16.4 15.0 17.1 16.4 15.7 3.00° 17.3 16.6 15.2 17.3 16.6 15.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.3 3.5 5.8 7.9 10.0 11.8 12.6 13.4 14.7 15.8 16.5 17.0 17.2 1.3 3.4 5.5 7.4 9.2 11.0 11.8 12.6 13.9 15.0 15.7 16.2 16.4 1.3 3.4 5.5 7.4 9.2 10.8 11.5 12.2 13.4 14.3 15.0 15.4 15.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.50 8.0° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.50 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.00 0.39 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.39 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 92
  • 97. 4 3/4” 2/3 8.0 Recommended Operating Limits Flow Range   100 - 260 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 984 lpm 1.99 rev/gal   0.524 rev/L 199 - 516 rpm Approx Press Drop @ 260 gpm (No Load) 300 psi 2050 kpa 1135 psi 1428 lb-ft 1703 psi 2142 lb-ft 7826 kPa 1936 N-m 11738 kPa 2904 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS     Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 93
  • 98. 4 3/4” 4/5 3.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 225 in (5.71 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     790 lbs (358 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.9 1.9 1.7 2.9 3.1 3.6 0.78° 6.4 5.4 3.5 6.4 6.0 6.5 1.15° 9.7 8.7 6.7 9.7 8.8 9.2 1.50° 12.9 11.8 9.8 12.9 11.8 11.7 1.83° 15.8 14.8 12.7 15.8 14.8 14.2 2.12° 18.4 17.4 15.3 18.4 17.4 16.3 **2.25° 19.6 18.5 16.4 19.6 18.5 17.2 2.38° 20.8 19.7 17.6 20.8 19.7 18.2 2.60° 22.7 21.6 19.5 22.7 21.6 19.8 2.77° 24.3 23.1 21.0 24.3 23.1 21.0 2.89° 25.3 24.2 22.1 25.3 24.2 22.1 2.97° 26.0 24.9 22.8 26.0 24.9 22.8 3.00° 26.3 25.2 23.0 26.3 25.2 23.0 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.8 5.1 8.6 11.9 15.0 17.7 19.0 20.2 22.3 23.8 25.0 25.7 26.0 1.8 4.7 7.6 10.5 13.6 16.4 17.6 18.8 20.9 22.5 23.6 24.4 24.6 1.8 4.7 7.6 10.3 12.8 15.0 16.0 17.0 18.7 20.0 21.0 21.6 21.9 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.50 5.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.15 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.50 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 0.78 0.78 0.78 0.78 12.5° 0.78 0.78 1.15 0.78 0.39 0.78 0.39 0.39 0.39 15.0° 0.39 0.78 1.15 0.39 0.39 0.39 0.00 0.00 0.00 17.5° 0.00 0.39 0.78 0.00 0.00 0.00 20.0° 0.00 0.00 0.39 22.5° 0.00 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 94
  • 99. 4 3/4” 4/5 3.5 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 1.07 rev/gal   0.282 rev/L 107 - 267 rpm Approx Press Drop @ 250 gpm (No Load) 250 psi 1700 kpa 520 psi 1218 lb-ft 780 psi 1827 lb-ft 3585 kPa 1651 N-m 5378 kPa 2477 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 95
  • 100. 4 3/4” 4/5 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 290 in (7.36 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1020 lbs (463 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.1 1.4 1.4 2.2 2.4 2.7 0.78° 4.9 4.1 2.8 4.9 4.8 5.1 1.15° 7.6 6.8 5.2 7.6 7.1 7.4 1.50° 10.1 9.3 7.7 10.1 9.3 9.5 1.83° 12.5 11.7 10.1 12.5 11.7 11.6 2.12° 14.6 13.8 12.1 14.6 13.8 13.4 **2.25° 15.5 14.7 13.1 15.5 14.7 14.2 2.38° 16.5 15.6 14.0 16.5 15.6 15.0 2.60° 18.1 17.2 15.5 18.1 17.2 16.3 2.77° 19.3 18.4 16.8 19.3 18.4 17.4 2.89° 20.2 19.3 17.6 20.2 19.3 18.1 2.97° 20.7 19.9 18.2 20.7 19.9 18.6 3.00° 21.0 20.1 18.4 21.0 20.1 18.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.5 4.2 7.0 9.6 12.1 14.2 15.2 16.2 17.8 19.1 20.0 20.6 20.8 1.5 4.0 6.4 8.6 11.0 13.2 14.2 15.2 16.8 18.1 19.0 19.6 19.8 1.5 4.0 6.4 8.6 10.8 12.6 13.5 14.3 15.7 16.8 17.6 18.1 18.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 6.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.50 1.50 1.50 8.0° 1.15 1.15 1.83 1.15 1.15 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 0.78 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.78 0.00 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.00 0.39 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 96
  • 101. 4 3/4” 4/5 6.0 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 1.01 rev/gal   0.268 rev/L 101 - 253 rpm Approx Press Drop @ 250 gpm (No Load) 250 psi 1700 kpa 840 psi 2011 lb-ft 1260 psi 3016 lb-ft 5792 kPa 2726 N-m 8687 kPa 4090 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 97
  • 102. 4 3/4” 4/5 6.3 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 310 in (7.87 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1090 lbs (494 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.9 1.3 1.3 2.1 2.2 2.5 0.78° 4.6 3.9 2.6 4.6 4.5 4.8 1.15° 7.1 6.4 4.9 7.1 6.7 7.0 1.50° 9.5 8.7 7.3 9.5 8.8 9.0 1.83° 11.8 11.0 9.5 11.8 11.0 10.9 2.12° 13.7 12.9 11.4 13.7 12.9 12.7 **2.25° 14.6 13.8 12.3 14.6 13.8 13.4 2.38° 15.5 14.7 13.2 15.5 14.7 14.2 2.60° 17.0 16.2 14.6 17.0 16.2 15.5 2.77° 18.2 17.4 15.8 18.2 17.4 16.5 2.89° 19.0 18.2 16.6 19.0 18.2 17.2 2.97° 19.5 18.7 17.1 19.5 18.7 17.6 3.00° 19.7 18.9 17.3 19.7 18.9 17.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.4 4.0 6.6 9.0 11.4 13.4 14.3 15.2 16.8 18.0 18.8 19.4 19.6 1.4 3.8 6.1 8.2 10.4 12.5 13.4 14.3 15.9 17.0 17.9 18.5 18.7 1.4 3.8 6.1 8.2 10.2 12.0 12.8 13.6 15.0 16.0 16.7 17.2 17.4 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.50 1.50 1.50 8.0° 1.15 1.50 1.83 1.15 1.50 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 0.78 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.78 0.00 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.00 0.39 20.0° 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 98
  • 103. 4 3/4” 4/5 6.3 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 1.01 rev/gal   0.268 rev/L 101 - 253 rpm Approx Press Drop @ 250 gpm (No Load) 250 psi 1700 kpa 955 psi 2286 lb-ft 1433 psi 3429 lb-ft 6584 kPa 3100 N-m 9877 kPa 4650 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 99
  • 104. 4 3/4” 5/6 8.3 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 345 in (8.77 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1210 lbs (549 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.7 1.2 1.2 1.8 2.0 2.2 0.78° 4.1 3.5 2.4 4.1 4.1 4.3 1.15° 6.4 5.7 4.4 6.4 6.1 6.3 1.50° 8.6 7.9 6.5 8.6 8.0 8.2 1.83° 10.6 9.9 8.6 10.6 9.9 10.0 2.12° 12.4 11.7 10.3 12.4 11.7 11.6 **2.25° 13.2 12.5 11.1 13.2 12.5 12.3 2.38° 14.0 13.3 11.9 14.0 13.3 13.0 2.60° 15.4 14.7 13.3 15.4 14.7 14.2 2.77° 16.4 15.7 14.3 16.4 15.7 15.1 2.89° 17.2 16.4 15.0 17.2 16.4 15.7 2.97° 17.7 16.9 15.5 17.7 16.9 16.2 3.00° 17.9 17.1 15.7 17.9 17.1 16.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.3 3.6 6.0 8.2 10.3 12.2 13.0 13.8 15.2 16.3 17.1 17.6 17.8 1.3 3.5 5.6 7.6 9.5 11.3 12.2 13.0 14.4 15.5 16.2 16.8 16.9 1.3 3.5 5.6 7.6 9.4 11.1 11.8 12.5 13.8 14.7 15.4 15.8 16.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 8.0° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.39 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.39 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 100
  • 105. 4 3/4” 5/6 8.3 Recommended Operating Limits Flow Range   150 - 300 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1136 lpm 1.09 rev/gal   0.287 rev/L 163 - 326 rpm Approx Press Drop @ 300 gpm (No Load) 650 psi 4500 kpa 1190 psi 3207 lb-ft 1785 psi 4811 lb-ft 8205 kPa 4348 N-m 12307 kPa 6522 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 101
  • 106. 4 3/4” 7/8 2.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 283 in (7.18 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     990 lbs (449 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.2 1.4 1.4 2.3 2.4 2.8 0.78° 5.0 4.2 2.8 5.0 4.9 5.2 1.15° 7.8 7.0 5.4 7.8 7.2 7.5 1.50° 10.4 9.5 7.9 10.4 9.5 9.7 1.83° 12.8 12.0 10.3 12.8 12.0 11.8 2.12° 14.9 14.1 12.4 14.9 14.1 13.6 **2.25° 15.9 15.0 13.4 15.9 15.0 14.4 2.38° 16.9 16.0 14.3 16.9 16.0 15.3 2.60° 18.5 17.6 15.9 18.5 17.6 16.6 2.77° 19.7 18.8 17.1 19.7 18.8 17.7 2.89° 20.6 19.7 18.0 20.6 19.7 18.4 2.97° 21.2 20.3 18.6 21.2 20.3 19.0 3.00° 21.4 20.5 18.8 21.4 20.5 19.1 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.5 4.3 7.1 9.8 12.3 14.5 15.5 16.5 18.2 19.5 20.4 21.0 21.3 1.5 4.1 6.5 8.8 11.3 13.5 14.5 15.5 17.2 18.5 19.4 20.0 20.2 1.5 4.1 6.5 8.8 11.0 12.9 13.7 14.6 16.0 17.1 17.9 18.4 18.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 6.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.15 1.50 1.50 8.0° 1.15 1.15 1.83 1.15 1.15 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 0.78 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.78 0.00 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.00 0.39 0.00 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 102
  • 107. 4 3/4” 7/8 2.0 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.32 rev/gal   0.085 rev/L 32 - 80 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 280 psi 806 lb-ft 420 psi 2709 lb-ft 1931 kPa 2448 N-m 2896 kPa 3672 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 103
  • 108. 4 3/4” 7/8 2.0 Stage SR3 Specifications on this page are for an SR3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 21 in (0.53 m) Bit to Bend B 46 in (1.17 m) Bit to Top Sub C 268 in (6.79 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.56 in (141 mm) Bit to Max Slick OD w/ Straight Housing 6.70 in (170 mm)     940 lbs (426 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.9 1.5 1.5 2.6 2.8 3.1 0.78° 4.9 3.8 3.0 5.3 5.5 5.8 1.15° 7.7 6.7 4.5 7.9 8.1 8.4 1.50° 10.4 9.3 7.2 10.4 10.5 10.8 1.83° 13.0 11.9 9.7 13.0 12.8 13.1 2.12° 15.2 14.1 11.9 15.2 14.9 15.1 **2.25° 16.2 15.1 12.9 16.2 15.8 16.0 2.38° 17.2 16.1 13.9 17.2 16.7 16.9 2.60° 18.9 17.8 15.6 18.9 18.2 18.4 2.77° 20.3 19.1 16.9 20.3 19.4 19.6 2.89° 21.2 20.0 17.8 21.2 20.3 20.4 2.97° 21.8 20.6 18.4 21.8 20.8 21.0 3.00° 22.0 20.9 18.6 22.0 21.0 21.2 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.8 4.6 7.3 9.8 12.5 14.8 15.9 16.9 18.7 20.1 21.0 21.7 21.9 1.8 4.6 7.3 9.8 12.2 14.4 15.3 16.3 17.9 19.1 20.0 20.5 20.8 1.8 4.6 7.3 9.8 12.2 14.4 15.3 16.2 17.8 19.1 19.9 20.5 20.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 7.5° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 1.15 12.5° 0.78 0.78 1.15 0.78 0.78 0.78 0.78 0.78 0.78 15.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.39 0.39 17.5° 0.00 0.39 0.78 0.00 0.00 0.39 0.00 0.00 0.00 20.0° 0.00 0.39 0.00 0.00 0.00 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 104
  • 109. 4 3/4” Short Radius 7/8 2.0 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.32 rev/gal   0.085 rev/L 32 - 80 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 280 psi 1806 lb-ft 420 psi 2709 lb-ft 1931 kPa 2448 N-m 2896 kPa 3672 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 105
  • 110. 4 3/4” 7/8 2.2 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 225 in (5.71 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     790 lbs (358 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.9 1.9 1.7 2.9 3.1 3.6 0.78° 6.4 5.4 3.5 6.4 6.0 6.5 1.15° 9.7 8.7 6.7 9.7 8.8 9.2 1.50° 12.9 11.8 9.8 12.9 11.8 11.7 1.83° 15.8 14.8 12.7 15.8 14.8 14.2 2.12° 18.4 17.4 15.3 18.4 17.4 16.3 **2.25° 19.6 18.5 16.4 19.6 18.5 17.2 2.38° 20.8 19.7 17.6 20.8 19.7 18.2 2.60° 22.7 21.6 19.5 22.7 21.6 19.8 2.77° 24.3 23.1 21.0 24.3 23.1 21.0 2.89° 25.3 24.2 22.1 25.3 24.2 22.1 2.97° 26.0 24.9 22.8 26.0 24.9 22.8 3.00° 26.3 25.2 23.0 26.3 25.2 23.0 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.8 5.1 8.6 11.9 15.0 17.7 19.0 20.2 22.3 23.8 25.0 25.7 26.0 1.8 4.7 7.6 10.5 13.6 16.4 17.6 18.8 20.9 22.5 23.6 24.4 24.6 1.8 4.7 7.6 10.3 12.8 15.0 16.0 17.0 18.7 20.0 21.0 21.6 21.9 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.50 5.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.15 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.50 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 0.78 0.78 0.78 0.78 12.5° 0.78 0.78 1.15 0.78 0.39 0.78 0.39 0.39 0.39 15.0° 0.39 0.78 1.15 0.39 0.39 0.39 0.00 0.00 0.00 17.5° 0.00 0.39 0.78 0.00 0.00 0.00 20.0° 0.00 0.00 0.39 22.5° 0.00 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 106
  • 111. 4 3/4” 7/8 2.2 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.55 rev/gal   0.145 rev/L 55 - 137 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 335 psi 1479 lb-ft 503 psi 2219 lb-ft 2310 kPa 2006 N-m 3465 kPa 3009 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 107
  • 112. 4 3/4” 7/8 2.2 Stage SR3 Specifications on this page are for an SR3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 21 in (0.53 m) Bit to Bend B 46 in (1.17 m) Bit to Top Sub C 210 in (5.32 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.56 in (141 mm) Bit to Max Slick OD w/ Straight Housing 6.70 in (170 mm)     740 lbs (336 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.5 1.9 1.8 3.4 3.6 4.2 0.78° 6.2 4.9 3.6 6.7 6.9 7.4 1.15° 9.8 8.4 5.8 9.8 10.0 10.5 1.50° 13.1 11.7 9.1 13.1 13.0 13.4 1.83° 16.2 14.8 12.1 16.2 15.7 16.1 2.12° 19.0 17.6 14.8 19.0 18.1 18.5 **2.25° 20.2 18.8 16.1 20.2 19.2 19.6 2.38° 21.5 20.0 17.3 21.5 20.3 20.7 2.60° 23.6 22.1 19.3 23.6 22.2 22.5 2.77° 25.2 23.7 20.9 25.2 23.7 23.9 2.89° 26.3 24.8 22.0 26.3 24.8 24.9 2.97° 27.1 25.6 22.8 27.1 25.6 25.5 3.00° 27.4 25.9 23.0 27.4 25.9 25.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 2.1 5.5 8.8 12.1 15.4 18.3 19.6 20.9 23.1 24.8 26.0 26.8 27.1 2.1 5.5 8.8 11.8 14.7 17.3 18.4 19.6 21.5 23.0 24.2 25.0 25.3 2.1 5.5 8.8 11.8 14.7 17.3 18.4 19.5 21.5 23.0 24.0 24.7 25.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 5.0° 1.50 1.50 1.83 1.50 1.83 1.83 1.15 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 0.78 0.78 12.5° 0.78 0.78 1.50 0.78 0.78 1.15 0.78 0.78 0.78 15.0° 0.39 0.78 1.15 0.39 0.78 0.78 0.39 0.39 0.39 17.5° 0.39 0.39 0.78 0.39 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.39 0.78 0.00 0.00 0.00 22.5° 0.00 0.39 0.00 0.00 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 108
  • 113. 4 3/4” Short Radius 7/8 2.2 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.55 rev/gal   0.145 rev/L 55 - 137 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 335 psi 1479 lb-ft 503 psi 2219 lb-ft 2310 kPa 2006 N-m 3465 kPa 3009 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 109
  • 114. 4 3/4” 7/8 2.6 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 332 in (8.43 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1170 lbs (531 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 3 1/2 IF Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 2.3 0.39° 1.8 1.3 1.2 1.9 2.0 0.78° 4.3 3.6 2.5 4.3 4.2 4.5 1.15° 6.7 6.0 4.6 6.7 6.3 6.5 1.50° 8.9 8.2 6.8 8.9 8.3 8.5 1.83° 11.0 10.3 8.9 11.0 10.3 10.3 2.12° 12.9 12.1 10.7 12.9 12.1 12.0 **2.25° 13.7 13.0 11.5 13.7 13.0 12.7 2.38° 14.5 13.8 12.4 14.5 13.8 13.4 2.60° 16.0 15.2 13.7 16.0 15.2 14.6 2.77° 17.0 16.3 14.8 17.0 16.3 15.6 2.89° 17.8 17.1 15.6 17.8 17.1 16.2 2.97° 18.3 17.6 16.1 18.3 17.6 16.7 3.00° 18.5 17.8 16.3 18.5 17.8 16.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.4 3.7 6.2 8.5 10.7 12.6 13.5 14.3 15.8 16.9 17.7 18.2 18.4 1.4 3.6 5.8 7.8 9.8 11.7 12.6 13.5 14.9 16.0 16.8 17.4 17.6 1.4 3.6 5.8 7.8 9.7 11.4 12.2 12.9 14.2 15.2 15.9 16.3 16.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 8.0° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0 0 16.0° 0 0.39 0.39 0 0 0 0 0 0 18.0° 0 0.39 20.0° 0 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 110
  • 115. 4 3/4” 7/8 2.6 Recommended Operating Limits Flow Range   150 - 300 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1136 lpm 0.27 rev/gal   0.071 rev/L 41 - 81 rpm Approx Press Drop @ 250 gpm (No Load) 200 psi 1400 kpa 390 psi 3500 lb-ft 585 psi 5250 lb-ft 2689 kPa 4745 N-m 4033 kPa 7118 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 111
  • 116. 4 3/4” 7/8 2.9 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 353 in (8.96 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1240 lbs (562 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.7 1.2 1.2 1.8 1.9 2.1 0.78° 4.0 3.4 2.3 4.0 4.0 4.2 1.15° 6.3 5.6 4.3 6.3 6.0 6.2 1.50° 8.4 7.7 6.4 8.4 7.9 8.1 1.83° 10.4 9.7 8.4 10.4 9.7 9.8 2.12° 12.2 11.5 10.1 12.2 11.5 11.4 **2.25° 13.0 12.3 10.9 13.0 12.3 12.1 2.38° 13.8 13.1 11.7 13.8 13.1 12.7 2.60° 15.1 14.4 13.0 15.1 14.4 13.9 2.77° 16.1 15.4 14.0 16.1 15.4 14.8 2.89° 16.8 16.1 14.7 16.8 16.1 15.5 2.97° 17.3 16.6 15.2 17.3 16.6 15.9 3.00° 17.5 16.8 15.4 17.5 16.8 16.1 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.3 3.5 5.9 8.1 10.1 11.9 12.7 13.6 14.9 16.0 16.7 17.2 17.4 1.3 3.5 5.5 7.5 9.3 11.1 11.9 12.7 14.1 15.2 15.9 16.4 16.6 1.3 3.5 5.5 7.5 9.3 10.9 11.6 12.3 13.5 14.5 15.1 15.6 15.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.50 8.0° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.50 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.39 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.39 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 112
  • 117. 4 3/4” 7/8 2.9 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.33 rev/gal   0.088 rev/L 33 - 83 rpm Approx Press Drop @ 250 gpm (No Load) 450 psi 3100 kpa 405 psi 2791 lb-ft 608 psi 4187 lb-ft 2792 kPa 3784 N-m 4189 kPa 5677 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 113
  • 118. 4 3/4” 7/8 3.8 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 290 in (7.36 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1020 lbs (463 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 2.1 1.4 1.4 2.2 2.4 2.7 0.78° 4.9 4.1 2.8 4.9 4.8 5.1 1.15° 7.6 6.8 5.2 7.6 7.1 7.4 1.50° 10.1 9.3 7.7 10.1 9.3 9.5 1.83° 12.5 11.7 10.1 12.5 11.7 11.6 2.12° 14.6 13.8 12.1 14.6 13.8 13.4 **2.25° 15.5 14.7 13.1 15.5 14.7 14.2 2.38° 16.5 15.6 14.0 16.5 15.6 15.0 2.60° 18.1 17.2 15.5 18.1 17.2 16.3 2.77° 19.3 18.4 16.8 19.3 18.4 17.4 2.89° 20.2 19.3 17.6 20.2 19.3 18.1 2.97° 20.7 19.9 18.2 20.7 19.9 18.6 3.00° 21.0 20.1 18.4 21.0 20.1 18.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.5 4.2 7.0 9.6 12.1 14.2 15.2 16.2 17.8 19.1 20.0 20.6 20.8 1.5 4.0 6.4 8.6 11.0 13.2 14.2 15.2 16.8 18.1 19.0 19.6 19.8 1.5 4.0 6.4 8.6 10.8 12.6 13.5 14.3 15.7 16.8 17.6 18.1 18.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 6.0° 1.50 1.50 1.83 1.50 1.50 1.50 1.50 1.50 1.50 8.0° 1.15 1.15 1.83 1.15 1.15 1.15 1.15 1.15 1.15 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 0.78 0.78 12.0° 0.78 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 14.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.00 0.00 16.0° 0.00 0.39 0.78 0.00 0.00 0.00 0.00 0.00 0.00 18.0° 0.00 0.00 0.39 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 114
  • 119. 4 3/4” 7/8 3.8 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.52 rev/gal   0.138 rev/L 52 - 131 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 535 psi 2332 lb-ft 803 psi 3497 lb-ft 3689 kPa 3161 N-m 5533 kPa 4742 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 115
  • 120. 4 3/4” 7/8 3.8 Stage SR3 Specifications on this page are for an SR3 motor* B A C ® D E Alternate Stator Tube OD Available: 5 in (127 mm) Bit to Center of Stabilizer Blade A 21 in (0.53 m) Bit to Bend B 46 in (1.17 m) Bit to Top Sub C 275 in (6.97 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.56 in (141 mm) Bit to Max Slick OD w/ Straight Housing 6.70 in (170 mm)     960 lbs (435 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.8 1.5 1.5 2.5 2.7 3.0 0.78° 4.8 3.7 2.9 5.2 5.4 5.7 1.15° 7.6 6.5 4.4 7.8 7.9 8.2 1.50° 10.2 9.1 7.0 10.2 10.3 10.6 1.83° 12.7 11.6 9.5 12.7 12.6 12.8 2.12° 14.9 13.8 11.6 14.9 14.6 14.8 **2.25° 15.9 14.8 12.6 15.9 15.4 15.7 2.38° 16.9 15.7 13.6 16.9 16.3 16.5 2.60° 18.5 17.4 15.2 18.5 17.8 18.0 2.77° 19.8 18.7 16.5 19.8 19.0 19.2 2.89° 20.7 19.6 17.4 20.7 19.8 20.0 2.97° 21.3 20.2 18.0 21.3 20.4 20.6 3.00° 21.5 20.4 18.2 21.5 20.6 20.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.7 4.5 7.1 9.6 12.2 14.5 15.5 16.5 18.3 19.6 20.5 21.2 21.4 1.7 4.5 7.2 9.6 12.0 14.1 15.0 15.9 17.5 18.7 19.6 20.1 20.3 1.7 4.5 7.2 9.7 12.0 14.1 15.0 15.9 17.5 18.7 19.5 20.1 20.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 7.5° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.50 1.50 10.0° 0.78 1.15 1.50 0.78 1.15 1.15 0.78 1.15 1.15 12.5° 0.78 0.78 1.15 0.78 0.78 0.78 0.78 0.78 0.78 15.0° 0.39 0.39 0.78 0.39 0.39 0.39 0.39 0.39 0.39 17.5° 0.00 0.39 0.78 0.00 0.00 0.39 0.00 0.00 0.00 20.0° 0.00 0.39 0.00 0.00 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 116
  • 121. 4 3/4” Short Radius 7/8 3.8 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.52 rev/gal   0.138 rev/L 52 - 131 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa 535 psi 2332 lb-ft 803 psi 3497 lb-ft 3689 kPa 3161 N-m 5533 kPa 4742 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 117
  • 122. 5” 6/7 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 288 in (7.31 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1120 lbs (508 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.9 1.4 1.4 2.0 2.2 2.5 0.78° 4.8 4.0 2.8 4.8 4.7 5.0 1.15° 7.5 6.6 5.1 7.5 7.0 7.3 1.50° 10.0 9.2 7.6 10.0 9.2 9.4 1.83° 12.4 11.6 9.9 12.4 11.6 11.5 2.12° 14.5 13.7 12.0 14.5 13.7 13.3 **2.25° 15.4 14.6 12.9 15.4 14.6 14.1 2.38° 16.4 15.5 13.9 16.4 15.5 14.9 2.60° 18.0 17.1 15.5 18.0 17.1 16.2 2.77° 19.2 18.4 16.7 19.2 18.4 17.3 2.89° 20.1 19.2 17.5 20.1 19.2 18.0 2.97° 20.7 19.8 18.1 20.7 19.8 18.5 3.00° 20.9 20.0 18.3 20.9 20.0 18.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.5 4.2 7.0 9.6 12.1 14.3 15.3 16.3 17.9 19.2 20.1 20.7 20.9 1.5 4.0 6.4 8.7 11.1 13.3 14.3 15.3 16.9 18.2 19.1 19.7 19.9 1.5 4.0 6.4 8.7 10.8 12.7 13.5 14.4 15.8 16.9 17.7 18.2 18.4 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 5.0° 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.15 7.5° 1.50 1.83 1.83 1.50 1.83 1.15 1.50 1.83 0.78 10.0° 1.50 1.50 1.83 1.50 0.39 0.78 1.15 0.39 0.39 12.5° 1.15 1.15 1.50 1.15 0.00 0.39 0.78 0.00 0.00 15.0° 0.78 0.78 1.15 0.78 0.00 0.00 17.5° 0.39 0.39 0.78 20.0° 0.00 0.39 0.78 22.5° 0.00 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 118
  • 123. 5” 6/7 6.0 Recommended Operating Limits Flow Range   200 - 350 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1325 lpm 0.87 rev/gal   0.229 rev/L 173 - 303 rpm Approx Press Drop @ 350 gpm (No Load) 400 psi 2750 kpa 860 psi 2372 lb-ft 1290 psi 3558 lb-ft 5929 kPa 3216 N-m 8894 kPa 4824 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD Availability   OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 119
  • 124. 5” 6/7 7.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 315 in (7.99 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1220 lbs (553 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.7 1.3 1.3 1.9 2.0 2.3 0.78° 4.4 3.6 2.6 4.4 4.3 4.6 1.15° 6.8 6.1 4.7 6.8 6.5 6.7 1.50° 9.2 8.4 7.0 9.2 8.5 8.7 1.83° 11.4 10.7 9.2 11.4 10.7 10.7 2.12° 13.4 12.6 11.1 13.4 12.6 12.3 **2.25° 14.2 13.5 11.9 14.2 13.5 13.1 2.38° 15.1 14.3 12.8 15.1 14.3 13.9 2.60° 16.6 15.8 14.3 16.6 15.8 15.1 2.77° 17.7 16.9 15.4 17.7 16.9 16.1 2.89° 18.5 17.7 16.2 18.5 17.7 16.8 2.97° 19.1 18.3 16.7 19.1 18.3 17.3 3.00° 19.3 18.5 16.9 19.3 18.5 17.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.4 3.9 6.5 8.9 11.2 13.2 14.1 15.0 16.6 17.7 18.6 19.1 19.3 1.4 3.8 6.0 8.1 10.3 12.3 13.2 14.1 15.6 16.8 17.6 18.2 18.4 1.4 3.8 6.0 8.1 10.1 11.9 12.7 13.4 14.8 15.8 16.5 17.0 17.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.15 7.5° 1.83 1.83 1.83 1.83 0.78 1.15 1.83 1.83 0.78 10.0° 1.50 1.50 1.83 1.50 0.39 0.78 1.50 0.39 0.39 12.5° 1.15 1.15 1.50 1.15 0.00 0.39 1.15 0.00 0.00 15.0° 0.78 0.78 1.15 0.00 0.78 17.5° 0.39 0.39 0.78 0.39 20.0° 0.00 0.39 0.39 0.00 22.5° 0.00 0.00 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 120
  • 125. 5” 6/7 7.0 Recommended Operating Limits Flow Range   200 - 350 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1325 lpm 0.86 rev/gal   0.228r ev/L 173 - 302 rpm Approx Press Drop @ 350 gpm (No Load) 450 psi 3100 kpa 1005 psi 2895 lb-ft 1508 psi 4343 lb-ft 6929 kPa 3926 N-m 10394 kPa 5888 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 121
  • 126. 5” 6/7 8.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 353 in (8.96 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1370 lbs (621 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.5 1.2 1.2 1.7 1.8 2.0 0.78° 3.9 3.2 2.3 3.9 3.9 4.1 1.15° 6.2 5.5 4.2 6.2 5.9 6.1 1.50° 8.3 7.6 6.3 8.3 7.8 7.9 1.83° 10.3 9.6 8.3 10.3 9.6 9.7 2.12° 12.0 11.3 10.0 12.0 11.3 11.2 **2.25° 12.8 12.1 10.8 12.8 12.1 11.9 2.38° 13.6 12.9 11.6 13.6 12.9 12.6 2.60° 15.0 14.2 12.9 15.0 14.2 13.8 2.77° 16.0 15.3 13.9 16.0 15.3 14.7 2.89° 16.7 16.0 14.6 16.7 16.0 15.4 2.97° 17.2 16.5 15.1 17.2 16.5 15.8 3.00° 17.4 16.7 15.3 17.4 16.7 15.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.3 3.5 5.9 8.1 10.1 11.9 12.7 13.6 14.9 16.0 16.7 17.2 17.4 1.3 3.5 5.5 7.5 9.3 11.1 11.9 12.7 14.1 15.2 15.9 16.4 16.6 1.3 3.5 5.5 7.5 9.3 10.9 11.6 12.3 13.5 14.5 15.1 15.6 15.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 7.5° 1.83 1.83 1.83 1.83 1.83 1.15 1.83 1.83 0.78 10.0° 1.50 1.50 1.83 1.50 1.50 0.78 1.50 0.39 0.39 12.5° 1.15 1.15 1.50 1.15 0.00 0.00 1.15 0.00 0.00 15.0° 0.78 0.78 1.15 0.78 17.5° 0.39 0.39 0.78 0.39 20.0° 0.00 0.00 0.39 0.00 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 122
  • 127. 5” 6/7 8.0 Recommended Operating Limits Flow Range   150 - 350 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1325 lpm 0.86 rev/gal   0.228 rev/L 130 - 302 rpm Approx Press Drop @ 350 gpm (No Load) 450 psi 3100 kpa 1215 psi 3500 lb-ft 1823 psi 5251 lb-ft 8377 kPa 4746 N-m 12566 kPa 7119 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 123
  • 128. 6 1/4” 4/5 7.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/2 in (165 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 328 in (8.33 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     1990 lbs (903 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.2 1.2 1.2 2.3 2.6 2.7 0.78° 3.5 2.4 2.4 4.4 4.6 4.7 1.15° 5.8 4.5 3.9 6.3 6.6 6.7 1.50° 8.0 6.6 6.1 8.2 8.5 8.6 1.83° 10.1 8.7 8.1 10.1 10.2 10.3 2.12° 11.9 10.5 9.9 11.9 11.8 11.8 **2.25° 12.7 11.3 10.7 12.7 12.5 12.5 2.38° 13.5 12.1 11.5 13.5 13.1 13.2 2.60° 14.9 13.4 12.9 14.9 14.3 14.4 2.77° 15.9 14.5 13.9 15.9 15.2 15.3 2.89° 16.7 15.2 14.6 16.7 15.9 15.9 2.97° 17.2 15.7 15.1 17.2 16.3 16.3 3.00° 17.4 15.9 15.3 17.4 16.4 16.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.8 5.8 7.8 9.7 11.6 12.5 13.4 14.8 16.0 16.8 17.3 17.5 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.50 1.50 0.78 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 1.15 1.15 0.78 0.78 0.78 14.0° 0.39 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 16.0° 0.39 0.78 0.78 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 124
  • 129. 6 1/4” 4/5 7.5 Recommended Operating Limits Flow Range   150 - 400 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1514 lpm 0.69 rev/gal   0.182 rev/L 104 - 276 rpm Approx Press Drop @ 400 gpm (No Load) 250 psi 1700 kpa 1070 psi 4065 lb-ft 1605 psi 6097 lb-ft 7377 kPa 5511 N-m 11066 kPa 8267 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 125
  • 130. 6 1/4” 5/6 5.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/8 in (156 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 328 in (8.33 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     1990 lbs (903 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.2 1.2 1.2 2.3 2.6 2.7 0.78° 3.5 2.4 2.4 4.4 4.6 4.7 1.15° 5.8 4.5 3.9 6.3 6.6 6.7 1.50° 8.0 6.6 6.1 8.2 8.5 8.6 1.83° 10.1 8.7 8.1 10.1 10.2 10.3 2.12° 11.9 10.5 9.9 11.9 11.8 11.8 **2.25° 12.7 11.3 10.7 12.7 12.5 12.5 2.38° 13.5 12.1 11.5 13.5 13.1 13.2 2.60° 14.9 13.4 12.9 14.9 14.3 14.4 2.77° 15.9 14.5 13.9 15.9 15.2 15.3 2.89° 16.7 15.2 14.6 16.7 15.9 15.9 2.97° 17.2 15.7 15.1 17.2 16.3 16.3 3.00° 17.4 15.9 15.3 17.4 16.4 16.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.8 5.8 7.8 9.7 11.6 12.5 13.4 14.8 16.0 16.8 17.3 17.5 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.50 1.50 0.78 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 1.15 1.15 0.78 0.78 0.78 14.0° 0.39 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 16.0° 0.39 0.78 0.78 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 126
  • 131. 6 1/4” 5/6 5.5 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.46 rev/gal   0.122 rev/L 93 - 232 rpm Approx Press Drop @ 400 gpm (No Load) 300 psi 2050 kpa 800 psi 4675 lb-ft 1200 psi 7013 lb-ft 5516 kPa 6339 N-m 8274 kPa 9508 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 127
  • 132. 6 1/4” 7/8 2.8 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/2 in (165 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 255 in (6.47 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     1550 lbs (703 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.5 1.5 1.5 2.9 3.4 3.6 0.78° 4.5 3.0 3.0 5.4 5.8 6.0 1.15° 7.4 5.7 5.0 7.8 8.2 8.3 1.50° 10.1 8.3 7.7 10.1 10.4 10.5 1.83° 12.6 10.9 10.2 12.6 12.4 12.6 2.12° 14.9 13.1 12.4 14.9 14.3 14.4 **2.25° 15.9 14.1 13.4 15.9 15.1 15.2 2.38° 16.9 15.1 14.3 16.9 15.9 16.0 2.60° 18.6 16.7 16.0 18.6 17.3 17.4 2.77° 19.9 18.0 17.3 19.9 18.3 18.5 2.89° 20.8 18.9 18.2 20.8 19.1 19.2 2.97° 21.4 19.6 18.8 21.4 19.6 19.7 3.00° 21.7 19.8 19.0 21.7 19.8 19.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.8 4.4 6.9 9.3 12.0 14.4 15.5 16.6 18.4 19.8 20.8 21.5 21.7 1.8 4.4 6.9 9.3 11.5 13.4 14.3 15.2 16.7 17.8 18.6 19.1 19.3 1.8 4.4 6.9 9.3 11.5 13.4 14.3 15.2 16.6 17.8 18.6 19.1 19.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 7.5° 1.50 1.83 1.83 1.50 1.50 1.50 1.15 1.50 1.50 10.0° 1.15 1.50 1.83 1.15 1.15 1.15 0.78 0.78 0.78 12.5° 0.78 1.15 1.50 0.78 0.78 0.78 0.78 0.39 0.39 15.0° 0.39 1.15 1.15 0.39 0.39 0.39 0.39 0.39 0.39 17.5° 0.39 0.78 0.78 0.00 0.00 0.39 0.00 0.00 0.00 20.0° 0.00 0.39 0.39 0.00 0.00 22.5° 0.00 0.39 25.0° 0.00 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 128
  • 133. 6 1/4” 7/8 2.8 Recommended Operating Limits Flow Range   150 - 400 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1514 lpm 0.33 rev/gal   0.087 rev/L 49 - 131 rpm Approx Press Drop @ 400 gpm (No Load) 200 psi 1400 kpa 425 psi 2784 lb-ft 638 psi 4176 lb-ft 2930 kPa 3774 N-m 4395 kPa 5661 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 129
  • 134. 6 1/4” 7/8 2.9 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/2 in (165 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 353 in (8.98 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     2150 lbs (975 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.2 1.1 1.1 2.1 2.3 2.4 0.78° 3.2 2.3 2.3 4.1 4.3 4.4 1.15° 5.4 4.2 3.7 6.0 6.2 6.3 1.50° 7.5 6.2 5.7 7.7 8.0 8.0 1.83° 9.4 8.1 7.6 9.4 9.6 9.7 2.12° 11.1 9.8 9.3 11.1 11.1 11.2 **2.25° 11.9 10.5 10.0 11.9 11.7 11.8 2.38° 12.6 11.3 10.8 12.6 12.4 12.5 2.60° 13.9 12.6 12.0 13.9 13.5 13.6 2.77° 14.9 13.6 13.0 14.9 14.4 14.4 2.89° 15.6 14.2 13.7 15.6 15.0 15.0 2.97° 16.1 14.7 14.2 16.1 15.4 15.4 3.00° 16.3 14.9 14.3 16.3 15.5 15.6 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.6 5.5 7.4 9.2 10.9 11.7 12.5 13.9 15.0 15.7 16.2 16.4 1.5 3.6 5.5 7.4 9.2 10.7 11.4 12.1 13.3 14.2 14.8 15.3 15.4 1.5 3.6 5.5 7.4 9.2 10.7 11.4 12.1 13.3 14.2 14.8 15.3 15.4 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.50 1.50 1.15 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 1.15 1.15 0.78 0.78 0.78 14.0° 0.39 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 16.0° 0.00 0.39 0.78 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 130
  • 135. 6 1/4” 7/8 2.9 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.16 rev/gal   0.043 rev/L 33 - 82 rpm Approx Press Drop @ 500 gpm (No Load) 300 psi 2050 kpa 425 psi 6277 lb-ft 638 psi 9415 lb-ft 2930 kPa 8510 N-m 4395 kPa 12765 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 131
  • 136. 6 1/4” 7/8 4.8 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/2 in (165 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 328 in (8.33 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     1990 lbs (903 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.2 1.2 1.2 2.3 2.6 2.7 0.78° 3.5 2.4 2.4 4.4 4.6 4.7 1.15° 5.8 4.5 3.9 6.3 6.6 6.7 1.50° 8.0 6.6 6.1 8.2 8.5 8.6 1.83° 10.1 8.7 8.1 10.1 10.2 10.3 2.12° 11.9 10.5 9.9 11.9 11.8 11.8 **2.25° 12.7 11.3 10.7 12.7 12.5 12.5 2.38° 13.5 12.1 11.5 13.5 13.1 13.2 2.60° 14.9 13.4 12.9 14.9 14.3 14.4 2.77° 15.9 14.5 13.9 15.9 15.2 15.3 2.89° 16.7 15.2 14.6 16.7 15.9 15.9 2.97° 17.2 15.7 15.1 17.2 16.3 16.3 3.00° 17.4 15.9 15.3 17.4 16.4 16.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.8 5.8 7.8 9.7 11.6 12.5 13.4 14.8 16.0 16.8 17.3 17.5 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 1.6 3.8 5.8 7.8 9.7 11.3 12.1 12.8 14.0 15.0 15.7 16.1 16.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.50 1.50 0.78 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 1.15 1.15 0.78 0.78 0.78 14.0° 0.39 0.78 1.15 0.78 0.78 0.78 0.39 0.39 0.39 16.0° 0.39 0.78 0.78 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 132
  • 137. 6 1/4” 7/8 4.8 Recommended Operating Limits Flow Range   150 - 400 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1514 lpm 0.33 rev/gal   0.087 rev/L 49 - 131 rpm Approx Press Drop @ 400 gpm (No Load) 250 psi 1700 kpa 700 psi 4773 lb-ft 1050 psi 7160 lb-ft 4826 kPa 6472 N-m 7239 kPa 9708 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 133
  • 138. 6 1/2” 1/2 4.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/4 in (159 mm) Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 311 in (7.89 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     2040 lbs (925 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.3 1.3 1.3 2.2 2.6 2.7 0.78° 3.5 2.5 2.5 4.4 4.7 4.8 1.15° 5.9 4.5 4.0 6.5 6.8 6.9 1.50° 8.2 6.8 6.2 8.4 8.7 8.8 1.83° 10.4 8.9 8.4 10.4 10.5 10.6 2.12° 12.3 10.8 10.2 12.3 12.1 12.2 **2.25° 13.2 11.7 11.1 13.2 12.9 12.9 2.38° 14.0 12.5 11.9 14.0 13.6 13.7 2.60° 15.4 13.9 13.3 15.4 14.8 14.9 2.77° 16.6 15.0 14.4 16.6 15.7 15.8 2.89° 17.3 15.8 15.2 17.3 16.4 16.5 2.97° 17.9 16.3 15.7 17.9 16.8 16.9 3.00° 18.1 16.5 15.9 18.1 17.0 17.1 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.6 3.9 6.1 8.1 10.2 12.2 13.1 14.0 15.6 16.7 17.6 18.1 18.3 1.6 3.9 6.1 8.1 10.1 11.8 12.5 13.3 14.6 15.6 16.3 16.8 16.9 1.6 3.9 6.1 8.1 10.1 11.8 12.5 13.3 14.6 15.6 16.3 16.8 16.9 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 4.0° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.50 1.50 6.0° 0.78 1.15 1.50 1.15 1.15 1.15 1.15 1.15 1.15 8.0° 0.78 1.15 1.15 0.78 0.78 0.78 0.78 0.78 0.78 10.0° 0.39 0.78 0.78 0.39 0.39 0.78 0.39 0.39 0.39 12.0° 0.00 0.39 0.78 0.00 0.39 0.39 0.00 0.00 0.00 14.0° 0.00 0.39 0.39 0.00 0.00 0.00 16.0° 0.00 0.00 18.0° 0.00 20.0° 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 134
  • 139. 6 1/2” 1/2 4.0 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 1.07 rev/gal   0.283 rev/L 214 - 535 rpm Approx Press Drop @ 500 gpm (No Load) 200 psi 1400 kpa 480 psi 1296 lb-ft 720 psi 1944 lb-ft 3309 kPa 1757 N-m 4964 kPa 2636 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 135
  • 140. 6 1/2” 8/9 4.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 295 in (7.48 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     1940 lbs (880 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.3 1.3 1.3 2.4 2.7 2.9 0.78° 3.7 2.6 2.6 4.6 5.0 5.1 1.15° 6.2 4.8 4.2 6.8 7.1 7.2 1.50° 8.6 7.1 6.5 8.8 9.1 9.2 1.83° 10.9 9.4 8.8 10.9 11.0 11.1 2.12° 12.9 11.3 10.7 12.9 12.6 12.7 **2.25° 13.8 12.2 11.6 13.8 13.4 13.5 2.38° 14.7 13.1 12.5 14.7 14.1 14.2 2.60° 16.2 14.6 13.9 16.2 15.4 15.5 2.77° 17.3 15.7 15.1 17.3 16.4 16.4 2.89° 18.2 16.5 15.9 18.2 17.0 17.1 2.97° 18.7 17.1 16.4 18.7 17.5 17.6 3.00° 18.9 17.3 16.6 18.9 17.7 17.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.7 4.0 6.3 8.4 10.6 12.8 13.7 14.7 16.3 17.5 18.4 19.0 19.2 1.7 4.0 6.3 8.4 10.4 12.2 13.0 13.8 15.1 16.2 16.9 17.4 17.6 1.7 4.0 6.3 8.4 10.4 12.2 13.0 13.8 15.1 16.2 16.9 17.4 17.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 4.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 6.0° 1.15 1.50 1.50 1.15 1.50 1.50 1.15 1.15 1.15 8.0° 0.78 1.15 1.50 1.15 1.15 1.15 0.78 0.78 0.78 10.0° 0.78 1.15 1.15 0.78 0.78 0.78 0.39 0.39 0.39 12.0° 0.39 0.78 0.78 0.39 0.39 0.39 0.39 0.39 0.39 14.0° 0.00 0.39 0.78 0.00 0.39 0.39 0.00 0.00 0.00 16.0° 0.00 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.00 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 136
  • 141. 6 1/2” 8/9 4.0 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.29 rev/gal   0.077 rev/L 58 - 145 rpm Approx Press Drop @ 500 gpm (No Load) 250 psi 1700 kpa 605 psi 4674 lb-ft 908 psi 7010 lb-ft 4171 kPa 6337 N-m 6257 kPa 9505 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 137
  • 142. 6 3/4” 2/3 7.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 324 in (8.22 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2290 lbs (1039 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.2 2.4 2.9 0.78° 3.2 2.7 2.4 4.3 4.4 4.9 1.15° 5.5 5.0 3.5 6.3 6.4 6.8 1.50° 7.7 7.2 4.8 8.2 8.3 8.7 1.83° 9.8 9.2 6.8 9.9 10.0 10.4 2.12° 11.6 11.0 8.5 11.6 11.5 11.9 **2.25° 12.4 11.8 9.3 12.4 12.2 12.6 2.38° 13.2 12.7 10.1 13.2 12.9 13.3 2.60° 14.6 14.0 11.5 14.6 14.1 14.4 2.77° 15.7 15.1 12.5 15.7 15.1 15.3 2.89° 16.4 15.8 13.2 16.4 15.8 15.9 2.97° 16.9 16.3 13.7 16.9 16.3 16.3 3.00° 17.1 16.5 13.9 17.1 16.5 16.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.5 3.7 5.8 7.8 9.6 11.4 12.3 13.1 14.6 15.7 16.6 17.1 17.3 1.5 3.7 5.8 7.8 9.6 11.3 12.0 12.7 14.0 15.0 15.8 16.3 16.5 1.5 3.7 5.8 7.8 9.6 11.2 12.0 12.7 13.9 14.9 15.6 16.0 16.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 7.5° 1.50 1.50 1.83 1.50 1.15 1.50 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.39 12.5° 0.78 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.39 1.15 0.00 0.00 0.00 17.5° 0.00 0.39 0.78 20.0° 0.00 0.39 22.5° 0.00 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 138
  • 143. 6 3/4” 2/3 7.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.85 rev/gal   0.225 rev/L 255 - 510 rpm Approx Press Drop @ 600 gpm (No Load) 200 psi 1400 kpa 945 psi 2933 lb-ft 1418 psi 4400 lb-ft 6516 kPa 3977 N-m 9773 kPa 5965 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD Availability OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 139
  • 144. 6 3/4” 4/5 4.8 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 277 in (7.04 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     1960 lbs (889 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.4 1.4 1.4 2.6 2.8 3.4 0.78° 3.8 3.1 2.7 4.9 5.1 5.7 1.15° 6.4 5.8 4.0 7.1 7.3 7.8 1.50° 8.9 8.2 5.5 9.2 9.3 9.9 1.83° 11.2 10.6 7.8 11.2 11.3 11.8 2.12° 13.3 12.6 9.8 13.3 13.0 13.4 **2.25° 14.2 13.6 10.7 14.2 13.7 14.2 2.38° 15.2 14.5 11.6 15.2 14.5 14.9 2.60° 16.7 16.0 13.1 16.7 16.0 16.2 2.77° 17.9 17.2 14.3 17.9 17.2 17.2 2.89° 18.8 18.1 15.1 18.8 18.1 17.9 2.97° 19.3 18.7 15.7 19.3 18.7 18.3 3.00° 19.6 18.9 15.9 19.6 18.9 18.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.6 4.1 6.4 8.6 10.7 12.9 13.9 14.9 16.7 18.0 18.9 19.5 19.7 1.6 4.1 6.4 8.6 10.7 12.5 13.3 14.1 15.7 17.1 18.0 18.6 18.8 1.6 4.1 6.4 8.6 10.7 12.5 13.3 14.1 15.5 16.6 17.3 17.8 18.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.50 1.83 1.50 7.5° 1.50 1.50 1.83 1.50 1.15 1.15 0.78 0.78 0.78 10.0° 1.15 1.50 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.5° 0.78 1.15 1.83 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.78 1.50 0.00 0.00 0.00 17.5° 0.39 0.39 1.15 20.0° 0.00 0.00 0.78 22.5° 0.00 0.39 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 140
  • 145. 6 3/4” 4/5 4.8 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.51 rev/gal   0.134 rev/L 152 - 304 rpm Approx Press Drop @ 600 gpm (No Load) 200 psi 1400 kpa 695 psi 3394 lb-ft 1043 psi 5092 lb-ft 4792 kPa 4602 N-m 7188 kPa 6903 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 141
  • 146. 6 3/4” 4/5 7.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 338 in (8.59 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2400 lbs (1089 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.1 2.2 2.7 0.78° 3.1 2.6 2.3 4.2 4.3 4.7 1.15° 5.3 4.8 3.4 6.1 6.2 6.6 1.50° 7.4 6.9 4.6 7.9 8.0 8.3 1.83° 9.4 8.9 6.5 9.6 9.7 10.0 2.12° 11.2 10.6 8.2 11.2 11.2 11.5 **2.25° 11.9 11.4 9.0 11.9 11.8 12.1 2.38° 12.7 12.2 9.8 12.7 12.5 12.8 2.60° 14.0 13.5 11.0 14.0 13.6 13.9 2.77° 15.1 14.5 12.0 15.1 14.5 14.8 2.89° 15.8 15.2 12.8 15.8 15.2 15.4 2.97° 16.3 15.7 13.2 16.3 15.7 15.8 3.00° 16.5 15.9 13.4 16.5 15.9 15.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.4 3.6 5.6 7.5 9.3 11.0 11.8 12.6 14.1 15.2 15.9 16.4 16.6 1.4 3.6 5.6 7.5 9.3 10.9 11.6 12.3 13.5 14.5 15.2 15.7 15.9 1.5 3.6 5.6 7.5 9.3 10.9 11.6 12.3 13.5 14.4 15.1 15.5 15.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 7.5° 1.50 1.83 1.83 1.15 1.15 1.50 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.5° 0.78 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.39 1.15 0.00 0.00 0.00 17.5° 0.00 0.00 0.78 20.0° 0.00 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 142
  • 147. 6 3/4” 4/5 7.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.52 rev/gal   0.137 rev/L 155 - 311 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 1015 psi 4820 lb-ft 1523 psi 7230 lb-ft 6998 kPa 6535 N-m 10497 kPa 9803 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 143
  • 148. 6 3/4” 5/6 6.8 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 351 in (8.90 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2480 lbs (1125 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 2.1 2.2 2.6 0.78° 3.0 2.5 2.2 4.0 4.1 4.5 1.15° 5.1 4.6 3.3 5.9 6.0 6.4 1.50° 7.2 6.7 4.4 7.7 7.7 8.1 1.83° 9.1 8.6 6.3 9.3 9.4 9.7 2.12° 10.8 10.3 8.0 10.8 10.9 11.2 **2.25° 11.6 11.0 8.7 11.6 11.5 11.8 2.38° 12.3 11.8 9.5 12.3 12.2 12.4 2.60° 13.6 13.1 10.7 13.6 13.3 13.5 2.77° 14.6 14.1 11.7 14.6 14.1 14.4 2.89° 15.3 14.8 12.4 15.3 14.8 15.0 2.97° 15.8 15.2 12.8 15.8 15.2 15.4 3.00° 15.9 15.4 13.0 15.9 15.4 15.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.4 3.5 5.5 7.3 9.1 10.6 11.4 12.3 13.6 14.7 15.4 15.9 16.1 1.4 3.5 5.5 7.3 9.1 10.6 11.3 12.0 13.2 14.1 14.8 15.3 15.4 1.4 3.5 5.5 7.3 9.1 10.6 11.3 12.0 13.2 14.1 14.7 15.1 15.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.50 1.50 1.50 8.0° 1.50 1.50 1.83 1.50 1.15 1.15 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.0° 0.78 1.15 1.50 0.39 0.39 0.39 0.39 0.39 0.39 14.0° 0.39 0.78 1.15 0.00 0.00 0.00 0.00 0.00 0.00 16.0° 0.39 0.39 1.15 0.00 18.0° 0.00 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 144
  • 149. 6 3/4” 5/6 6.8 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.41 rev/gal   0.108 rev/L 123 - 246 rpm Approx Press Drop @ 600 gpm (No Load) 300 psi 2050 kpa 970 psi 6039 lb-ft 1455 psi 9059 lb-ft 6688 kPa 8188 N-m 10032 kPa 12282 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 145
  • 150. 6 3/4” 6/7 5.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 324 in (8.22 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2290 lbs (1039 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.2 2.4 2.9 0.78° 3.2 2.7 2.4 4.3 4.4 4.9 1.15° 5.5 5.0 3.5 6.3 6.4 6.8 1.50° 7.7 7.2 4.8 8.2 8.3 8.7 1.83° 9.8 9.2 6.8 9.9 10.0 10.4 2.12° 11.6 11.0 8.5 11.6 11.5 11.9 **2.25° 12.4 11.8 9.3 12.4 12.2 12.6 2.38° 13.2 12.7 10.1 13.2 12.9 13.3 2.60° 14.6 14.0 11.5 14.6 14.1 14.4 2.77° 15.7 15.1 12.5 15.7 15.1 15.3 2.89° 16.4 15.8 13.2 16.4 15.8 15.9 2.97° 16.9 16.3 13.7 16.9 16.3 16.3 3.00° 17.1 16.5 13.9 17.1 16.5 16.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.5 3.7 5.8 7.8 9.6 11.4 12.3 13.1 14.6 15.7 16.6 17.1 17.3 1.5 3.7 5.8 7.8 9.6 11.3 12.0 12.7 14.0 15.0 15.8 16.3 16.5 1.5 3.7 5.8 7.8 9.6 11.2 12.0 12.7 13.9 14.9 15.6 16.0 16.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 7.5° 1.50 1.50 1.83 1.50 1.15 1.50 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.39 12.5° 0.78 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.39 1.15 0.00 0.00 0.00 17.5° 0.00 0.39 0.78 20.0° 0.00 0.39 22.5° 0.00 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 146
  • 151. 6 3/4” 6/7 5.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.31 rev/gal   0.082 rev/L 93 - 186 rpm Approx Press Drop @ 600 gpm (No Load) 250 psi 1700 kpa 715 psi 5699 lb-ft 1073 psi 8548 lb-ft 4930 kPa 7726 N-m 7395 kPa 11589 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD OS 2xOS Availability     Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 147
  • 152. 6 3/4” 6/7 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 374 in (9.49 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2650 lbs (1202 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 1.9 2.0 2.4 0.78° 2.8 2.3 2.1 3.8 3.9 4.3 1.15° 4.8 4.4 3.1 5.6 5.7 6.0 1.50° 6.8 6.3 4.2 7.3 7.4 7.7 1.83° 8.6 8.1 6.0 8.9 8.9 9.2 2.12° 10.2 9.7 7.5 10.3 10.3 10.6 **2.25° 10.9 10.4 8.2 10.9 11.0 11.2 2.38° 11.6 11.1 8.9 11.6 11.6 11.8 2.60° 12.9 12.4 10.1 12.9 12.6 12.9 2.77° 13.8 13.3 11.0 13.8 13.4 13.7 2.89° 14.5 13.9 11.7 14.5 14.0 14.2 2.97° 14.9 14.4 12.1 14.9 14.4 14.6 3.00° 15.1 14.6 12.3 15.1 14.6 14.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.6 12.9 13.9 14.6 15.1 15.3 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.5 12.6 13.4 14.1 14.5 14.6 1.4 3.3 5.2 7.0 8.7 10.1 10.8 11.4 12.6 13.4 14.0 14.4 14.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 8.0° 1.50 1.50 1.83 1.15 1.15 1.15 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.0° 0.78 1.15 1.50 0.39 0.39 0.39 0.39 0.39 0.39 14.0° 0.39 0.78 1.15 0.00 0.00 0.00 0.00 0.00 0.00 16.0° 0.00 0.39 0.78 18.0° 0.00 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 148
  • 153. 6 3/4” 6/7 6.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.31 rev/gal   0.082 rev/L 93 - 186 rpm Approx Press Drop @ 600 gpm (No Load) 400 psi 2750 kpa 925 psi 7708 lb-ft 1388 psi 11562 lb-ft 6378 kPa 10451 N-m 9566 kPa 15676 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 149
  • 154. 6 3/4” 7/8 2.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 277 in (7.04 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     1960 lbs (889 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.4 1.4 1.4 2.6 2.8 3.4 0.78° 3.8 3.1 2.7 4.9 5.1 5.7 1.15° 6.4 5.8 4.0 7.1 7.3 7.8 1.50° 8.9 8.2 5.5 9.2 9.3 9.9 1.83° 11.2 10.6 7.8 11.2 11.3 11.8 2.12° 13.3 12.6 9.8 13.3 13.0 13.4 **2.25° 14.2 13.6 10.7 14.2 13.7 14.2 2.38° 15.2 14.5 11.6 15.2 14.5 14.9 2.60° 16.7 16.0 13.1 16.7 16.0 16.2 2.77° 17.9 17.2 14.3 17.9 17.2 17.2 2.89° 18.8 18.1 15.1 18.8 18.1 17.9 2.97° 19.3 18.7 15.7 19.3 18.7 18.3 3.00° 19.6 18.9 15.9 19.6 18.9 18.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.6 4.1 6.4 8.6 10.7 12.9 13.9 14.9 16.7 18.0 18.9 19.5 19.7 1.6 4.1 6.4 8.6 10.7 12.5 13.3 14.1 15.7 17.1 18.0 18.6 18.8 1.6 4.1 6.4 8.6 10.7 12.5 13.3 14.1 15.5 16.6 17.3 17.8 18.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.50 1.83 1.50 7.5° 1.50 1.50 1.83 1.50 1.15 1.15 0.78 0.78 0.78 10.0° 1.15 1.50 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.5° 0.78 1.15 1.83 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.78 1.50 0.00 0.00 0.00 17.5° 0.39 0.39 1.15 20.0° 0.00 0.00 0.78 22.5° 0.00 0.39 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 150
  • 155. 6 3/4” 7/8 2.0 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.17 rev/gal   0.046 rev/L 35 - 87 rpm Approx Press Drop @ 500 gpm (No Load) 250 psi 1700 kpa 280 psi 4051 lb-ft 420 psi 6077 lb-ft 1931 kPa 5492 N-m 2896 kPa 8239 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD Availability   OS 2xOS Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 151
  • 156. 6 3/4” 7/8 2.9 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 344 in (8.72 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2440 lbs (1107 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.1 2.1 2.2 2.7 0.78° 3.0 2.5 2.3 4.1 4.2 4.6 1.15° 5.2 4.7 3.3 6.0 6.1 6.5 1.50° 7.3 6.8 4.5 7.8 7.9 8.2 1.83° 9.3 8.7 6.4 9.5 9.5 9.9 2.12° 11.0 10.5 8.1 11.0 11.0 11.3 **2.25° 11.8 11.2 8.9 11.8 11.7 12.0 2.38° 12.5 12.0 9.6 12.5 12.4 12.6 2.60° 13.9 13.3 10.9 13.9 13.5 13.8 2.77° 14.9 14.3 11.9 14.9 14.3 14.6 2.89° 15.6 15.0 12.6 15.6 15.0 15.2 2.97° 16.1 15.5 13.0 16.1 15.5 15.6 3.00° 16.2 15.7 13.2 16.2 15.7 15.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.4 3.5 5.5 7.4 9.2 10.8 11.6 12.5 13.9 15.0 15.7 16.2 16.4 1.4 3.5 5.5 7.4 9.2 10.8 11.5 12.2 13.4 14.3 15.0 15.5 15.7 1.4 3.5 5.5 7.4 9.2 10.8 11.5 12.2 13.4 14.3 14.9 15.4 15.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 7.5° 1.50 1.83 1.83 1.15 1.15 1.50 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.5° 0.78 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.39 1.15 0.00 0.00 0.00 17.5° 0.00 0.00 0.78 20.0° 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 152
  • 157. 6 3/4” 7/8 2.9 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.17 rev/gal   0.044 rev/L 34 - 84 rpm Approx Press Drop @ 500 gpm (No Load) 300 psi 2050 kpa 425 psi 6135 lb-ft 638 psi 9202 lb-ft 2930 kPa 8318 N-m 4395 kPa 12477 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 153
  • 158. 6 3/4” 7/8 3.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 255 in (6.46 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     1800 lbs (816 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.5 1.5 1.5 2.9 3.0 3.8 0.78° 4.1 3.4 2.9 5.3 5.5 6.2 1.15° 6.9 6.2 4.3 7.6 7.8 8.4 1.50° 9.6 8.9 5.9 9.8 9.9 10.6 1.83° 12.1 11.4 8.4 12.1 12.0 12.6 2.12° 14.3 13.6 10.5 14.3 13.8 14.3 **2.25° 15.3 14.6 11.5 15.3 14.6 15.1 2.38° 16.3 15.6 12.4 16.3 15.6 15.9 2.60° 18.0 17.2 14.1 18.0 17.2 17.2 2.77° 19.3 18.5 15.3 19.3 18.5 18.3 2.89° 20.2 19.4 16.2 20.2 19.4 19.0 2.97° 20.8 20.0 16.8 20.8 20.0 19.5 3.00° 21.0 20.3 17.0 21.0 20.3 19.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.7 4.3 6.7 9.1 11.4 13.8 14.9 16.0 17.9 19.3 20.3 20.9 21.2 1.7 4.3 6.7 9.1 11.3 13.2 14.0 15.0 16.8 18.3 19.3 19.9 20.2 1.7 4.3 6.7 9.1 11.2 13.2 14.0 14.9 16.3 17.5 18.3 18.8 19.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 6.0° 1.50 1.83 1.83 1.50 1.50 1.50 1.50 1.15 1.15 9.0° 1.15 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 12.0° 1.15 1.15 1.83 0.39 0.39 0.78 0.39 0.39 0.00 15.0° 0.78 0.78 1.50 0.00 0.00 0.39 18.0° 0.39 0.39 1.15 0.00 21.0° 0.00 0.00 0.78 24.0° 0.39 27.0° 0.39 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 154
  • 159. 6 3/4” 7/8 3.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.29 rev/gal   0.076 rev/L 86 - 172 rpm Approx Press Drop @ 600 gpm (No Load) 250 psi 1700 kpa 460 psi 3830 lb-ft 690 psi 5745 lb-ft 3172 kPa 5193 N-m 4757 kPa 7789 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 155
  • 160. 6 3/4” 7/8 3.0 Stage SR3 Specifications on this page are for an SR3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 25 in (0.63 m) Bit to Bend B 55 in (1.40 m) Bit to Top Sub C 234 in (5.94 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.63 in (194 mm) Max OD of Slick Motor w/ Straight Housing 7.63 in (194 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     1660 lbs (753 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.6 1.6 1.6 3.4 3.6 4.5 0.78° 3.5 3.2 3.1 6.3 6.4 7.2 1.15° 6.5 5.6 4.6 8.9 9.1 9.8 1.50° 9.4 8.4 6.0 11.5 11.6 12.3 1.83° 12.1 11.1 7.3 13.9 14.0 14.6 2.12° 14.4 13.4 9.2 16.0 16.1 16.7 **2.25° 15.5 14.5 10.3 16.9 17.0 17.6 2.38° 16.6 15.6 11.3 17.8 18.0 18.5 2.60° 18.3 17.3 13.0 19.4 19.5 20.0 2.77° 19.7 18.7 14.4 20.7 20.8 21.2 2.89° 20.7 19.7 15.3 21.5 21.6 22.1 2.97° 21.4 20.3 16.0 22.1 22.2 22.6 3.00° 21.6 20.6 16.2 22.3 22.4 22.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 2.1 5.2 8.1 10.8 13.4 15.7 16.7 17.7 19.5 20.8 21.7 22.4 22.6 2.1 5.2 8.1 10.8 13.4 15.7 16.7 17.7 19.4 20.8 21.7 22.3 22.6 2.1 5.2 8.1 10.8 13.4 15.6 16.7 17.7 19.4 20.7 21.7 22.3 22.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 1.50 6.0° 1.83 1.83 1.83 1.50 1.50 1.50 1.15 1.15 1.15 9.0° 1.50 1.50 1.83 1.15 1.15 1.15 0.78 0.78 0.78 12.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.39 0.39 0.39 15.0° 0.78 0.78 1.83 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.39 0.78 1.50 0.00 0.00 0.00 21.0° 0.00 0.39 1.15 24.0° 0.00 0.00 0.78 27.0° 0.39 30.0° 0.39 33.0° 0.00 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 156
  • 161. 6 3/4” Short Radius 7/8 3.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.29 rev/gal   0.076 rev/L 86 - 172 rpm Approx Press Drop @ 600 gpm (No Load) 250 psi 1700 kpa 460 psi 3830 lb-ft 690 psi 5745 lb-ft 3172 kPa 5193 N-m 4757 kPa 7789 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 157
  • 162. 6 3/4” 7/8 5.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 318 in (8.06 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2250 lbs (1021 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.3 2.4 2.9 0.78° 3.3 2.7 2.4 4.4 4.5 5.0 1.15° 5.6 5.1 3.6 6.4 6.5 7.0 1.50° 7.9 7.3 4.8 8.3 8.4 8.8 1.83° 10.0 9.4 6.9 10.1 10.2 10.5 2.12° 11.8 11.2 8.7 11.8 11.7 12.1 **2.25° 12.6 12.0 9.5 12.6 12.4 12.8 2.38° 13.5 12.9 10.3 13.5 13.1 13.5 2.60° 14.8 14.2 11.7 14.8 14.3 14.6 2.77° 15.9 15.3 12.7 15.9 15.3 15.5 2.89° 16.7 16.1 13.5 16.7 16.1 16.1 2.97° 17.2 16.6 14.0 17.2 16.6 16.6 3.00° 17.4 16.8 14.1 17.4 16.8 16.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.5 3.7 5.8 7.9 9.7 11.6 12.4 13.3 14.8 16.0 16.8 17.4 17.6 1.5 3.7 5.8 7.9 9.7 11.4 12.1 12.9 14.2 15.2 16.1 16.6 16.8 1.5 3.7 5.9 7.9 9.7 11.4 12.1 12.9 14.1 15.1 15.8 16.2 16.4 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 7.5° 1.50 1.50 1.83 1.50 1.15 1.50 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.39 12.5° 0.78 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.39 0.78 1.15 0.00 0.00 0.00 17.5° 0.00 0.39 0.78 20.0° 0.00 0.39 22.5° 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 158
  • 163. 6 3/4” 7/8 5.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.29 rev/gal   0.077 rev/L 87 - 174 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 720 psi 5972 lb-ft 1080 psi 8959 lb-ft 4964 kPa 8097 N-m 7446 kPa 12146 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 159
  • 164. 6 3/4” 7/8 5.0 Stage SR3 Specifications on this page are for an SR3 motor* B A C ® D E Alternate Stator Tube OD Available: 6 1/2 in (165 mm) Bit to Center of Stabilizer Blade A 25 in (0.63 m) Bit to Bend B 55 in (1.40 m) Bit to Top Sub C 297 in (7.54 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.63 in (194 mm) Max OD of Slick Motor w/ Straight Housing 7.63 in (194 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     2100 lbs (953 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.3 1.3 1.3 2.6 2.8 3.4 0.78° 2.7 2.6 2.6 5.0 5.2 5.7 1.15° 5.2 4.5 3.8 7.3 7.4 7.9 1.50° 7.6 6.8 4.9 9.4 9.5 10.0 1.83° 9.8 9.0 6.0 11.4 11.5 12.0 2.12° 11.7 10.9 7.5 13.2 13.3 13.7 **2.25° 12.6 11.8 8.4 14.0 14.1 14.5 2.38° 13.5 12.7 9.2 14.8 14.9 15.2 2.60° 15.0 14.2 10.7 16.1 16.2 16.5 2.77° 16.1 15.3 11.8 17.2 17.3 17.6 2.89° 16.9 16.1 12.6 17.9 18.0 18.3 2.97° 17.5 16.6 13.1 18.4 18.5 18.7 3.00° 17.7 16.8 13.3 18.6 18.7 18.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.8 4.3 6.8 9.1 11.2 13.1 14.0 14.8 16.3 17.4 18.2 18.7 18.9 1.8 4.3 6.8 9.1 11.2 13.1 14.0 14.8 16.3 17.4 18.1 18.7 18.9 1.8 4.4 6.8 9.1 11.2 13.1 13.9 14.8 16.2 17.3 18.1 18.6 18.8 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 1.50 7.5° 1.50 1.83 1.83 1.15 1.15 1.50 1.15 1.15 1.15 10.0° 1.15 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 12.5° 0.78 1.15 1.83 0.39 0.39 0.78 0.39 0.39 0.39 15.0° 0.39 0.78 1.50 0.00 0.00 0.39 0.00 0.00 0.00 17.5° 0.39 0.39 1.15 0.00 0.00 0.00 20.0° 0.00 0.00 0.78 22.5° 0.39 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 160
  • 165. 6 3/4” Short Radius 7/8 5.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.29 rev/gal   0.077 rev/L 87 - 174 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 720 psi 5972 lb-ft 1080 psi 8959 lb-ft 4964 kPa 8097 N-m 7446 kPa 12146 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 161
  • 166. 6 3/4” 7/8 5.7 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 384 in (9.74 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2720 lbs (1234 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.0 1.9 2.0 2.3 0.78° 2.7 2.3 2.1 3.7 3.8 4.2 1.15° 4.7 4.3 3.1 5.5 5.5 5.9 1.50° 6.6 6.1 4.1 7.1 7.2 7.5 1.83° 8.4 7.9 5.8 8.7 8.7 9.0 2.12° 10.0 9.5 7.4 10.1 10.1 10.4 **2.25° 10.7 10.2 8.0 10.7 10.7 11.0 2.38° 11.4 10.9 8.7 11.4 11.3 11.6 2.60° 12.6 12.1 9.9 12.6 12.4 12.6 2.77° 13.5 13.0 10.8 13.5 13.2 13.4 2.89° 14.1 13.6 11.4 14.1 13.7 13.9 2.97° 14.6 14.1 11.9 14.6 14.1 14.3 3.00° 14.7 14.2 12.0 14.7 14.3 14.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.3 3.3 5.1 6.9 8.5 9.9 10.6 11.3 12.6 13.6 14.3 14.7 14.9 1.3 3.3 5.1 6.9 8.5 9.9 10.6 11.2 12.3 13.2 13.8 14.2 14.3 1.3 3.3 5.1 6.9 8.5 9.9 10.6 11.2 12.3 13.2 13.8 14.2 14.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 8.0° 1.50 1.50 1.83 1.15 1.15 1.15 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.0° 0.78 1.15 1.50 0.39 0.39 0.39 0.39 0.39 0.39 14.0° 0.39 0.78 1.15 0.00 0.00 0.00 0.00 0.00 0.00 16.0° 0.00 0.39 0.78 18.0° 0.00 0.00 0.39 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 162
  • 167. 6 3/4” 7/8 5.7 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.25 rev/gal   0.066 rev/L 75 - 150 rpm Approx Press Drop @ 600 gpm (No Load) 400 psi 2750 kpa 845 psi 8204 lb-ft 1268 psi 12306 lb-ft 5826 kPa 11123 N-m 8739 kPa 16685 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 163
  • 168. 6 3/4” 7/8 6.4 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 7 in (178 mm) Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 374 in (9.49 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2650 lbs (1202 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 1.9 2.0 2.4 0.78° 2.8 2.3 2.1 3.8 3.9 4.3 1.15° 4.8 4.4 3.1 5.6 5.7 6.0 1.50° 6.8 6.3 4.2 7.3 7.4 7.7 1.83° 8.6 8.1 6.0 8.9 8.9 9.2 2.12° 10.2 9.7 7.5 10.3 10.3 10.6 **2.25° 10.9 10.4 8.2 10.9 11.0 11.2 2.38° 11.6 11.1 8.9 11.6 11.6 11.8 2.60° 12.9 12.4 10.1 12.9 12.6 12.9 2.77° 13.8 13.3 11.0 13.8 13.4 13.7 2.89° 14.5 13.9 11.7 14.5 14.0 14.2 2.97° 14.9 14.4 12.1 14.9 14.4 14.6 3.00° 15.1 14.6 12.3 15.1 14.6 14.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.6 12.9 13.9 14.6 15.1 15.3 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.5 12.6 13.4 14.1 14.5 14.6 1.4 3.3 5.2 7.0 8.7 10.1 10.8 11.4 12.6 13.4 14.0 14.4 14.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 8.0° 1.50 1.50 1.83 1.15 1.15 1.15 1.50 1.15 1.15 10.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 12.0° 0.78 1.15 1.50 0.39 0.39 0.39 0.39 0.39 0.39 14.0° 0.39 0.78 1.15 0.00 0.00 0.00 0.00 0.00 0.00 16.0° 0.00 0.39 0.78 18.0° 0.00 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 164
  • 169. 6 3/4” 7/8 6.4 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.31 rev/gal   0.081 rev/L 92 - 183 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 995 psi 7580 lb-ft 1493 psi 11370 lb-ft 6860 kPa 10277 N-m 10290 kPa 15415 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 165
  • 170. 6 3/4” 8/9 3.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 255 in (6.46 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     1800 lbs (816 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.5 1.5 1.5 2.9 3.0 3.8 0.78° 4.1 3.4 2.9 5.3 5.5 6.2 1.15° 6.9 6.2 4.3 7.6 7.8 8.4 1.50° 9.6 8.9 5.9 9.8 9.9 10.6 1.83° 12.1 11.4 8.4 12.1 12.0 12.6 2.12° 14.3 13.6 10.5 14.3 13.8 14.3 **2.25° 15.3 14.6 11.5 15.3 14.6 15.1 2.38° 16.3 15.6 12.4 16.3 15.6 15.9 2.60° 18.0 17.2 14.1 18.0 17.2 17.2 2.77° 19.3 18.5 15.3 19.3 18.5 18.3 2.89° 20.2 19.4 16.2 20.2 19.4 19.0 2.97° 20.8 20.0 16.8 20.8 20.0 19.5 3.00° 21.0 20.3 17.0 21.0 20.3 19.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.7 4.3 6.7 9.1 11.4 13.8 14.9 16.0 17.9 19.3 20.3 20.9 21.2 1.7 4.3 6.7 9.1 11.3 13.2 14.0 15.0 16.8 18.3 19.3 19.9 20.2 1.7 4.3 6.7 9.1 11.2 13.2 14.0 14.9 16.3 17.5 18.3 18.8 19.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 6.0° 1.50 1.83 1.83 1.50 1.50 1.50 1.50 1.15 1.15 9.0° 1.15 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 12.0° 1.15 1.15 1.83 0.39 0.39 0.78 0.39 0.39 0.00 15.0° 0.78 0.78 1.50 0.00 0.00 0.39 18.0° 0.39 0.39 1.15 0.00 21.0° 0.00 0.00 0.78 24.0° 0.39 27.0° 0.39 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 166
  • 171. 6 3/4” 8/9 3.0 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.3 rev/gal   0.079 rev/L 60 - 150 rpm Approx Press Drop @ 500 gpm (No Load) 300 psi 2050 kpa 455 psi 4418 lb-ft 683 psi 6626 lb-ft 3137 kPa 5989 N-m 4706 kPa 8984 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 167
  • 172. 7” 2/3 8.3 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 374 in (9.49 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2850 lbs (1293 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 1.8 1.9 2.3 0.78° 2.7 2.2 2.1 3.7 3.8 4.2 1.15° 4.7 4.2 3.1 5.5 5.6 5.9 1.50° 6.7 6.2 4.1 7.2 7.3 7.6 1.83° 8.5 8.0 5.9 8.8 8.8 9.1 2.12° 10.1 9.6 7.4 10.2 10.2 10.5 **2.25° 10.8 10.3 8.1 10.8 10.9 11.1 2.38° 11.5 11.0 8.8 11.5 11.5 11.7 2.60° 12.7 12.2 10.0 12.7 12.5 12.8 2.77° 13.7 13.2 10.9 13.7 13.4 13.6 2.89° 14.4 13.8 11.6 14.4 13.9 14.1 2.97° 14.8 14.3 12.0 14.8 14.3 14.5 3.00° 15.0 14.4 12.2 15.0 14.5 14.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.6 12.9 13.9 14.6 15.1 15.3 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.5 12.6 13.4 14.1 14.5 14.6 1.4 3.3 5.2 7.0 8.7 10.1 10.8 11.4 12.6 13.4 14.0 14.4 14.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 6.0° 1.50 1.50 1.83 1.15 1.15 1.50 1.15 1.15 1.15 8.0° 1.15 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 10.0° 0.78 1.15 1.50 0.39 0.39 0.78 0.39 0.39 0.39 12.0° 0.39 0.78 1.15 0.00 0.00 0.39 0.00 0.00 0.00 14.0° 0.39 0.39 0.78 0.00 16.0° 0.00 0.00 0.78 18.0° 0.39 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 168
  • 173. 7” 2/3 8.3 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 1.57 rev/gal   0.413 rev/L 470 - 939 rpm Approx Press Drop @ 600 gpm (No Load) 650 psi 4500 kpa 1135 psi 1881 lb-ft 1703 psi 2821 lb-ft 7826 kPa 2550 N-m 11738 kPa 3825 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 169
  • 174. 7” 7/8 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 324 in (8.22 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2470 lbs (1120 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.1 2.2 2.7 0.78° 3.1 2.5 2.4 4.2 4.3 4.8 1.15° 5.4 4.8 3.5 6.2 6.3 6.7 1.50° 7.6 7.0 4.6 8.0 8.1 8.5 1.83° 9.6 9.1 6.6 9.8 9.9 10.3 2.12° 11.5 10.9 8.4 11.5 11.4 11.8 **2.25° 12.3 11.7 9.2 12.3 12.1 12.5 2.38° 13.1 12.5 10.0 13.1 12.8 13.1 2.60° 14.5 13.9 11.3 14.5 14.0 14.3 2.77° 15.5 14.9 12.4 15.5 14.9 15.2 2.89° 16.3 15.7 13.1 16.3 15.7 15.8 2.97° 16.8 16.2 13.6 16.8 16.2 16.2 3.00° 17.0 16.4 13.8 17.0 16.4 16.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.5 3.7 5.8 7.8 9.6 11.4 12.3 13.1 14.6 15.7 16.6 17.1 17.3 1.5 3.7 5.8 7.8 9.6 11.3 12.0 12.7 14.0 15.0 15.8 16.3 16.5 1.5 3.7 5.8 7.8 9.6 11.2 12.0 12.7 13.9 14.9 15.6 16.0 16.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.50 1.50 1.50 6.0° 1.50 1.50 1.83 1.15 1.15 1.15 1.50 1.15 1.15 8.0° 1.15 1.15 1.83 0.78 0.78 0.78 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.39 0.39 0.78 0.39 0.39 0.39 12.0° 0.78 0.78 1.50 0.00 0.00 0.39 0.00 0.00 0.00 14.0° 0.39 0.39 1.15 0.00 0.00 0.00 16.0° 0.00 0.00 0.78 18.0° 0.00 0.39 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 170
  • 175. 7” 7/8 6.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.33 rev/gal   0.088 rev/L 100 - 199 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 885 psi 6437 lb-ft 1328 psi 9655 lb-ft 6102 kPa 8727 N-m 9153 kPa 13090 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 171
  • 176. 7” 7/8 7.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 374 in (9.49 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2850 lbs (1293 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 1.8 1.9 2.3 0.78° 2.7 2.2 2.1 3.7 3.8 4.2 1.15° 4.7 4.2 3.1 5.5 5.6 5.9 1.50° 6.7 6.2 4.1 7.2 7.3 7.6 1.83° 8.5 8.0 5.9 8.8 8.8 9.1 2.12° 10.1 9.6 7.4 10.2 10.2 10.5 **2.25° 10.8 10.3 8.1 10.8 10.9 11.1 2.38° 11.5 11.0 8.8 11.5 11.5 11.7 2.60° 12.7 12.2 10.0 12.7 12.5 12.8 2.77° 13.7 13.2 10.9 13.7 13.4 13.6 2.89° 14.4 13.8 11.6 14.4 13.9 14.1 2.97° 14.8 14.3 12.0 14.8 14.3 14.5 3.00° 15.0 14.4 12.2 15.0 14.5 14.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.6 12.9 13.9 14.6 15.1 15.3 1.3 3.3 5.2 7.0 8.7 10.1 10.8 11.5 12.6 13.4 14.1 14.5 14.6 1.4 3.3 5.2 7.0 8.7 10.1 10.8 11.4 12.6 13.4 14.0 14.4 14.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 6.0° 1.50 1.50 1.83 1.15 1.15 1.50 1.15 1.15 1.15 8.0° 1.15 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 10.0° 0.78 1.15 1.50 0.39 0.39 0.78 0.39 0.39 0.39 12.0° 0.39 0.78 1.15 0.00 0.00 0.39 0.00 0.00 0.00 14.0° 0.39 0.39 0.78 0.00 16.0° 0.00 0.00 0.78 18.0° 0.39 20.0° 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 172
  • 177. 7” 7/8 7.5 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.31 rev/gal   0.082 rev/L 93 - 186 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa 1120 psi 8508 lb-ft 1680 psi 12761 lb-ft 7722 kPa 11535 N-m 11583 kPa 17302 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 173
  • 178. 7 3/4” 4/5 3.6 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 307 in (7.80 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     2870 lbs (1302 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.2 1.2 1.2 2.7 3.1 3.8 0.78° 2.6 2.5 2.4 4.8 5.2 5.8 1.15° 4.9 3.6 3.5 6.8 7.1 7.8 1.50° 7.2 5.7 4.6 8.7 9.0 9.6 1.83° 9.3 7.8 5.6 10.5 10.8 11.3 2.12° 11.1 9.6 6.5 12.1 12.3 12.8 **2.25° 11.9 10.4 7.3 12.8 13.0 13.5 2.38° 12.8 11.2 8.1 13.5 13.7 14.2 2.60° 14.2 12.6 9.4 14.7 14.9 15.3 2.77° 15.2 13.7 10.5 15.6 15.8 16.2 2.89° 16.0 14.4 11.2 16.2 16.4 16.8 2.97° 16.5 14.9 11.7 16.7 16.9 17.2 3.00° 16.7 15.1 11.9 16.8 17.0 17.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.7 3.9 6.0 8.0 9.9 11.6 12.3 13.0 14.3 15.3 15.9 16.4 16.6 1.7 3.9 6.0 8.0 9.9 11.5 12.3 13.0 14.3 15.2 15.9 16.4 16.5 1.7 3.9 6.0 8.0 9.9 11.5 12.2 13.0 14.2 15.2 15.9 16.3 16.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 0.78 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 0.39 1.50 0.00 0.00 0.39 17.5° 0.00 0.39 1.15 0.00 20.0° 0.00 0.78 22.5° 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 174
  • 179. 7 3/4” 4/5 3.6 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.25 rev/gal   0.066 rev/L 75 - 226 rpm Approx Press Drop @ 900 gpm (No Load) 200 psi 1400 kpa 520 psi 5106 lb-ft 780 psi 7659 lb-ft 3585 kPa 6923 N-m 5378 kPa 10384 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 175
  • 180. 7 3/4” 4/5 5.3 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 367 in (9.33 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     3430 lbs (1556 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.1 1.1 1.0 2.3 2.5 3.1 0.78° 2.2 2.1 2.1 4.1 4.4 4.9 1.15° 4.2 3.1 3.1 5.9 6.1 6.6 1.50° 6.1 4.9 4.0 7.6 7.8 8.2 1.83° 7.9 6.6 4.9 9.1 9.3 9.7 2.12° 9.5 8.2 5.6 10.5 10.7 11.1 **2.25° 10.2 8.9 6.3 11.2 11.3 11.7 2.38° 10.9 9.6 7.0 11.8 11.9 12.3 2.60° 12.1 10.8 8.1 12.8 13.0 13.3 2.77° 13.1 11.7 9.0 13.6 13.8 14.1 2.89° 13.7 12.4 9.6 14.2 14.4 14.6 2.97° 14.2 12.8 10.1 14.6 14.7 15.0 3.00° 14.3 13.0 10.2 14.7 14.9 15.2 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.5 3.5 5.3 7.1 8.8 10.2 10.9 11.5 12.6 13.5 14.1 14.5 14.6 1.5 3.5 5.3 7.1 8.7 10.2 10.9 11.5 12.6 13.5 14.1 14.5 14.6 1.5 3.5 5.3 7.1 8.7 10.2 10.8 11.5 12.6 13.4 14.0 14.4 14.6 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 1.50 6.0° 1.50 1.83 1.83 1.50 1.50 1.50 1.15 1.15 1.15 8.0° 1.15 1.50 1.83 1.15 1.15 1.15 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.0° 0.39 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 14.0° 0.00 0.39 1.15 0.00 0.00 0.00 16.0° 0.00 0.78 18.0° 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 176
  • 181. 7 3/4” 4/5 5.3 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.26 rev/gal   0.068 rev/L 77 - 230 rpm Approx Press Drop @ 900 gpm (No Load) 300 psi 2050 kpa 750 psi 7029 lb-ft 1125 psi 10544 lb-ft 5171 kPa 9530 N-m 7757 kPa 14295 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 177
  • 182. 7 3/4” 5/6 5.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 307 in (7.80 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     2870 lbs (1302 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.2 1.2 1.2 2.7 3.1 3.8 0.78° 2.6 2.5 2.4 4.8 5.2 5.8 1.15° 4.9 3.6 3.5 6.8 7.1 7.8 1.50° 7.2 5.7 4.6 8.7 9.0 9.6 1.83° 9.3 7.8 5.6 10.5 10.8 11.3 2.12° 11.1 9.6 6.5 12.1 12.3 12.8 **2.25° 11.9 10.4 7.3 12.8 13.0 13.5 2.38° 12.8 11.2 8.1 13.5 13.7 14.2 2.60° 14.2 12.6 9.4 14.7 14.9 15.3 2.77° 15.2 13.7 10.5 15.6 15.8 16.2 2.89° 16.0 14.4 11.2 16.2 16.4 16.8 2.97° 16.5 14.9 11.7 16.7 16.9 17.2 3.00° 16.7 15.1 11.9 16.8 17.0 17.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.7 3.9 6.0 8.0 9.9 11.6 12.3 13.0 14.3 15.3 15.9 16.4 16.6 1.7 3.9 6.0 8.0 9.9 11.5 12.3 13.0 14.3 15.2 15.9 16.4 16.5 1.7 3.9 6.0 8.0 9.9 11.5 12.2 13.0 14.2 15.2 15.9 16.3 16.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 0.78 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 0.39 1.50 0.00 0.00 0.39 17.5° 0.00 0.39 1.15 0.00 20.0° 0.00 0.78 22.5° 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 178
  • 183. 7 3/4” 5/6 5.0 Recommended Operating Limits Flow Range   500 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1893 - 3407 lpm 0.29 rev/gal   0.076 rev/L 143 - 257 rpm Approx Press Drop @ 900 gpm (No Load) 300 psi 2050 kpa 700 psi 5529 lb-ft 1050 psi 8294 lb-ft 4826 kPa 7497 N-m 7239 kPa 11245 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 179
  • 184. 7 3/4” 6/7 4.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B (87 in) (2.20 m) Bit to Top Sub C 345 in (8.77 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     3230 lbs (1465 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.1 1.1 1.1 2.4 2.7 3.3 0.78° 2.3 2.2 2.2 4.4 4.6 5.2 1.15° 4.4 3.3 3.2 6.2 6.5 7.0 1.50° 6.5 5.1 4.2 8.0 8.2 8.7 1.83° 8.4 7.0 5.1 9.6 9.8 10.3 2.12° 10.0 8.7 5.9 11.0 11.3 11.7 **2.25° 10.8 9.4 6.6 11.7 11.9 12.3 2.38° 11.5 10.2 7.3 12.3 12.5 12.9 2.60° 12.8 11.4 8.5 13.4 13.6 14.0 2.77° 13.8 12.4 9.5 14.3 14.5 14.8 2.89° 14.5 13.1 10.2 14.9 15.1 15.4 2.97° 14.9 13.5 10.6 15.3 15.5 15.8 3.00° 15.1 13.7 10.8 15.4 15.6 15.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.6 3.6 5.6 7.4 9.2 10.7 11.4 12.0 13.2 14.1 14.7 15.1 15.3 1.6 3.6 5.6 7.4 9.1 10.7 11.3 12.0 13.2 14.1 14.7 15.1 15.3 1.6 3.6 5.6 7.4 9.1 10.6 11.3 12.0 13.1 14.0 14.7 15.1 15.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.50 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.5° 0.39 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.00 0.39 1.15 0.00 0.00 17.5° 0.00 0.78 20.0° 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 180
  • 185. 7 3/4” 6/7 4.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.18 rev/gal   0.047 rev/L 53 - 159 rpm Approx Press Drop @ 900 gpm (No Load) 250 psi 1700 kpa 565 psi 7783 lb-ft 848 psi 11675 lb-ft 3896 kPa 10553 N-m 5843 kPa 15829 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US STD OS 2xOS Availability     Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 181
  • 186. 7 3/4” 7/8 2.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 307 in (7.80 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     2870 lbs (1302 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.2 1.2 1.2 2.7 3.1 3.8 0.78° 2.6 2.5 2.4 4.8 5.2 5.8 1.15° 4.9 3.6 3.5 6.8 7.1 7.8 1.50° 7.2 5.7 4.6 8.7 9.0 9.6 1.83° 9.3 7.8 5.6 10.5 10.8 11.3 2.12° 11.1 9.6 6.5 12.1 12.3 12.8 **2.25° 11.9 10.4 7.3 12.8 13.0 13.5 2.38° 12.8 11.2 8.1 13.5 13.7 14.2 2.60° 14.2 12.6 9.4 14.7 14.9 15.3 2.77° 15.2 13.7 10.5 15.6 15.8 16.2 2.89° 16.0 14.4 11.2 16.2 16.4 16.8 2.97° 16.5 14.9 11.7 16.7 16.9 17.2 3.00° 16.7 15.1 11.9 16.8 17.0 17.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.7 3.9 6.0 8.0 9.9 11.6 12.3 13.0 14.3 15.3 15.9 16.4 16.6 1.7 3.9 6.0 8.0 9.9 11.5 12.3 13.0 14.3 15.2 15.9 16.4 16.5 1.7 3.9 6.0 8.0 9.9 11.5 12.2 13.0 14.2 15.2 15.9 16.3 16.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 0.78 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 0.39 1.50 0.00 0.00 0.39 17.5° 0.00 0.39 1.15 0.00 20.0° 0.00 0.78 22.5° 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 182
  • 187. 7 3/4” 7/8 2.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.12 rev/gal   0.031 rev/L 35 - 106 rpm Approx Press Drop @ 900 gpm (No Load) 250 psi 1700 kpa 295 psi 6055 lb-ft 443 psi 9082 lb-ft 2034 kPa 8209 N-m 3051 kPa 12314 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 183
  • 188. 7 3/4” 7/8 3.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 307 in (7.80 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     2870 lbs (1302 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.2 1.2 1.2 2.7 3.1 3.8 0.78° 2.6 2.5 2.4 4.8 5.2 5.8 1.15° 4.9 3.6 3.5 6.8 7.1 7.8 1.50° 7.2 5.7 4.6 8.7 9.0 9.6 1.83° 9.3 7.8 5.6 10.5 10.8 11.3 2.12° 11.1 9.6 6.5 12.1 12.3 12.8 **2.25° 11.9 10.4 7.3 12.8 13.0 13.5 2.38° 12.8 11.2 8.1 13.5 13.7 14.2 2.60° 14.2 12.6 9.4 14.7 14.9 15.3 2.77° 15.2 13.7 10.5 15.6 15.8 16.2 2.89° 16.0 14.4 11.2 16.2 16.4 16.8 2.97° 16.5 14.9 11.7 16.7 16.9 17.2 3.00° 16.7 15.1 11.9 16.8 17.0 17.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.7 3.9 6.0 8.0 9.9 11.6 12.3 13.0 14.3 15.3 15.9 16.4 16.6 1.7 3.9 6.0 8.0 9.9 11.5 12.3 13.0 14.3 15.2 15.9 16.4 16.5 1.7 3.9 6.0 8.0 9.9 11.5 12.2 13.0 14.2 15.2 15.9 16.3 16.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 0.78 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 0.39 1.50 0.00 0.00 0.39 17.5° 0.00 0.39 1.15 0.00 20.0° 0.00 0.78 22.5° 0.39 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 184
  • 189. 7 3/4” 7/8 3.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.17 rev/gal   0.045 rev/L 51 - 152 rpm Approx Press Drop @ 900 gpm (No Load) 300 psi 2050 kpa 460 psi 6604 lb-ft 690 psi 9906 lb-ft 3172 kPa 8954 N-m 4757 kPa 13430 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 185
  • 190. 7 3/4” 7/8 4.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Alternate Stator Tube OD Available: 8 in (203 mm) Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 345 in (8.77 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     3230 lbs (1465 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.1 1.1 1.1 2.4 2.7 3.3 0.78° 2.3 2.2 2.2 4.4 4.6 5.2 1.15° 4.4 3.3 3.2 6.2 6.5 7.0 1.50° 6.5 5.1 4.2 8.0 8.2 8.7 1.83° 8.4 7.0 5.1 9.6 9.8 10.3 2.12° 10.0 8.7 5.9 11.0 11.3 11.7 **2.25° 10.8 9.4 6.6 11.7 11.9 12.3 2.38° 11.5 10.2 7.3 12.3 12.5 12.9 2.60° 12.8 11.4 8.5 13.4 13.6 14.0 2.77° 13.8 12.4 9.5 14.3 14.5 14.8 2.89° 14.5 13.1 10.2 14.9 15.1 15.4 2.97° 14.9 13.5 10.6 15.3 15.5 15.8 3.00° 15.1 13.7 10.8 15.4 15.6 15.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.6 3.6 5.6 7.4 9.2 10.7 11.4 12.0 13.2 14.1 14.7 15.1 15.3 1.6 3.6 5.6 7.4 9.1 10.7 11.3 12.0 13.2 14.1 14.7 15.1 15.3 1.6 3.6 5.6 7.4 9.1 10.6 11.3 12.0 13.1 14.0 14.7 15.1 15.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.50 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.15 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.5° 0.39 0.78 1.50 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.00 0.39 1.15 0.00 0.00 17.5° 0.00 0.78 20.0° 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 186
  • 191. 7 3/4” 7/8 4.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.17 rev/gal   0.044 rev/L 50 - 149 rpm Approx Press Drop @ 900 gpm (No Load) 350 psi 2400 kpa 570 psi 8333 lb-ft 855 psi 12500 lb-ft 3930 kPa 11299 N-m 5895 kPa 16948 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 187
  • 192. 8” 5/6 3.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 251 in (6.37 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     2500 lbs (1134 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.5 1.4 1.4 3.2 3.7 4.7 0.78° 2.9 2.9 2.8 5.6 6.1 7.0 1.15° 5.7 4.2 4.1 7.8 8.3 9.2 1.50° 8.3 6.6 5.4 10.0 10.4 11.2 1.83° 10.8 9.0 6.5 12.0 12.4 13.2 2.12° 12.9 11.1 7.6 13.8 14.1 14.9 **2.25° 13.9 12.1 8.4 14.6 14.9 15.6 2.38° 14.9 13.0 9.3 15.4 15.7 16.4 2.60° 16.5 14.7 10.9 16.7 17.0 17.7 2.77° 17.8 15.9 12.1 17.8 18.1 18.7 2.89° 18.7 16.8 12.9 18.7 18.8 19.4 2.97° 19.3 17.4 13.5 19.3 19.3 19.9 3.00° 19.5 17.6 13.7 19.5 19.4 20.0 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.9 4.4 6.8 9.1 11.2 13.1 14.0 14.8 16.2 17.3 18.3 18.9 19.2 1.9 4.4 6.8 9.1 11.2 13.1 13.9 14.8 16.2 17.3 18.1 18.6 18.8 1.9 4.4 6.8 9.1 11.2 13.0 13.9 14.7 16.1 17.2 18.0 18.5 18.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.50 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 1.15 1.15 1.50 0.78 0.78 0.78 12.0° 0.78 1.50 1.83 0.78 0.78 1.15 0.39 0.39 0.39 15.0° 0.39 1.15 1.83 0.39 0.39 0.39 0.00 0.00 0.00 18.0° 0.39 0.78 1.83 0.00 0.00 21.0° 0.00 0.39 1.50 24.0° 0.00 1.15 27.0° 0.78 30.0° 0.39 33.0° 0.00 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 188
  • 193. 8” 5/6 3.0 Recommended Operating Limits Flow Range   500 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1893 - 3407 lpm 0.31 rev/gal   0.082 rev/L 155 - 279 rpm Approx Press Drop @ 900 gpm (No Load) 300 psi 2050 kpa 435 psi 3436 lb-ft 653 psi 5154 lb-ft 2999 kPa 4659 N-m 4499 kPa 6988 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 189
  • 194. 8” 6/7 5.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 36 in (0.92 m) Bit to Bend B 87 in (2.20 m) Bit to Top Sub C 389 in (9.89 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     3880 lbs (1760 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.0 1.0 1.0 2.0 2.3 2.8 0.78° 2.0 2.0 2.0 3.8 4.0 4.5 1.15° 3.9 3.0 2.9 5.5 5.7 6.2 1.50° 5.7 4.5 3.8 7.1 7.3 7.7 1.83° 7.4 6.2 4.6 8.6 8.8 9.2 2.12° 8.9 7.7 5.4 10.0 10.1 10.5 **2.25° 9.6 8.4 5.9 10.6 10.7 11.0 2.38° 10.3 9.1 6.5 11.2 11.3 11.6 2.60° 11.4 10.2 7.6 12.2 12.3 12.6 2.77° 12.3 11.1 8.5 13.0 13.1 13.4 2.89° 13.0 11.7 9.1 13.5 13.6 13.9 2.97° 13.4 12.1 9.5 13.9 14.0 14.3 3.00° 13.5 12.3 9.6 14.0 14.1 14.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.5 3.3 5.1 6.8 8.4 9.8 10.4 11.0 12.1 12.9 13.5 13.9 14.0 1.5 3.3 5.1 6.8 8.4 9.8 10.4 11.0 12.1 12.9 13.5 13.9 14.0 1.5 3.3 5.1 6.8 8.4 9.8 10.4 11.0 12.1 12.9 13.4 13.8 14.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.50 1.83 1.50 1.50 1.50 8.0° 1.15 1.50 1.83 1.15 1.15 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.39 0.39 0.39 12.0° 0.39 0.78 1.50 0.39 0.39 0.78 0.00 0.00 0.00 14.0° 0.00 0.39 1.15 0.00 0.00 0.39 16.0° 0.00 0.00 0.78 0.00 18.0° 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 190
  • 195. 8” 6/7 5.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.18 rev/gal   0.047 rev/L 53 - 159 rpm Approx Press Drop @ 900 gpm (No Load) 300 psi 2050 kpa 715 psi 9618 lb-ft 1073 psi 14427 lb-ft 4930 kPa 13041 N-m 7395 kPa 19561 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD  OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 191
  • 196. 9 5/8” 2/3 7.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 364 in (9.26 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5250 lbs (2381 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 1.0 1.0 2.4 3.2 4.0 0.78° 2.1 2.0 1.9 4.2 4.9 5.6 1.15° 3.2 3.0 2.8 5.9 6.6 7.2 1.50° 5.0 3.9 3.7 7.5 8.1 8.7 1.83° 6.8 4.7 4.5 9.0 9.6 10.1 2.12° 8.3 5.4 5.2 10.3 10.9 11.4 **2.25° 9.0 5.8 5.6 10.9 11.5 11.9 2.38° 9.7 6.2 5.9 11.5 12.0 12.5 2.60° 10.9 7.3 6.4 12.5 13.0 13.4 2.77° 11.8 8.2 6.8 13.3 13.8 14.2 2.89° 12.4 8.8 7.1 13.9 14.3 14.7 2.97° 12.9 9.2 7.3 14.2 14.7 15.0 3.00° 13.0 9.3 7.4 14.4 14.8 15.1 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.6 3.5 5.3 7.0 8.7 10.1 10.7 11.4 12.5 13.3 13.9 14.3 14.4 1.6 3.5 5.3 7.0 8.6 10.0 10.7 11.3 12.4 13.2 13.8 14.2 14.4 1.6 3.5 5.3 7.0 8.6 10.0 10.6 11.3 12.3 13.2 13.7 14.1 14.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 1.50 1.83 0.00 0.39 18.0° 0.78 1.83 21.0° 0.39 1.83 24.0° 0.00 1.15 27.0° 0.78 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 192
  • 197. 9 5/8” 2/3 7.5 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.49 rev/gal   0.13 rev/L 295 - 590 rpm Approx Press Drop @ 1200 gpm (No Load) 250 psi 1700 kpa 1040 psi 5853 lb-ft 1560 psi 8780 lb-ft 7171 kPa 7936 N-m 10756 kPa 11904 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 193
  • 198. 9 5/8” 3/4 4.5 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 334 in (8.49 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     4820 lbs (2186 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.1 1.1 1.0 2.6 3.6 4.4 0.78° 2.2 2.1 2.1 4.5 5.4 6.2 1.15° 3.4 3.2 3.0 6.3 7.1 7.8 1.50° 5.4 4.1 3.9 8.0 8.8 9.4 1.83° 7.3 5.0 4.8 9.6 10.3 10.9 2.12° 9.0 5.8 5.6 11.0 11.7 12.2 **2.25° 9.7 6.2 5.9 11.7 12.3 12.8 2.38° 10.4 6.6 6.3 12.3 12.9 13.4 2.60° 11.7 7.8 6.8 13.4 13.9 14.4 2.77° 12.7 8.7 7.3 14.2 14.7 15.1 2.89° 13.3 9.4 7.6 14.8 15.3 15.7 2.97° 13.8 9.8 7.8 15.2 15.6 16.0 3.00° 14.0 10.0 7.9 15.3 15.8 16.2 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.6 3.7 5.6 7.5 9.2 10.7 11.4 12.1 13.2 14.1 14.7 15.1 15.3 1.6 3.7 5.6 7.4 9.1 10.6 11.3 12.0 13.1 14.0 14.6 15.1 15.2 1.7 3.7 5.6 7.4 9.1 10.6 11.3 11.9 13.1 13.9 14.6 15.0 15.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.78 1.15 0.00 0.00 0.00 15.0° 0.39 1.50 1.83 0.00 0.00 0.39 18.0° 0.00 1.15 1.83 0.00 21.0° 0.78 1.83 24.0° 0.39 1.50 27.0° 0.00 1.15 30.0° 0.78 33.0° 0.39 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 194
  • 199. 9 5/8” 3/4 4.5 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.22 rev/gal   0.057 rev/L 130 - 260 rpm Approx Press Drop @ 1200 gpm (No Load) 150 psi 1050 kpa 615 psi 7184 lb-ft 923 psi 10776 lb-ft 4240 kPa 9740 N-m 6360 kPa 14610 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 195
  • 200. 9 5/8” 3/4 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 384 in (9.76 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5540 lbs (2513 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 1.0 0.9 2.3 3.0 3.7 0.78° 2.0 1.9 1.9 4.0 4.7 5.3 1.15° 3.0 2.8 2.7 5.6 6.3 6.9 1.50° 4.8 3.7 3.6 7.2 7.8 8.3 1.83° 6.5 4.5 4.3 8.7 9.2 9.7 2.12° 8.0 5.2 5.0 9.9 10.4 10.9 **2.25° 8.6 5.5 5.3 10.5 11.0 11.4 2.38° 9.3 5.9 5.6 11.1 11.5 11.9 2.60° 10.4 7.0 6.2 12.1 12.5 12.9 2.77° 11.3 7.8 6.6 12.8 13.2 13.6 2.89° 11.9 8.4 6.8 13.3 13.7 14.1 2.97° 12.3 8.8 7.0 13.7 14.1 14.4 3.00° 12.5 9.0 7.1 13.8 14.2 14.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.5 3.4 5.1 6.8 8.3 9.7 10.3 11.0 12.0 12.8 13.4 13.8 13.9 1.5 3.4 5.1 6.8 8.3 9.7 10.3 10.9 11.9 12.7 13.3 13.7 13.8 1.5 3.3 5.1 6.7 8.3 9.6 10.2 10.9 11.9 12.7 13.2 13.6 13.8 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 1.15 1.83 0.00 0.00 18.0° 0.78 1.83 21.0° 0.39 1.50 24.0° 0.78 27.0° 0.39 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 196
  • 201. 9 5/8” 3/4 6.0 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.21 rev/gal   0.055 rev/L 125 - 251 rpm Approx Press Drop @ 1200 gpm (No Load) 350 psi 2400 kpa 830 psi 8849 lb-ft 1245 psi 13273 lb-ft 5723 kPa 11997 N-m 8584 kPa 17996 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 197
  • 202. 9 5/8” 5/6 3.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 334 in (8.49 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     4820 lbs (2186 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.1 1.1 1.0 2.6 3.6 4.4 0.78° 2.2 2.1 2.1 4.5 5.4 6.2 1.15° 3.4 3.2 3.0 6.3 7.1 7.8 1.50° 5.4 4.1 3.9 8.0 8.8 9.4 1.83° 7.3 5.0 4.8 9.6 10.3 10.9 2.12° 9.0 5.8 5.6 11.0 11.7 12.2 **2.25° 9.7 6.2 5.9 11.7 12.3 12.8 2.38° 10.4 6.6 6.3 12.3 12.9 13.4 2.60° 11.7 7.8 6.8 13.4 13.9 14.4 2.77° 12.7 8.7 7.3 14.2 14.7 15.1 2.89° 13.3 9.4 7.6 14.8 15.3 15.7 2.97° 13.8 9.8 7.8 15.2 15.6 16.0 3.00° 14.0 10.0 7.9 15.3 15.8 16.2 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.6 3.7 5.6 7.5 9.2 10.7 11.4 12.1 13.2 14.1 14.7 15.1 15.3 1.6 3.7 5.6 7.4 9.1 10.6 11.3 12.0 13.1 14.0 14.6 15.1 15.2 1.7 3.7 5.6 7.4 9.1 10.6 11.3 11.9 13.1 13.9 14.6 15.0 15.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.78 1.15 0.00 0.00 0.00 15.0° 0.39 1.50 1.83 0.00 0.00 0.39 18.0° 0.00 1.15 1.83 0.00 21.0° 0.78 1.83 24.0° 0.39 1.50 27.0° 0.00 1.15 30.0° 0.78 33.0° 0.39 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 198
  • 203. 9 5/8” 5/6 3.0 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.11 rev/gal   0.029 rev/L 67 - 133 rpm Approx Press Drop @ 1200 gpm (No Load) 150 psi 1050 kpa 410 psi 8988 lb-ft 615 psi 13483 lb-ft 2827 kPa 12187 N-m 4240 kPa 18280 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 199
  • 204. 9 5/8” 5/6 4.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 384 in (9.76 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5540 lbs (2513 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 1.0 0.9 2.3 3.0 3.7 0.78° 2.0 1.9 1.9 4.0 4.7 5.3 1.15° 3.0 2.8 2.7 5.6 6.3 6.9 1.50° 4.8 3.7 3.6 7.2 7.8 8.3 1.83° 6.5 4.5 4.3 8.7 9.2 9.7 2.12° 8.0 5.2 5.0 9.9 10.4 10.9 **2.25° 8.6 5.5 5.3 10.5 11.0 11.4 2.38° 9.3 5.9 5.6 11.1 11.5 11.9 2.60° 10.4 7.0 6.2 12.1 12.5 12.9 2.77° 11.3 7.8 6.6 12.8 13.2 13.6 2.89° 11.9 8.4 6.8 13.3 13.7 14.1 2.97° 12.3 8.8 7.0 13.7 14.1 14.4 3.00° 12.5 9.0 7.1 13.8 14.2 14.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.5 3.4 5.1 6.8 8.3 9.7 10.3 11.0 12.0 12.8 13.4 13.8 13.9 1.5 3.4 5.1 6.8 8.3 9.7 10.3 10.9 11.9 12.7 13.3 13.7 13.8 1.5 3.3 5.1 6.7 8.3 9.6 10.2 10.9 11.9 12.7 13.2 13.6 13.8 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 1.15 1.83 0.00 0.00 18.0° 0.78 1.83 21.0° 0.39 1.50 24.0° 0.78 27.0° 0.39 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 200
  • 205. 9 5/8” 5/6 4.0 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.11 rev/gal   0.029 rev/L 66 - 132 rpm Approx Press Drop @ 1200 gpm (No Load) 200 psi 1400 kpa 555 psi 11865 lb-ft 833 psi 17798 lb-ft 3827 kPa 16087 N-m 5740 kPa 24131 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 201
  • 206. 9 5/8” 6/7 5.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 364 in (9.26 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5250 lbs (2381 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 1.0 1.0 2.4 3.2 4.0 0.78° 2.1 2.0 1.9 4.2 4.9 5.6 1.15° 3.2 3.0 2.8 5.9 6.6 7.2 1.50° 5.0 3.9 3.7 7.5 8.1 8.7 1.83° 6.8 4.7 4.5 9.0 9.6 10.1 2.12° 8.3 5.4 5.2 10.3 10.9 11.4 **2.25° 9.0 5.8 5.6 10.9 11.5 11.9 2.38° 9.7 6.2 5.9 11.5 12.0 12.5 2.60° 10.9 7.3 6.4 12.5 13.0 13.4 2.77° 11.8 8.2 6.8 13.3 13.8 14.2 2.89° 12.4 8.8 7.1 13.9 14.3 14.7 2.97° 12.9 9.2 7.3 14.2 14.7 15.0 3.00° 13.0 9.3 7.4 14.4 14.8 15.1 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.6 3.5 5.3 7.0 8.7 10.1 10.7 11.4 12.5 13.3 13.9 14.3 14.4 1.6 3.5 5.3 7.0 8.6 10.0 10.7 11.3 12.4 13.2 13.8 14.2 14.4 1.6 3.5 5.3 7.0 8.6 10.0 10.6 11.3 12.3 13.2 13.7 14.1 14.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.15 1.15 9.0° 1.15 1.83 1.83 0.78 1.15 1.50 0.39 0.39 0.39 12.0° 0.78 1.83 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 1.50 1.83 0.00 0.39 18.0° 0.78 1.83 21.0° 0.39 1.83 24.0° 0.00 1.15 27.0° 0.78 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 202
  • 207. 9 5/8” 6/7 5.0 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.13 rev/gal   0.034 rev/L 78 - 156 rpm Approx Press Drop @ 1200 gpm (No Load) 200 psi 1400 kpa 715 psi 12881 lb-ft 1073 psi 19322 lb-ft 4930 kPa 17465 N-m 7395 kPa 26197 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS  2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 203
  • 208. 9 5/8” 6/7 6.0 Stage Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 406 in (10.32 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5860 lbs (2658 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 0.9 0.9 2.2 2.8 3.4 0.78° 1.9 1.8 1.8 3.8 4.4 5.0 1.15° 2.9 2.7 2.6 5.4 6.0 6.5 1.50° 4.6 3.5 3.4 6.9 7.4 7.9 1.83° 6.2 4.3 4.2 8.3 8.8 9.2 2.12° 7.6 5.0 4.8 9.5 10.0 10.4 **2.25° 8.3 5.3 5.1 10.1 10.5 10.9 2.38° 8.9 5.6 5.4 10.6 11.0 11.4 2.60° 10.0 6.7 5.9 11.6 11.9 12.3 2.77° 10.8 7.5 6.3 12.3 12.7 13.0 2.89° 11.4 8.0 6.6 12.8 13.1 13.4 2.97° 11.8 8.4 6.7 13.1 13.5 13.8 3.00° 11.9 8.6 6.8 13.3 13.6 13.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.4 3.2 4.9 6.5 8.0 9.3 9.9 10.5 11.5 12.3 12.9 13.2 13.4 1.5 3.2 4.9 6.5 8.0 9.3 9.9 10.5 11.5 12.3 12.8 13.2 13.3 1.5 3.2 4.9 6.5 8.0 9.3 9.8 10.4 11.4 12.2 12.7 13.1 13.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.50 1.83 1.83 1.15 1.50 1.50 0.78 0.78 0.78 10.0° 0.78 1.83 1.83 0.39 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 1.50 1.83 0.00 0.39 0.39 15.0° 0.00 1.15 1.83 0.00 17.5° 0.78 1.83 20.0° 0.39 1.50 22.5° 0.78 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 204
  • 209. 9 5/8” 6/7 6.0 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.13 rev/gal   0.034 rev/L 77 - 155 rpm Approx Press Drop @ 1200 gpm (No Load) 250 psi 1700 kpa 880 psi 15775 lb-ft 1320 psi 23662 lb-ft 6067 kPa 21388 N-m 9101 kPa 32082 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS    Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 205
  • 210. 11 1/4” 3/4 3.6 Stage Specifications on this page are for an ST2 motor* B A C ® D E Bit to Center of Stabilizer Blade A 49 in (1.24 m) Bit to Bend B 110 in (2.79 m) Bit to Top Sub C 386 in (9.80 m) Max OD of Motor at Upset for Stabilizer D 12.25 in (311 mm) Radius @ Adjusting Ring E 5.75 in (146 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 11.50 in (292 mm) Max OD of Slick Motor w/ Straight Housing 11.50 in (292 mm) Bit to Max Slick OD w/ Straight Housing 105.57 in (2681 mm)     7600 lbs (3447 kg) Estimated Total Weight: Common Top Connection: 7 5/8 REG, 8 5/8 REG Common Btm Connection: 7 5/8 REG, 8 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg 0.39° 1.0 0.9 0.8 2.5 3.2 4.8 0.78° 1.9 1.8 1.7 4.1 4.8 6.3 1.15° 2.8 2.7 2.4 5.7 6.3 7.7 1.50° 3.8 3.5 3.2 7.2 7.7 8.9 1.83° 5.4 4.3 3.9 8.5 9.1 10.2 2.12° 6.8 5.0 4.5 9.8 10.3 11.2 **2.25° 7.5 5.3 4.8 10.3 10.8 11.7 2.38° 8.1 5.6 5.0 10.8 11.3 12.2 2.60° 9.2 6.1 5.5 11.8 12.2 13.0 2.77° 10.0 6.8 5.9 12.5 12.9 13.6 2.89° 10.6 7.4 6.1 13.0 13.4 14.1 2.97° 11.0 7.7 6.3 13.3 13.7 14.4 3.00° 11.1 7.9 6.3 13.5 13.8 14.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 14-3/4 17-1/2 26 1.5 3.3 5.0 6.6 8.1 9.5 10.1 10.7 11.7 12.5 13.0 13.4 13.5 1.5 3.3 5.0 6.6 8.1 9.4 10.0 10.6 11.6 12.4 13.0 13.3 13.5 1.5 3.3 4.9 6.5 8.0 9.3 9.9 10.4 11.4 12.2 12.7 13.1 13.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 26 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg/100ft 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.15 1.50 1.83 0.78 0.78 0.78 8.0° 1.15 1.83 1.83 0.39 0.78 1.50 0 0 0 12.0° 0.39 1.50 1.83 0 0.78 16.0° 0.78 1.83 0 20.0° 0.39 1.83 24.0° 1.83 28.0° 1.83 32.0° 1.83 36.0° 1.15 40.0° 0.39 44.0° 48.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 206
  • 211. 11 1/4” 3/4 3.6 Recommended Operating Limits Flow Range   900 - 1500 gpm Revs per Unit Volume (No Load) Speed (No Load) 3407 - 5678 lpm 0.12 rev/gal   0.031 rev/L 107 - 179 rpm Approx Press Drop @ 1500 gpm (No Load) 250 psi 1700 kpa 505 psi 12174 lb-ft 758 psi 18260 lb-ft 3482 kPa 16505 N-m 5223 kPa 24758 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 207
  • 212. 11 1/4” 6/7 5.5 Stage Specifications on this page are for an ST2 motor* B A C ® D E Bit to Center of Stabilizer Blade A 49 in (1.24 m) Bit to Bend B 110 in (2.79 m) Bit to Top Sub C 431 in (10.94 m) Max OD of Motor at Upset for Stabilizer D 12.25 in (311 mm) Radius @ Adjusting Ring E 5.75 in (146 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 11.50 in (292 mm) Max OD of Slick Motor w/ Straight Housing 11.50 in (292 mm) Bit to Max Slick OD w/ Straight Housing 105.57 in (2681 mm)     8480 lbs (3846 kg) Estimated Total Weight: Common Top Connection: 7 5/8 REG, 8 5/8 REG Common Btm Connection: 7 5/8 REG, 8 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg 0.39° 0.9 0.9 0.8 2.2 2.8 4.2 0.78° 1.8 1.7 1.5 3.7 4.3 5.6 1.15° 2.6 2.5 2.3 5.2 5.7 6.9 1.50° 3.5 3.3 2.9 6.5 7.0 8.1 1.83° 4.9 4.0 3.6 7.8 8.3 9.2 2.12° 6.2 4.6 4.2 9.0 9.4 10.2 **2.25° 6.8 4.9 4.4 9.5 9.9 10.7 2.38° 7.4 5.2 4.7 10.0 10.4 11.1 2.60° 8.4 5.6 5.1 10.8 11.2 11.9 2.77° 9.2 6.2 5.4 11.5 11.8 12.5 2.89° 9.7 6.8 5.7 12.0 12.3 12.9 2.97° 10.1 7.1 5.8 12.3 12.6 13.2 3.00° 10.2 7.2 5.9 12.4 12.7 13.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 14-3/4 17-1/2 26 1.4 3.1 4.6 6.1 7.5 8.8 9.3 9.9 10.8 11.6 12.1 12.4 12.5 1.4 3.1 4.6 6.1 7.5 8.7 9.3 9.8 10.8 11.5 12.0 12.3 12.5 1.4 3.0 4.6 6.0 7.4 8.6 9.2 9.7 10.6 11.3 11.8 12.1 12.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 26 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg/100ft 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.5° 1.83 1.83 1.83 1.15 1.50 1.83 1.15 1.15 1.15 7.0° 1.15 1.83 1.83 0.39 0.78 1.50 0 0 0 10.5° 0.39 1.50 1.83 0 0.78 14.0° 0 1.15 1.83 0 17.5° 0.39 1.83 21.0° 1.83 24.5° 1.83 28.0° 1.50 31.5° 0.78 35.0° 0 38.5° 42.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 208
  • 213. 11 1/4” 6/7 5.5 Recommended Operating Limits Flow Range   900 - 1800 gpm Revs per Unit Volume (No Load) Speed (No Load) 3407 - 6814 lpm 0.09 rev/gal   0.024 rev/L 81 - 162 rpm Approx Press Drop @ 1800 gpm (No Load) 250 psi 1700 kpa 820 psi 19368 lb-ft 1230 psi 29053 lb-ft 5654 kPa 26260 N-m 8481 kPa 39390 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 209
  • 214. 11 1/4” 6/7 5.6 Stage Specifications on this page are for an ST2 motor* B A C ® D E Bit to Center of Stabilizer Blade A 49 in (1.24 m) Bit to Bend B 110 in (2.79 m) Bit to Top Sub C 431 in (10.94 m) Max OD of Motor at Upset for Stabilizer D 12.25 in (311 mm) Radius @ Adjusting Ring E 5.75 in (146 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 11.50 in (292 mm) Max OD of Slick Motor w/ Straight Housing 11.50 in (292 mm) Bit to Max Slick OD w/ Straight Housing 105.57 in (2681 mm)     8480 lbs (3846 kg) Estimated Total Weight: Common Top Connection: 7 5/8 REG, 8 5/8 REG Common Btm Connection: 7 5/8 REG, 8 5/8 REG * For additional information, including previous designs, refer to Section 9: Motor Performance Summary on page 57. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg 0.39° 0.9 0.9 0.8 2.2 2.8 4.2 0.78° 1.8 1.7 1.5 3.7 4.3 5.6 1.15° 2.6 2.5 2.3 5.2 5.7 6.9 1.50° 3.5 3.3 2.9 6.5 7.0 8.1 1.83° 4.9 4.0 3.6 7.8 8.3 9.2 2.12° 6.2 4.6 4.2 9.0 9.4 10.2 **2.25° 6.8 4.9 4.4 9.5 9.9 10.7 2.38° 7.4 5.2 4.7 10.0 10.4 11.1 2.60° 8.4 5.6 5.1 10.8 11.2 11.9 2.77° 9.2 6.2 5.4 11.5 11.8 12.5 2.89° 9.7 6.8 5.7 12.0 12.3 12.9 2.97° 10.1 7.1 5.8 12.3 12.6 13.2 3.00° 10.2 7.2 5.9 12.4 12.7 13.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 14-3/4 17-1/2 26 1.4 3.1 4.6 6.1 7.5 8.8 9.3 9.9 10.8 11.6 12.1 12.4 12.5 1.4 3.1 4.6 6.1 7.5 8.7 9.3 9.8 10.8 11.5 12.0 12.3 12.5 1.4 3.0 4.6 6.0 7.4 8.6 9.2 9.7 10.6 11.3 11.8 12.1 12.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 26 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg/100ft 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.5° 1.83 1.83 1.83 1.15 1.50 1.83 1.15 1.15 1.15 7.0° 1.15 1.83 1.83 0.39 0.78 1.50 0 0 0 10.5° 0.39 1.50 1.83 0 0.78 14.0° 0 1.15 1.83 0 17.5° 0.39 1.83 21.0° 1.83 24.5° 1.83 28.0° 1.50 31.5° 0.78 35.0° 0 38.5° 42.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 210
  • 215. 11 1/4” 6/7 5.6 Recommended Operating Limits Flow Range   1000 - 1800 gpm Revs per Unit Volume (No Load) Speed (No Load) 3785 - 6814 lpm 0.09 rev/gal   0.024 rev/L 90 - 162 rpm Approx Press Drop @ 1800 gpm (No Load) 250 psi 1700 kpa 820 psi 19377 lb-ft 1230 psi 29065 lb-ft 5654 kPa 26271 N-m 8481 kPa 39407 N-m Performance Output Std Elastomer Max Diff Pressure Std Elastomer Torque @ Max Pressure PowerPLUS™ Max Diff Pressure PowerPLUS Torque @ Max Pressure Fit Availability for All Elastomers   US Availability STD OS 2xOS  Refer to Power Section Fits on page 33 to correctly choose power section for drilling application. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 211
  • 216. 2 7/8” 5/6 3.5 Stage HEMIDRIL CT Specifications on this page are for an ST2 motor* B A C ® D E Bit to Center of Stabilizer Blade A 7 in (0.18 m) Bit to Bend B 48 in (1.23 m) Bit to Top Sub C 166 in (4.21 m) Max OD of Motor at Upset for Stabilizer D 3.00 in (76 mm) Radius @ Adjusting Ring E 1.62 in (41 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 3.24 in (82 mm) Max OD of Slick Motor w/ Straight Housing 3.00 in (76 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     210 lbs (95 kg) Estimated Total Weight: Common Top Connection: 2 3/8 REG Common Btm Connection: 2 3/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 3 1/2 4-1/4 4-1/2 3 1/2 4-1/4 4-1/2 Deg 0.39° 4.4 2.6 2.5 4.4 2.6 3.1 0.78° 9.6 5.1 5.1 9.6 6.4 7.0 1.15° 14.6 8.7 7.5 14.6 10.1 10.7 1.50° 19.3 13.2 11.3 19.3 13.7 14.2 1.83° 23.8 17.6 15.6 23.8 17.6 17.5 2.12° 27.7 21.4 19.4 27.7 21.4 20.4 **2.25° 29.4 23.1 21.0 29.4 23.1 21.7 2.38° 31.2 24.8 22.7 31.2 24.8 23.0 2.60° 34.1 27.6 25.6 34.1 27.6 25.6 2.77° 36.4 29.8 27.8 36.4 29.8 27.8 2.89° 38.0 31.4 29.3 38.0 31.4 29.3 2.97° 39.1 32.5 30.4 39.1 32.5 30.4 3.00° 39.5 32.9 30.8 39.5 32.9 30.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 3 1/2 4-1/4 4-1/2 2.8 8.0 12.9 17.5 21.9 25.7 27.5 29.2 32.1 34.3 35.9 37.0 37.4 2.6 5.2 7.6 11.0 14.3 17.9 19.6 21.4 24.3 26.5 28.1 29.1 29.5 2.6 5.1 7.6 11.1 14.4 17.3 18.6 20.0 22.2 23.9 25.5 26.6 27.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 3 1/2 4-1/4 4-1/2 3 1/2 4-1/4 4-1/2 3 1/2 4-1/4 4-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 5.5° 1.83 1.83 1.83 1.83 1.15 1.15 1.83 0.78 0.78 11.0° 1.83 1.83 1.83 1.83 0.78 0.78 1.83 0.39 0.39 16.5° 1.50 1.83 1.83 1.50 0.39 0.39 1.50 0.00 0.00 22.0° 1.15 1.83 1.83 1.15 0.00 1.15 27.5° 0.78 1.83 1.83 0.78 0.78 33.0° 0.39 1.50 1.50 0.39 0.39 38.5° 0.00 1.15 1.15 0.00 0.00 44.0° 0.78 0.78 49.5° 0.39 0.39 55.0° 0.00 0.00 60.5° 66.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 212
  • 217. 2 7/8” HEMIDRIL® 5/6 3.5 Recommended Operating Limits Flow Range   60 - 120 gpm Revs per Unit Volume (No Load) Speed (No Load) 227 - 454 lpm 3.33 rev/gal   0.88 rev/L 200 - 400 rpm Approx Press Drop @ 120 gpm (No Load) 150 psi 1050 kpa HEMIDRIL Max Diff Pressure* 883 psi 6088 kPa HEMIDRIL Torque @ Max Pressure 644 lb-ft Performance Output 873 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 213
  • 218. 5” 4/5 6.3 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 304 in (7.71 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1180 lbs (535 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.8 1.4 1.3 1.9 2.1 2.4 0.78° 4.5 3.8 2.7 4.5 4.4 4.7 1.15° 7.1 6.3 4.8 7.1 6.7 6.9 1.50° 9.5 8.7 7.2 9.5 8.8 9.0 1.83° 11.8 11.0 9.5 11.8 11.0 11.0 2.12° 13.8 13.0 11.4 13.8 13.0 12.7 **2.25° 14.7 13.9 12.3 14.7 13.9 13.5 2.38° 15.6 14.8 13.2 15.6 14.8 14.3 2.60° 17.1 16.3 14.7 17.1 16.3 15.6 2.77° 18.3 17.5 15.9 18.3 17.5 16.6 2.89° 19.1 18.3 16.7 19.1 18.3 17.3 2.97° 19.7 18.9 17.2 19.7 18.9 17.8 3.00° 19.9 19.1 17.5 19.9 19.1 17.9 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.4 4.0 6.7 9.2 11.6 13.6 14.6 15.5 17.1 18.3 19.2 19.7 20.0 1.4 3.9 6.2 8.3 10.6 12.7 13.6 14.5 16.1 17.3 18.2 18.8 19.0 1.5 3.9 6.2 8.4 10.4 12.2 13.0 13.8 15.2 16.2 17.0 17.5 17.7 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 4.0° 1.83 1.83 1.83 1.83 1.83 1.15 1.83 1.83 1.15 6.0° 1.50 1.83 1.83 1.50 0.78 0.78 1.50 1.83 0.78 8.0° 1.15 1.50 1.83 1.15 1.50 0.78 1.15 0.39 0.39 10.0° 1.15 1.15 1.50 1.15 0.39 0.39 0.78 0.00 0.00 12.0° 0.78 0.78 1.15 0.78 0.00 0.00 0.78 0.00 0.00 14.0° 0.39 0.78 1.15 16.0° 0.39 0.39 0.78 18.0° 0.00 0.00 0.39 20.0° 0.00 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 214
  • 219. 5” HEMIDRIL® 4/5 6.3 Recommended Operating Limits Flow Range   100 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 379 - 946 lpm 0.98 rev/gal   0.259 rev/L 98 - 245 rpm Approx Press Drop @ 250 gpm (No Load) 300 psi 2050 kpa Performance Output HEMIDRIL Max Diff Pressure* 1435 psi 9894 kPa HEMIDRIL Torque @ Max Pressure 3830 lb-ft 5193 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 215
  • 220. 5” 7/8 3.8 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 20 in (0.50 m) Bit to Bend B 61 in (1.55 m) Bit to Top Sub C 294 in (7.46 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.13 in (130 mm) Bit to Max Slick OD w/ Straight Housing 38.12 in (968 mm)     1140 lbs (517 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.9 1.4 1.4 2.0 2.2 2.5 0.78° 4.7 3.9 2.8 4.7 4.6 4.9 1.15° 7.3 6.5 5.0 7.3 6.9 7.1 1.50° 9.8 9.0 7.4 9.8 9.0 9.3 1.83° 12.2 11.3 9.8 12.2 11.3 11.3 2.12° 14.2 13.4 11.8 14.2 13.4 13.0 **2.25° 15.2 14.3 12.7 15.2 14.3 13.8 2.38° 16.1 15.3 13.6 16.1 15.3 14.6 2.60° 17.7 16.8 15.2 17.7 16.8 16.0 2.77° 18.9 18.0 16.4 18.9 18.0 17.0 2.89° 19.7 18.9 17.2 19.7 18.9 17.7 2.97° 20.3 19.4 17.8 20.3 19.4 18.2 3.00° 20.5 19.6 18.0 20.5 19.6 18.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.5 4.1 6.9 9.5 11.9 14.1 15.0 16.0 17.6 18.9 19.7 20.3 20.6 1.5 4.0 6.3 8.6 10.9 13.1 14.0 15.0 16.6 17.9 18.7 19.3 19.6 1.5 4.0 6.3 8.6 10.7 12.5 13.3 14.2 15.6 16.6 17.4 17.9 18.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.50 4.0° 1.83 1.83 1.83 1.83 1.83 1.15 1.83 1.83 1.15 6.0° 1.50 1.83 1.83 1.50 0.78 0.78 1.50 1.50 0.78 8.0° 1.15 1.50 1.83 1.15 1.50 0.78 1.15 0.39 0.39 10.0° 1.15 1.15 1.50 1.15 0.39 0.39 0.78 0.00 0.00 12.0° 0.78 0.78 1.15 0.78 0.00 0.00 0.78 0.00 0.00 14.0° 0.39 0.78 1.15 16.0° 0.39 0.39 0.78 18.0° 0.00 0.00 0.39 20.0° 0.00 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 216
  • 221. 5” HEMIDRIL® 7/8 3.8 Recommended Operating Limits Flow Range   150 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 946 lpm 0.52 rev/gal   0.137 rev/L 78 - 130 rpm Approx Press Drop @ 250 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 865 psi 5964 kPa 4480 lb-ft HEMIDRIL Torque @ Max Pressure 6074 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 217
  • 222. 5” 7/8 3.8 Stage HEMIDRIL SR3 Specifications on this page are for an SR3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 21 in (0.53 m) Bit to Bend B 46 in (1.17 m) Bit to Top Sub C 279 in (7.07 m) Max OD of Motor at Upset for Stabilizer D 5.56 in (141 mm) Radius @ Adjusting Ring E 2.78 in (71 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 5.56 in (141 mm) Max OD of Slick Motor w/ Straight Housing 5.56 in (141 mm) Bit to Max Slick OD w/ Straight Housing 6.70 in (170 mm)     1080 lbs (490 kg) Estimated Total Weight: Common Top Connection: 3 1/2 REG, 3 1/2 IF Common Btm Connection: 3 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg 0.39° 1.6 1.5 1.4 2.3 2.5 2.8 0.78° 4.5 3.4 2.9 4.9 5.1 5.4 1.15° 7.2 6.2 4.2 7.5 7.6 7.9 1.50° 9.9 8.8 6.7 9.9 10.0 10.3 1.83° 12.3 11.3 9.2 12.3 12.2 12.5 2.12° 14.5 13.4 11.3 14.5 14.2 14.4 **2.25° 15.5 14.4 12.3 15.5 15.1 15.3 2.38° 16.4 15.3 13.2 16.4 16.0 16.2 2.60° 18.1 17.0 14.8 18.1 17.5 17.6 2.77° 19.3 18.2 16.1 19.3 18.6 18.8 2.89° 20.2 19.1 17.0 20.2 19.4 19.6 2.97° 20.8 19.7 17.5 20.8 20.0 20.1 3.00° 21.1 19.9 17.8 21.1 20.2 20.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 6 6-1/4 6-3/4 1.7 4.5 7.1 9.5 12.1 14.3 15.3 16.3 18.0 19.4 20.3 20.9 21.1 1.7 4.5 7.1 9.5 11.9 13.9 14.8 15.7 17.3 18.5 19.3 19.9 20.1 1.7 4.5 7.1 9.5 11.9 13.9 14.8 15.7 17.3 18.5 19.3 19.9 20.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 6 6-1/4 6-3/4 6 6-1/4 6-3/4 6 6-1/4 6-3/4 Deg/100ft 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.50 7.5° 1.50 1.50 1.83 1.50 1.50 1.50 1.15 1.15 1.15 10.0° 1.15 1.15 1.50 1.15 1.15 1.15 0.78 0.78 0.78 12.5° 0.78 0.78 1.15 0.78 0.78 0.78 0.78 0.39 0.39 15.0° 0.39 0.78 1.15 0.39 0.39 0.39 0.39 0.39 0.39 17.5° 0.00 0.39 0.78 0.00 0.00 0.00 0.00 0.00 0.00 20.0° 0.00 0.00 0.39 22.5° 0.00 25.0° 0.00 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 218
  • 223. 5” HEMIDRIL® Short Radius 7/8 3.8 Recommended Operating Limits Flow Range   150 - 250 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 946 lpm 0.52 rev/gal   0.137 rev/L 78 - 130 rpm Approx Press Drop @ 250 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 865 psi 5964 kPa 4480 lb-ft HEMIDRIL Torque @ Max Pressure 6074 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 219
  • 224. 6 1/4” 7/8 2.9 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 361 in (9.16 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     2190 lbs (993 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.1 1.1 1.1 2.0 2.3 2.4 0.78° 3.2 2.2 2.2 4.0 4.2 4.3 1.15° 5.3 4.1 3.6 5.9 6.1 6.2 1.50° 7.3 6.1 5.6 7.6 7.8 7.9 1.83° 9.2 8.0 7.5 9.3 9.5 9.5 2.12° 10.9 9.6 9.1 10.9 10.9 11.0 **2.25° 11.7 10.3 9.8 11.7 11.6 11.6 2.38° 12.4 11.1 10.6 12.4 12.2 12.3 2.60° 13.7 12.3 11.8 13.7 13.3 13.4 2.77° 14.6 13.3 12.8 14.6 14.1 14.2 2.89° 15.3 14.0 13.5 15.3 14.7 14.8 2.97° 15.8 14.5 13.9 15.8 15.1 15.2 3.00° 16.0 14.6 14.1 16.0 15.3 15.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.5 5.5 7.3 9.0 10.7 11.5 12.3 13.7 14.7 15.4 15.9 16.1 1.5 3.5 5.5 7.3 9.0 10.6 11.2 11.9 13.1 14.0 14.6 15.0 15.2 1.5 3.5 5.5 7.3 9.0 10.6 11.2 11.9 13.1 14.0 14.6 15.0 15.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.15 1.50 1.15 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 0.78 0.78 0.78 0.78 0.78 14.0° 0.39 0.78 0.78 0.39 0.39 0.78 0.39 0.39 0.39 16.0° 0.00 0.39 0.78 0.00 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.00 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 220
  • 225. 6 1/4” HEMIDRIL® 7/8 2.9 Recommended Operating Limits Flow Range   200 - 500 gpm Revs per Unit Volume (No Load) Speed (No Load) 757 - 1893 lpm 0.17 rev/gal   0.045 rev/L 34 - 85 rpm Approx Press Drop @ 500 gpm (No Load) 250 psi 1700 kpa Performance Output HEMIDRIL Max Diff Pressure* 660 psi 4551 kPa 9750 lb-ft HEMIDRIL Torque @ Max Pressure 13219 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 221
  • 226. 6 1/4” 7/8 4.8 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 28 in (0.71 m) Bit to Bend B 77 in (1.96 m) Bit to Top Sub C 334 in (8.49 m) Max OD of Motor at Upset for Stabilizer D 7.38 in (187 mm) Radius @ Adjusting Ring E 3.50 in (89 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.00 in (178 mm) Max OD of Slick Motor w/ Straight Housing 6.63 in (168 mm) Bit to Max Slick OD w/ Straight Housing 8.90 in (226 mm)     2030 lbs (921 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 Deg 0.39° 1.2 1.2 1.2 2.2 2.5 2.6 0.78° 3.4 2.4 2.4 4.3 4.6 4.7 1.15° 5.7 4.4 3.9 6.2 6.5 6.6 1.50° 7.9 6.5 6.0 8.1 8.3 8.4 1.83° 9.9 8.5 8.0 9.9 10.1 10.2 2.12° 11.7 10.3 9.7 11.7 11.6 11.7 **2.25° 12.5 11.1 10.5 12.5 12.3 12.4 2.38° 13.3 11.9 11.3 13.3 13.0 13.0 2.60° 14.6 13.2 12.7 14.6 14.1 14.2 2.77° 15.7 14.2 13.7 15.7 15.0 15.1 2.89° 16.4 15.0 14.4 16.4 15.6 15.7 2.97° 16.9 15.5 14.9 16.9 16.1 16.1 3.00° 17.1 15.6 15.1 17.1 16.2 16.3 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 7-7/8 8-1/2 8-3/4 1.5 3.7 5.8 7.7 9.6 11.5 12.3 13.2 14.6 15.7 16.5 17.0 17.2 1.5 3.7 5.8 7.7 9.6 11.2 11.9 12.6 13.8 14.8 15.5 15.9 16.1 1.5 3.7 5.8 7.7 9.6 11.2 11.9 12.6 13.8 14.8 15.5 15.9 16.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 7-7/8 8-1/2 8-3/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 6.0° 1.50 1.83 1.83 1.50 1.83 1.83 1.50 1.83 1.83 8.0° 1.50 1.83 1.83 1.50 1.50 1.50 1.15 1.50 1.50 10.0° 1.15 1.50 1.50 1.15 1.15 1.15 0.78 1.15 1.15 12.0° 0.78 1.15 1.15 0.78 0.78 0.78 0.78 0.78 0.78 14.0° 0.39 0.78 0.78 0.39 0.39 0.78 0.39 0.39 0.39 16.0° 0.00 0.39 0.78 0.00 0.39 0.39 0.00 0.00 0.00 18.0° 0.00 0.39 0.39 0.00 0.00 0.00 20.0° 0.00 0.00 22.0° 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 222
  • 227. 6 1/4” HEMIDRIL® 7/8 4.8 Recommended Operating Limits Flow Range   150 - 400 gpm Revs per Unit Volume (No Load) Speed (No Load) 568 - 1514 lpm 0.34 rev/gal   0.09 rev/L 51 - 136 rpm Approx Press Drop @ 400 gpm (No Load) 300 psi 2050 kpa Performance Output HEMIDRIL Max Diff Pressure* 1090 psi 7515 kPa HEMIDRIL Torque @ Max Pressure 8450 lb-ft 11457 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 223
  • 228. 6 7/8” 7/8 2.9 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 351 in (8.90 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2580 lbs (1170 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.1 1.1 1.1 2.0 2.1 2.6 0.78° 2.9 2.4 2.2 4.0 4.1 4.5 1.15° 5.1 4.6 3.3 5.8 5.9 6.3 1.50° 7.1 6.6 4.4 7.6 7.7 8.0 1.83° 9.0 8.5 6.2 9.3 9.3 9.7 2.12° 10.7 10.2 7.9 10.7 10.8 11.1 **2.25° 11.5 11.0 8.6 11.5 11.5 11.8 2.38° 12.3 11.7 9.4 12.3 12.1 12.4 2.60° 13.5 13.0 10.6 13.5 13.2 13.5 2.77° 14.5 14.0 11.6 14.5 14.1 14.3 2.89° 15.2 14.7 12.3 15.2 14.7 14.9 2.97° 15.7 15.2 12.8 15.7 15.2 15.3 3.00° 15.9 15.3 12.9 15.9 15.3 15.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.4 3.5 5.5 7.3 9.1 10.6 11.4 12.3 13.6 14.7 15.4 15.9 16.1 1.4 3.5 5.5 7.3 9.1 10.6 11.3 12.0 13.2 14.1 14.8 15.3 15.4 1.4 3.5 5.5 7.3 9.1 10.6 11.3 12.0 13.2 14.1 14.7 15.1 15.3 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 4.0° 1.83 1.83 1.83 1.83 1.50 1.50 1.83 1.50 1.50 6.0° 1.83 1.83 1.83 1.15 1.15 1.15 1.83 1.15 1.15 8.0° 1.50 1.50 1.83 0.78 0.78 0.78 0.78 0.78 0.78 10.0° 1.15 1.15 1.83 0.39 0.39 0.39 0.39 0.39 0.39 12.0° 0.78 1.15 1.50 0.00 0.00 0.00 0.00 0.00 0.00 14.0° 0.39 0.78 1.15 0.00 16.0° 0.39 0.39 1.15 18.0° 0.00 0.00 0.78 20.0° 0.39 22.0° 0.00 24.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 224
  • 229. 6 7/8” HEMIDRIL® 7/8 2.9 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.17 rev/gal   0.045 rev/L 51 - 102 rpm Approx Press Drop @ 600 gpm (No Load) 300 psi 2050 kpa Performance Output HEMIDRIL Max Diff Pressure* 900 psi 6205 kPa 12955 lb-ft HEMIDRIL Torque @ Max Pressure 17565 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 225
  • 230. 6 7/8” 7/8 3.0 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 255 in (6.48 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     1880 lbs (853 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.5 1.5 1.4 2.8 2.9 3.7 0.78° 4.0 3.3 2.9 5.2 5.4 6.1 1.15° 6.8 6.1 4.3 7.5 7.6 8.3 1.50° 9.4 8.8 5.8 9.7 9.8 10.4 1.83° 12.0 11.3 8.2 12.0 11.8 12.4 2.12° 14.2 13.4 10.4 14.2 13.6 14.2 **2.25° 15.2 14.4 11.3 15.2 14.4 15.0 2.38° 16.1 15.4 12.3 16.1 15.4 15.8 2.60° 17.8 17.1 13.9 17.8 17.1 17.1 2.77° 19.1 18.4 15.2 19.1 18.4 18.1 2.89° 20.0 19.3 16.1 20.0 19.3 18.9 2.97° 20.6 19.9 16.7 20.6 19.9 19.3 3.00° 20.9 20.1 16.9 20.9 20.1 19.5 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.7 4.3 6.7 9.1 11.4 13.8 14.9 16.0 17.8 19.2 20.2 20.9 21.1 1.7 4.3 6.7 9.0 11.2 13.2 14.0 15.0 16.8 18.2 19.2 19.9 20.1 1.7 4.3 6.7 9.0 11.2 13.1 14.0 14.9 16.3 17.4 18.2 18.7 18.9 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 3.0° 1.83 1.83 1.83 1.83 1.50 1.83 1.83 1.15 1.15 6.0° 1.50 1.83 1.83 1.50 1.15 1.15 0.78 0.78 0.78 9.0° 1.15 1.50 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.0° 0.78 1.15 1.83 0.00 0.39 0.39 0.00 0.00 0.00 15.0° 0.78 0.78 1.50 0.00 18.0° 0.39 0.39 1.15 21.0° 0.00 0.00 0.78 24.0° 0.39 27.0° 0.00 30.0° 0.00 33.0° 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 226
  • 231. 6 7/8” HEMIDRIL® 7/8 3.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.3 rev/gal   0.079 rev/L 90 - 180 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 685 psi 4723 kPa 6510 lb-ft HEMIDRIL Torque @ Max Pressure 8826 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 227
  • 232. 6 7/8” 7/8 3.0 Stage HEMIDRIL SR3 Specifications on this page are for an SR3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 25 in (0.63 m) Bit to Bend B 55 in (1.40 m) Bit to Top Sub C 234 in (5.96 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.63 in (194 mm) Max OD of Slick Motor w/ Straight Housing 7.63 in (194 mm) Bit to Max Slick OD w/ Straight Housing 0.00 in (0 mm)     1720 lbs (780 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.6 1.6 1.5 3.3 3.5 4.4 0.78° 3.3 3.2 3.1 6.1 6.3 7.1 1.15° 6.4 5.4 4.6 8.8 9.0 9.7 1.50° 9.2 8.3 5.9 11.3 11.5 12.2 1.83° 11.9 10.9 7.2 13.7 13.9 14.5 2.12° 14.3 13.3 9.1 15.8 15.9 16.5 **2.25° 15.3 14.3 10.1 16.7 16.9 17.4 2.38° 16.4 15.4 11.1 17.7 17.8 18.3 2.60° 18.2 17.2 12.9 19.3 19.4 19.9 2.77° 19.6 18.5 14.2 20.5 20.6 21.1 2.89° 20.5 19.5 15.2 21.4 21.5 21.9 2.97° 21.2 20.2 15.8 21.9 22.0 22.5 3.00° 21.4 20.4 16.0 22.1 22.2 22.7 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 2.1 5.2 8.1 10.8 13.4 15.7 16.7 17.7 19.4 20.7 21.7 22.3 22.5 2.1 5.2 8.1 10.8 13.4 15.6 16.7 17.7 19.4 20.7 21.7 22.3 22.5 2.1 5.2 8.1 10.8 13.4 15.6 16.6 17.6 19.3 20.7 21.6 22.2 22.5 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 1.50 3.0° 1.83 1.83 1.83 1.50 1.50 1.50 1.15 1.15 1.15 6.0° 1.50 1.83 1.83 1.15 1.15 1.15 0.78 0.78 0.78 9.0° 1.50 1.50 1.83 0.78 0.78 0.78 0.39 0.39 0.39 12.0° 1.15 1.15 1.83 0.39 0.39 0.39 0.00 0.00 0.00 15.0° 0.78 0.78 1.83 0.00 0.00 0.00 18.0° 0.39 0.78 1.50 21.0° 0.00 0.39 1.15 24.0° 0.00 0.78 27.0° 0.39 30.0° 0.39 33.0° 0.00 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 228
  • 233. 6 7/8” HEMIDRIL® Short Radius 7/8 3.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.3 rev/gal   0.079 rev/L 90 - 180 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 685 psi 4723 kPa 6510 lb-ft HEMIDRIL Torque @ Max Pressure 8826 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 229
  • 234. 6 7/8” 7/8 5.0 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 24 in (0.61 m) Bit to Bend B 76 in (1.93 m) Bit to Top Sub C 325 in (8.25 m) Max OD of Motor at Upset for Stabilizer D 7.63 in (194 mm) Radius @ Adjusting Ring E 3.75 in (95 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 7.50 in (191 mm) Max OD of Slick Motor w/ Straight Housing 7.13 in (181 mm) Bit to Max Slick OD w/ Straight Housing 51.36 in (1305 mm)     2390 lbs (1084 kg) Estimated Total Weight: Common Top Connection: 4 1/2 REG, 4 1/2 IF, 4 1/2 H-90, 4 1/2 XH, 5 H-90 Common Btm Connection: 4 1/2 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 Deg 0.39° 1.2 1.2 1.2 2.2 2.3 2.8 0.78° 3.1 2.6 2.4 4.2 4.3 4.8 1.15° 5.4 4.9 3.5 6.2 6.3 6.8 1.50° 7.6 7.1 4.7 8.1 8.2 8.6 1.83° 9.7 9.1 6.7 9.8 9.9 10.3 2.12° 11.5 10.9 8.4 11.5 11.4 11.8 **2.25° 12.3 11.7 9.2 12.3 12.1 12.5 2.38° 13.1 12.5 10.0 13.1 12.8 13.2 2.60° 14.5 13.9 11.4 14.5 14.0 14.3 2.77° 15.5 14.9 12.4 15.5 14.9 15.2 2.89° 16.3 15.7 13.1 16.3 15.7 15.8 2.97° 16.8 16.2 13.6 16.8 16.2 16.2 3.00° 17.0 16.4 13.8 17.0 16.4 16.4 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 8-1/2 8-3/4 9-7/8 1.5 3.7 5.8 7.7 9.6 11.3 12.2 13.1 14.6 15.7 16.5 17.0 17.2 1.5 3.7 5.8 7.7 9.6 11.2 12.0 12.7 13.9 14.9 15.8 16.3 16.5 1.5 3.7 5.8 7.7 9.6 11.2 11.9 12.7 13.9 14.9 15.5 16.0 16.1 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 8-1/2 8-3/4 9-7/8 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 5.0° 1.83 1.83 1.83 1.15 1.15 1.50 1.83 1.15 1.15 7.5° 1.50 1.50 1.83 0.78 0.78 1.15 0.78 0.78 0.78 10.0° 1.15 1.15 1.83 0.39 0.39 0.39 0.39 0.39 0.39 12.5° 0.78 0.78 1.50 0.00 0.00 0.00 0.00 0.00 15.0° 0.39 0.39 1.15 17.5° 0.00 0.39 0.78 20.0° 0.00 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 230
  • 235. 6 7/8” HEMIDRIL® 7/8 5.0 Recommended Operating Limits Flow Range   300 - 600 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 2271 lpm 0.3 rev/gal   0.079 rev/L 90 - 180 rpm Approx Press Drop @ 600 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 1140 psi 7860 kPa 10830 lb-ft HEMIDRIL Torque @ Max Pressure 14684 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 231
  • 236. 8” 7/8 4.0 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 36 in 0.92 m) Bit to Bend B 87 in 2.20 m) Bit to Top Sub C 351 in (8.93 m) Max OD of Motor at Upset for Stabilizer D 8.88 in (226 mm) Radius @ Adjusting Ring E 4.19 in (106 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 8.38 in (213 mm) Max OD of Slick Motor w/ Straight Housing 8.13 in (207 mm) Bit to Max Slick OD w/ Straight Housing 61.87 in (1571 mm)     3500 lbs (1588 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 Deg 0.39° 1.1 1.1 1.1 2.3 2.5 3.1 0.78° 2.2 2.2 2.1 4.2 4.5 5.0 1.15° 4.2 3.2 3.2 6.0 6.3 6.8 1.50° 6.2 4.9 4.1 7.7 8.0 8.4 1.83° 8.1 6.8 5.0 9.4 9.6 10.0 2.12° 9.8 8.4 5.8 10.8 11.0 11.4 **2.25° 10.5 9.1 6.4 11.4 11.6 12.0 2.38° 11.2 9.9 7.1 12.1 12.3 12.6 2.60° 12.5 11.1 8.3 13.2 13.3 13.7 2.77° 13.5 12.1 9.2 14.0 14.2 14.5 2.89° 14.1 12.7 9.9 14.6 14.7 15.1 2.97° 14.6 13.2 10.3 15.0 15.1 15.4 3.00° 14.8 13.4 10.5 15.1 15.3 15.6 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 9-7/8 10-5/8 12-1/4 1.6 3.6 5.5 7.3 9.0 10.5 11.2 11.9 13.0 13.9 14.5 14.9 15.1 1.6 3.6 5.5 7.3 9.0 10.5 11.2 11.9 13.0 13.9 14.5 14.9 15.1 1.6 3.6 5.5 7.3 9.0 10.5 11.2 11.8 13.0 13.8 14.5 14.9 15.0 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 9-7/8 10-5/8 12-1/4 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.50 1.83 1.83 1.83 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.50 1.83 1.15 1.50 1.50 1.15 1.15 1.15 10.0° 0.78 1.15 1.83 0.78 0.78 1.15 0.78 0.78 0.78 12.5° 0.39 0.78 1.83 0.39 0.39 0.78 0.00 0.00 0.00 15.0° 0.00 0.39 1.15 0.00 0.00 0.00 17.5° 0.00 0.78 20.0° 0.39 22.5° 0.00 25.0° 27.5° 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 232
  • 237. 8” HEMIDRIL® 7/8 4.0 Recommended Operating Limits Flow Range   300 - 900 gpm Revs per Unit Volume (No Load) Speed (No Load) 1136 - 3407 lpm 0.17 rev/gal   0.045 rev/L 51 - 153 rpm Approx Press Drop @ 900 gpm (No Load) 400 psi 2750 kpa Performance Output HEMIDRIL Max Diff Pressure* 910 psi 6274 kPa 15155 lb-ft HEMIDRIL Torque @ Max Pressure 20547 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 233
  • 238. 9 5/8” 7/8 4.8 Stage HEMIDRIL Specifications on this page are for an ST3 motor* B A C ® D E Bit to Center of Stabilizer Blade A 43 in (1.09 m) Bit to Bend B 98 in (2.49 m) Bit to Top Sub C 408 in (10.36 m) Max OD of Motor at Upset for Stabilizer D 10.75 in (273 mm) Radius @ Adjusting Ring E 5.00 in (127 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 10.00 in (254 mm) Max OD of Slick Motor w/ Straight Housing 9.75 in (248 mm) Bit to Max Slick OD w/ Straight Housing 13.69 in (348 mm)     5880 lbs (2667 kg) Estimated Total Weight: Common Top Connection: 6 5/8 REG, 7 5/8 REG, 7 H-90 Common Btm Connection: 6 5/8 REG, 7 5/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 Deg 0.39° 1.0 0.9 0.9 2.1 2.8 3.4 0.78° 1.9 1.8 1.8 3.8 4.4 5.0 1.15° 2.9 2.7 2.6 5.4 5.9 6.5 1.50° 4.6 3.5 3.4 6.9 7.4 7.9 1.83° 6.2 4.3 4.1 8.3 8.7 9.2 2.12° 7.6 5.0 4.8 9.5 9.9 10.3 **2.25° 8.2 5.3 5.1 10.0 10.5 10.9 2.38° 8.9 5.6 5.4 10.6 11.0 11.4 2.60° 9.9 6.7 5.9 11.5 11.9 12.2 2.77° 10.7 7.5 6.3 12.3 12.6 12.9 2.89° 11.3 8.0 6.5 12.8 13.1 13.4 2.97° 11.7 8.4 6.7 13.1 13.4 13.7 3.00° 11.9 8.5 6.8 13.2 13.6 13.8 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 12-1/4 14-3/4 17-1/2 1.4 3.2 4.9 6.5 8.0 9.3 9.9 10.5 11.5 12.3 12.8 13.2 13.3 1.4 3.2 4.9 6.5 8.0 9.3 9.9 10.5 11.5 12.2 12.8 13.1 13.3 1.5 3.2 4.9 6.4 7.9 9.2 9.8 10.4 11.4 12.2 12.7 13.1 13.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size Deg/100ft 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 12-1/4 14-3/4 17-1/2 0.0° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 2.5° 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 1.83 5.0° 1.83 1.83 1.83 1.50 1.83 1.83 1.50 1.50 1.50 7.5° 1.15 1.83 1.83 1.15 1.15 1.50 0.78 0.78 0.78 10.0° 0.78 1.83 1.83 0.39 0.78 1.15 0.39 0.39 0.39 12.5° 0.39 1.50 1.83 0.00 0.39 0.39 15.0° 0.00 1.15 1.83 0.00 17.5° 0.78 1.83 20.0° 0.00 1.50 22.5° 0.78 25.0° 0.39 27.5° 0.00 30.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 234
  • 239. 9 5/8” HEMIDRIL® 7/8 4.8 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.11 rev/gal   0.029 rev/L 66 - 132 rpm Approx Press Drop @ 1200 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 1090 psi 7515 kPa 26160 lb-ft HEMIDRIL Torque @ Max Pressure 35468 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 235
  • 240. 11 1/4” 7/8 4.8 Stage HEMIDRIL Specifications on this page are for an ST2H motor* B A C ® D E Bit to Center of Stabilizer Blade A 49 in (1.24 m) Bit to Bend B 110 in (2.79 m) Bit to Top Sub C 432 in (10.98 m) Max OD of Motor at Upset for Stabilizer D 12.25 in (311 mm) Radius @ Adjusting Ring E 5.75 in (146 mm) Max Effective OD of Slick Motor @ Adjusting Ring @ 0° 11.50 in (292 mm) Max OD of Slick Motor w/ Straight Housing 11.50 in (292 mm) Bit to Max Slick OD w/ Straight Housing 105.57 in (2681 mm)     8510 lbs (3860 kg) Estimated Total Weight: Common Top Connection: 7 5/8 REG, 8 5/8 REG Common Btm Connection: 7 5/8 REG, 8 5/8 REG * For additional specs, including older designs, refer to Summary Tables on page 57 at the beginning of this section. Predicted Build Rates – Degrees/100ft (30m) Bend Setting Slick Hole Size Single Stabilizer Hole Size 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg 0.39° 0.9 0.8 0.8 2.2 2.8 4.2 0.78° 1.8 1.7 1.5 3.7 4.3 5.6 1.15° 2.6 2.5 2.3 5.2 5.7 6.8 1.50° 3.5 3.3 2.9 6.5 7.0 8.0 1.83° 4.9 4.0 3.6 7.8 8.3 9.2 2.12° 6.2 4.6 4.1 8.9 9.3 10.2 **2.25° 6.8 4.9 4.4 9.4 9.8 10.6 2.38° 7.4 5.2 4.7 10.0 10.3 11.1 2.60° 8.4 5.6 5.1 10.8 11.2 11.8 2.77° 9.1 6.2 5.4 11.5 11.8 12.4 2.89° 9.7 6.7 5.7 11.9 12.3 12.9 2.97° 10.0 7.1 5.8 12.3 12.6 13.1 3.00° 10.2 7.2 5.9 12.4 12.7 13.2 ** 2.25° only available with a 2.38° Adjustable Assembly Two Stabilizers Hole Size 14-3/4 17-1/2 26 1.4 3.0 4.6 6.1 7.5 8.8 9.3 9.9 10.8 11.5 12.0 12.4 12.5 1.4 3.0 4.6 6.1 7.5 8.7 9.3 9.8 10.7 11.5 12.0 12.3 12.4 1.4 3.0 4.6 6.0 7.4 8.6 9.1 9.7 10.6 11.3 11.8 12.1 12.2 Maximum Adjustable Bend Setting For Rotary Drilling - Degrees Hole Curvature Slick Hole Size Single Stabilizer Hole Size Two Stabilizers Hole Size 26 14-3/4 17-1/2 26 14-3/4 17-1/2 26 Deg/100ft 14-3/4 17-1/2 1.83 1.83 1.83 1.83 1.83 1.83 1.50 1.50 1.50 0.0° 3.0° 1.83 1.83 1.83 1.15 1.50 1.83 0.78 0.78 0.78 6.0° 1.15 1.83 1.83 0.39 0.78 1.50 0.00 0.00 0.00 9.0° 0.78 1.83 1.83 0.00 0.78 12.0° 0.00 1.15 1.83 0.00 15.0° 0.39 1.83 18.0° 0.00 1.83 21.0° 1.83 24.0° 1.83 27.0° 1.50 30.0° 0.78 33.0° 0.39 36.0° A dash, ‘-’, indicates that no rotation is recommended in that hole curvature. Stabilizers are considered to be 1/8” undergauge. 236
  • 241. 11 1/4” HEMIDRIL® 7/8 4.8 Recommended Operating Limits Flow Range   600 - 1200 gpm Revs per Unit Volume (No Load) Speed (No Load) 2271 - 4542 lpm 0.11 rev/gal   0.029 rev/L 66 - 132 rpm Approx Press Drop @ 1200 gpm (No Load) 350 psi 2400 kpa Performance Output HEMIDRIL Max Diff Pressure* 1090 psi 7515 kPa 26160 lb-ft HEMIDRIL Torque @ Max Pressure 35468 N-m Fit Availability for All Elastomers   US Availability STD OS 2xOS      Because of the evenwall elastomer in HEMIDRIL power sections, fits other than standard are not necessary. Theoretical Performance Curve [water @ 70°F (21°C)]** **For temperatures exceeding 140°F (60°C), decrease the rated Max Differential Pressure limit as per the guide on page 39. Performance curves are for reference only. Performance data and dimensions subject to change without notice. Performance curves based upon Dyno testing at 70°F (21°C). Actual field performance may vary with field operating conditions.Operating a power section near or above maximum differential pressure will reduce life. 237
  • 242. APPENDIX: REFERENCE INFORMATION
  • 243. Engineering Reference Data 11. Engineering Data Formulas Hydraulic Power Power (HP) = Pb x Q 1714 Power (kW) = Pb x Q 60000 Pb = Bit pressure drop (psi) Pb = Bit pressure drop (kPa) Q = Flow rate (US gpm) Q = Flow rate (lpm) Mechanical Power Power (HP) = TxN 5250 Power (HP) = TxN 9548.8 T = Torque (lb-ft) T = Torque (N-m) N = Rotational Speed (RPM) N = Rotational Speed (RPM) Pressure Drop Across the Bit Jet Nozzle (Pb) Pb (psi) = Q2 x W 10858 x A2 Q2 x W Pb (kPa) = 6.4964 x A2 Q = Flow rate (US gpm) Q = Flow rate (lpm) W = Mud weight (lb/gal) W = Mud weight (kg/m3) A = Flow Area (in2) A = Flow Area (in2) Total Flow Area (TFA) for a Specific Bit Pressure Drop TFA (in2) = Q2 x W 10858 x Pb TFA (mm2) = Q2 x W 6.4964 x Pb Q = Flow rate (US gpm) Q = Flow rate (lpm) W = Mud weight (lb/gal) W = Mud weight (kg/m3) Pb = Bit pressure drop (psi) Pb = Bit pressure drop (kPa) 241
  • 244. Motor Handbook, 7th Edition Imperial Conversions Convert From To Multiply by inch (in) inch (in) feet (ft) mile (mi) millimeter (mm) centimeter (cm) meter (m) kilometer (km) 25.4 2.54 0.3048 1.609 kilogram (kg) 0.4536 kilopascal (kPa) megapascal (MPa) atmosphere (atm) bar (bar) kilogram force/sq. centimeter (kgf/cm²) 6.8948 0.006895 0.0680462 0.06895 0.006895 pounds/sq. inch (psi) pounds/sq. inch (psi) megapascal (MPa) kilogram force/sq. centimeter (kgf/cm²) bar (bar) newtons/sq. millimeter (N/mm²) sq. inch (in²) sq. inch (in²) sq. feet (ft²) sq. centimeter (cm²) sq. millimeter (mm²) sq. meter (m²) 6.4516 645.16 0.0929 pound (lbf) pound (lbf) pound (lbf) pound (lbf) kilogram force (kgf) newton (N) decanewton (daN) kilonewton (kN) 0.4536 4.4482 0.4448 0.004448 liters/minute (lpm) cubic meters/minute (m³/min) 3.785 0.003785 cubic meters/minute (m³/min) 0.1589 newton meter (N-m) [Joules, J] kilonewton meter (kN-m) kilogram meter (kgf m) 1.35582 0.0013558 0.1382 liter (l) cubic meter (m³) cubic meter (m³) cubic meter (m³) 3.785 0.003785 0.02831 0.1589 kilowatt (kW) 0.7457 millimeter (mm) 0.793 °Celsius (°C) (°F-32)/1.8 kilograms/cubic meter (kg/m³) grams/cubic centimeter (g/cm³) 119.82 0.11982 kilograms/cubic meter (kg/m³) 27679.7 grams/cubic centimeter (g/cm³) 27.6797 joules (J) 1.35582 Length Mass pound (lb) Pressure pounds/sq. inch (psi) pounds/sq. inch (psi) pounds/sq. inch (psi) pounds/sq. inch (psi) pounds/sq. inch (psi) Stress pounds/sq. inch (psi) pounds/sq. inch (psi) 0.0703067 0.0703067 0.06895 0.006895 Area Force Flow gallons (US)/min (gpm US)) gallons (US)/min (gpm US)) barrels (US)/minute (bbl/min (US)) Torque pound foot (lb-ft) pound foot (lb-ft) pound foot (lb-ft) Volume gallon (US) (gal (US)) gallon (US) (gal (US)) cubic feet (ft³) barrel (US) (bbl (US)) Power horsepower (HP) Nozzles 32nds inch (32nds inch) Temperature °Fahrenheit (°F) Density pounds/gallon (US) (lbs/gal) pounds/gallon (US) (lbs/gal) pounds/cubic inch (lbs/in³) pounds/cubic inch (lbs/in³) Energy pound foot (lb-ft) 242
  • 245. Engineering Reference Data Metric Conversions Convert From To millimeter (mm) centimeter (cm) meter (m) kilometer (km) inch (in) inch (in) feet (ft) mile (mi) Length pounds/sq. inch (psi) pounds/sq. inch (psi) pounds/sq. inch (psi) pounds/sq. inch (psi)   0.03937 0.39370 3.28084 0.62150   2.20462   0.14504 145.0326 14.22340 14.69590 pounds/sq. inch (psi) 14.50326 pounds/sq. inch (psi)   145.0326 pounds/sq. inch (psi) 14.22340 pounds/sq. inch (psi) pounds/sq. inch (psi) 14.50326 145.0326   0.15500 0.00155 10.76426   2.20459 0.22481 2.24820 224.8201   0.26420 264.2008 Mass kilogram (kg) Pressure kilopascal (kPa) megapascal (MPa) atmosphere (atm) bar (bar) kilogram force/sq. centimeter (kgf/cm²) pound (lb) Stress megapascal (MPa) kilogram force/sq. centimeter (kgf/cm²) bar (bar) newtons/sq. millimeter (N/mm²) Area sq. centimeter (cm²) sq. millimeter (mm²) sq. meter (m²) Force kilogram force (kgf) newton (N) decanewton (daN) kilonewton (kN) Flow liters/minute (lpm) cubic meters/minute (m³/min) cubic meters/minute (m³/min) Torque newton meter (N-m) kilonewton meter (kN-m) kilogram meter (kgf m) Volume liter (l) cubic meter (m³) cubic meter (m³) cubic meter (m³) Power kilowatt (kW) Nozzles millimeter (mm) Temperature °Celsius (°C) Density kilograms/cubic meter (kg/m³) grams/cubic centimeter (g/cm³) kilograms/cubic meter (kg/m³) grams/cubic centimeter (g/cm³) Energy joules (J) Multiply by sq. inch (in²) sq. inch (in²) sq. feet (ft²) pound (lbf) pound (lbf) pound (lbf) pound (lbf) gallons (US)/min (gpm US)) gallons (US)/min (gpm US)) barrels (US)/minute (bbl/ min (US)) pound foot (lb-ft) pound foot (lb-ft) pound foot (lb-ft) gallon (US) (gal (US)) gallon (US) (gal (US)) cubic feet (ft³) barrel (US) (bbl (US)) horsepower (HP) 32nds inch (32nds inch) °Fahrenheit (°F) pounds/gallon (US) (lbs/gal) pounds/gallon (US) (lbs/gal) pounds/cubic inch (lbs/in³) pounds/cubic inch (lbs/in³) pound foot (lb-ft) 6.29327   0.73756 737.561 7.23589   0.26420 264.2008 35.32321 6.29327   1.34102   1.26103   (°Cx1.8)+32   0.00835 8.34585 0.0000361 0.03613 0.737557 243
  • 246. Motor Handbook, 7th Edition Millimeter Equivalents Use tables to find millimeter equivalents of common inch measurements in 0 0.0 25.4 50.8 76.2 101.6 127.0 152.4 177.8 203.2 228.6 254.0 279.4 304.8 330.2 355.6 381.0 406.4 431.8 457.2 482.6 508.0 533.4 558.8 584.2 609.6 1/16 1.6 27.0 52.4 77.8 103.2 128.6 154.0 179.4 204.8 230.2 255.6 281.0 306.4 331.8 357.2 382.6 408.0 433.4 458.8 484.2 509.6 535.0 560.4 585.8 611.2 1/8 3.2 28.6 54.0 79.4 104.8 130.2 155.6 181.0 206.4 231.8 257.2 282.6 308.0 333.4 358.8 384.2 409.6 435.0 460.4 485.8 511.2 536.6 562.0 587.4 612.8 3/16 4.8 30.2 55.6 81.0 106.4 131.8 157.2 182.6 208.0 233.4 258.8 284.2 309.6 335.0 360.4 385.8 411.2 436.6 462.0 487.4 512.8 538.2 563.6 589.0 614.4 1/4 6.4 31.8 57.2 82.6 108.0 133.4 158.8 184.2 209.6 235.0 260.4 285.8 311.2 336.6 362.0 387.4 412.8 438.2 463.6 489.0 514.4 539.8 565.2 590.6 616.0 5/16 7.9 33.3 58.7 84.1 109.5 134.9 160.3 185.7 211.1 236.5 261.9 287.3 312.7 338.1 363.5 388.9 414.3 439.7 465.1 490.5 515.9 541.3 566.7 592.1 617.5 3/8 9.5 34.9 60.3 85.7 111.1 136.5 161.9 187.3 212.7 238.1 263.5 288.9 314.3 339.7 365.1 390.5 415.9 441.3 466.7 492.1 517.5 542.9 568.3 593.7 619.1 7/16 11.1 36.5 61.9 87.3 112.7 138.1 163.5 188.9 214.3 239.7 265.1 290.5 315.9 341.3 366.7 392.1 417.5 442.9 468.3 493.7 519.1 544.5 569.9 595.3 620.7 in 1/2 12.7 38.1 63.5 88.9 114.3 139.7 165.1 190.5 215.9 241.3 266.7 292.1 317.5 342.9 368.3 393.7 419.1 444.5 469.9 495.3 520.7 546.1 571.5 596.9 622.3 9/16 14.3 39.7 65.1 90.5 115.9 141.3 166.7 192.1 217.5 242.9 268.3 293.7 319.1 344.5 369.9 395.3 420.7 446.1 471.5 496.9 522.3 547.7 573.1 598.5 623.9 5/8 15.9 41.3 66.7 92.1 117.5 142.9 168.3 193.7 219.1 244.5 269.9 295.3 320.7 346.1 371.5 396.9 422.3 447.7 473.1 498.5 523.9 549.3 574.7 600.1 625.5 11/16 17.5 42.9 68.3 93.7 119.1 144.5 169.9 195.3 220.7 246.1 271.5 296.9 322.3 347.7 373.1 398.5 423.9 449.3 474.7 500.1 525.5 550.9 576.3 601.7 627.1 3/4 19.1 44.5 69.9 95.3 120.7 146.1 171.5 196.9 222.3 247.7 273.1 298.5 323.9 349.3 374.7 400.1 425.5 450.9 476.3 501.7 527.1 552.5 577.9 603.3 628.7 13/16 20.6 46.0 71.4 96.8 122.2 147.6 173.0 198.4 223.8 249.2 274.6 300.0 325.4 350.8 376.2 401.6 427.0 452.4 477.8 503.2 528.6 554.0 579.4 604.8 630.2 7/8 22.2 47.6 73.0 98.4 123.8 149.2 174.6 200.0 225.4 250.8 276.2 301.6 327.0 352.4 377.8 403.2 428.6 454.0 479.4 504.8 530.2 555.6 581.0 606.4 631.8 15/16 23.8 49.2 74.6 100.0 125.4 150.8 176.2 201.6 227.0 252.4 277.8 303.2 328.6 354.0 379.4 404.8 430.2 455.6 481.0 506.4 531.8 557.2 582.6 608.0 633.4 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 244
  • 247. Engineering Reference Data Millimeter and Decimal Equivalents Use table to find common equivalent fractional inch, millimeter, and decimal inch measurements Fraction mm Decimal Fraction mm Decimal 1/64 0.4 0.0156 33/64 13.1 0.5156 1/32 0.8 0.0313 17/32 13.5 0.5313 3/64 1.2 0.0469 35/64 13.9 0.5469 1/16 1.6 0.0625 9/16 14.3 0.5625 5/64 2.0 0.0781 37/64 14.7 0.5781 3/32 2.4 0.0938 19/32 15.1 0.5938 7/64 2.8 0.1094 39/64 15.5 0.6094 1/8 3.2 0.1250 5/8 15.9 0.6250 9/64 3.6 0.1406 41/64 16.3 0.6406 5/32 4.0 0.1563 21/32 16.7 0.6563 11/64 4.4 0.1719 43/64 17.1 0.6719 3/16 4.8 0.1875 11/16 17.5 0.6875 13/64 5.2 0.2031 45/64 17.9 0.7031 7/32 5.6 0.2188 23/32 18.3 0.7188 15/64 6.0 0.2344 47/64 18.7 0.7344 1/4 6.4 0.2500 3/4 19.1 0.7500 17/64 6.7 0.2656 49/64 19.4 0.7656 9/32 7.1 0.2813 25/32 19.8 0.7813 19/64 7.5 0.2969 51/64 20.2 0.7969 5/16 7.9 0.3125 13/16 20.6 0.8125 21/64 8.3 0.3281 53/64 21.0 0.8281 11/32 8.7 0.3438 27/32 21.4 0.8438 23/64 9.1 0.3594 55/64 21.8 0.8594 3/8 9.5 0.3750 7/8 22.2 0.8750 25/64 9.9 0.3906 57/64 22.6 0.8906 13/32 10.3 0.4063 29/32 23.0 0.9063 27/64 10.7 0.4219 59/64 23.4 0.9219 7/16 11.1 0.4375 15/16 23.8 0.9375 29/64 11.5 0.4531 61/64 24.2 0.9531 15/32 11.9 0.4688 31/32 24.6 0.9688 31/64 12.3 0.4844 63/64 25.0 0.9844 1/2 12.7 0.5000 1 25.4 1.0000 245
  • 248. Motor Handbook, 7th Edition 12. Drill Bit Sizes Rotary Pin Connection 2 3/8 REG  2 7/8 REG  Size of Bit (in) 3 3/4 4 1/8 4 3/8 3 7/8 4 1/4 4 1/2 4 5/8 4 7/8 4 3/4 5 5 1/8 6 3/4 5 5/8 6 1/4 7 6 3/8 7 3/8 5 7/8 6 1/2 7 1/2 4 1/2 REG 6 5/8 6 1/8 5 3/4 3 1/2 REG  6 5 3/8 8 1/8 7 5/8 8 3/8 9 7 3/4 8 1/2 9 3/8 8 3/4 7 7/8 8 5/8   9 1/2 11 5/8 15 9 5/8 11 3/4 16 9 3/4 12 17 9 7/8 12 1/4 17 1/2 10 5/8 13 1/2 18 1/2 11 13 3/4 11 1/2  6 5/8 REG 14 3/4 14 1/2 7 5/8 REG 17 14 3/4 17 1/2 22 23 15 18 1/2 24 26 16 246 23 27 20 24 and larger 22 8 5/8 REG 20 18 5/8 26  
  • 249. Engineering Reference Data 13. Heavy Walled Drillpipe Tube Nominal Size (in) ID (in) Wall Thickness (in) 3 1/2 2 1/16 0.719 3 1/2 2 1/4 0.625 4 2 9/16 0.719 4 1/2 2 3/4 0.875 5 3 1.000 5 1/2 3 3/8 1.063 6 5/8 4 1/2 1.063 Tool Joint Nominal Size (in) Connection Size OD (in) ID (in) 3 1/2 NC38 (3 1/2 IF) 4 3/4 2 3/16 3 1/2 NC38 (3 1/2 IF) 4 3/4 2 3/8 4 NC40 (4 FH) 5 1/4 2 11/16 4 1/2 NC46 (4 IF) 6 1/4 2 7/8 5 NC50 (4 1/2 IF) 6 5/8 3 1/16 5 1/2 5 1/2 FH 7 3 1/2 6 5/8 6 5/8 FH 8 4 1/2 Nominal Size (in) Approximate Weight (including tube & joints) Wt/ft (lb) Wt/Jt 30 ft (lb) 3 1/2 25.3 760 3 1/2 23.2 695 4 27.2 815 4 1/2 41.0 1,230 5 49.3 1,480 5 1/2 57.0 1,880 6 5/8 70.8 2,290 247
  • 250. Motor Handbook, 7th Edition 14. Buoyancy Factor for Drill Collars Mud Weight (lbs/gal) (kgf/l) Buoyancy Factor 8.5 1.02 0.870 9.0 1.08 0.862 9.5 1.14 0.855 10.0 1.20 0.847 10.5 1.26 0.839 11.0 1.32 0.832 11.5 1.38 0.824 12.0 1.44 0.816 12.5 1.50 0.809 13.0 1.56 0.801 13.5 1.62 0.793 14.0 1.68 0.786 14.5 1.74 0.778 15.0 1.80 0.771 15.5 1.86 0.763 16.0 1.92 0.755 16.5 1.98 0.748 17.0 2.04 0.740 17.5 2.10 0.732 18.0 2.16 0.725 Calculation: BF = 1 - BF = Buoyancy Factor MW = Mud Weight (lbs/gal) BF = 1 - BF = Buoyancy Factor MW (lbs/gal) 65.37 MW (kgf/l) 7.83 MW = Mud Weight (kgf/l) Note: 248 MW (lb / gal) x .11983 = MW (kgf /l)
  • 251. Engineering Reference Data 15. Drill Collar Weight Drill Collar ID Drill Collar OD 4 3 3/4 3 1/2 3 1/4 3 2 13/16 2 1/2 2 1/4 2 1 3/4 1 1/2 1 1/4 1 (inches) (inches) 2 7/8 19 18 16                     3 21 20 18                     3 1/8 22 22 20                     3 1/4 26 24 22                     3 1/2 30 29 27                     3 3/4 35 33 32                     4 40 39 37 35 32 29               4 1/8 43 41 39 37 35 32               4 1/4 46 44 42 40 38 35               4 1/2 51 50 48 46 43 41               4 3/4     54 52 50 47 44             5     61 59 56 53 50             5 1/4     68 65 63 60 57             5 1/2     75 73 70 67 64 60           5 3/4     82 80 78 75 72 67 64 60       6     90 88 85 83 79 75 72 68       96 94 6 1/4     98 91 88 83 80 76 72     6 1/2     107 105 102 99 96 91 89 85 80     93 89 6 3/4     116 114 111 108 105 100 98 7     125 123 120 117 114 110 107 103 98     93 84 7 1/4     134 132 130 127 124 119 116 112 108 103 93 7 1/2     144 142 139 137 133 129 126 122 117 113 102 7 3/4     154 152 150 147 144 139 136 132 128 123 112 8     165 163 160 157 154 150 147 143 138 133 122 8 1/4     176 174 171 168 165 160 158 154 149 144 133 8 1/2     187 185 182 179 176 172 169 165 160 155 150 9     210 208 206 203 200 195 192 188 184 179 174 9 1/2     234 232 230 227 224 220 216 212 209 206 198 9 3/4     248 245 243 240 237 232 229 225 221 216 211 10     261 259 257 254 251 246 243 239 235 230 225 11     317 315 313 310 307 302 299 295 291 286 281 12     379 377 374 371 368 364 361 357 352 347 342 249
  • 252. Motor Handbook, 7th Edition 16. Drill Collar Make-up Torque Recommended Make-Up Torque1 for Rotary Shouldered Drill Collar Connections Connection Size Type API NC 23     OD 1 1 1/4 1 1/2 3 *2,508 *2,508 *2,508 3 1/8 *3,330 *3,330 2,647 3 1/4 4,000 3,387 2,647 *2,241 (in) 2 3/8 Regular   3 *2,241 3 1/8 *3,028 2,574 3 1/4 3,285 2,574 *3,797 *3,797 *4,966 4,151 3 1/4 PAC3 3 3 1/8 2 7/8 5,206 4,151 2 3/8 API IF 3 1/2 *4,606 *4,606 API NC 26 3 3/4 5,501 4,668 2 7/8 Slim Hole 2 7/8 Regular *3,838 3 1/2 *3,838 3 3/4 5,766 4,951 3 7/8 5,766 4,951 2 7/8 Extra Hole 3 3/4 *4,089 *4,089 3 1/2 Dbl. Streamline 3 7/8 *5,352 *5,352 2 7/8 Mod. Open 4 1/8 *8,059 *8,059 2 7/8 API IF 3 7/8 *4,640 *4,640 API NC 31 4 1/8 *7,390 *7,390 3 1/2 Regular 4 1/8 *6,466 *6,466 4 1/4 *7,886 *7,886 4 1/2 10,471 9,514 3 1/2 Slim Hole 4 1/4 *8,858 *8,858 4 1/2 10,286 9,307 API NC 35 4 1/2 4 3/4 5 3 1/2 Extra Hole 4 1/4 4 Slim Hole 4 1/2 3 1/2 Mod. Open 4 3/4 5 5 1/4 3 1/2 API IF API NC 38 4 3/4 5 4 1/2 Slim Hole 5 1/4 3 1/2 H-904 5 1/2 4 3/4 5 5 1/4 5 1/2 250
  • 253. Engineering Reference Data Minimum Make-up Torque2 (lb-ft) Bore of Drill Collar (inches) 1 3/4 2 2 1/4 2 1/2 2 13/16 3 1,749 1,749 1,749 2,926 2,926 2,926 3,697 3,697 *3,838 4,002 4,002 *4,089 *5,352 7,433 *4,640 *4,640 *7,390 6,853 *6,466 *6,466 5,685 *7,886 7,115 5,685 8,394 7,115 5,685 8,161 6,853 5,391 8,161 6,853 5,391 *9,038 *9,038 *9,038 7,411 12,273 10,826 9,202 7,411 12,273 10,826 9,202 7,411 *5,161 *5,161 *5,161 *5,161 *8,479 *8,479 *8,479 8,311 *12,074 11,803 10,144 8,311 13,283 11,803 10,144 8,311 13,283 11,803 10,144 8,311 *9,986 *9,986 *9,986 *9,986 8,315 *13.949 *13.949 12,907 10,997 8,315 16,207 14,643 12,907 10,997 8,315 16,207 14,643 12,907 10,997 8,315 *8,786 *8,786 *8,786 *8,786 *8,786 *12,794 *12,794 *12,794 *12,794 10,408 *17,094 16,929 15,137 13,151 10,408 18,522 16,929 15,137 13,151 10,408 251
  • 254. Motor Handbook, 7th Edition Connection Size Type 4 Full Hole     OD (in) 1 3/4 2 2 1/4 5 *10,910 *10,910 *10,910 API NC 40 5 1/4 *15,290 *15,290 *15,290 4 Mod. Open 5 1/2 *19,985 18,886 17,028 4 1/2 Dbl. Streamline 5 3/4 20,539 18,886 17,028 6 20,539 18,886 17,028 5 1/4 *12,590 *12,590 *12,590 4 H-904 5 1/2 *17,401 *22,531 21,714 25,408 23,671 21,714 6 1/4 API Regular *17,401 *22,531 6 4 1/2 *17,401 5 3/4 25,408 23,671 21,714 5 1/2 *15,576 *15,576 *15,576 5 3/4 *20,609 *20,609 *20,609 6 21,749 23,686 21,749 5 3/4 *20,895 *20,895 *20,895 *26,453 25,510 23,493 6 1/4 27,300 25,510 23,493 6 1/2 NC 44 23,686 25,407 6 API 25,407 6 1/4 27,300 25,510 23,493 *12,973 *12,973 *18,119 *18,119 6 *23,605 *23,605 6 1/4 27,294 25,272 6 1/2 API Full Hole 5 1/2 5 3/4 4 1/2 27,294 25,272 4 1/2 Extra Hole 5 3/4 *17,738 API NC 46 6 *23,422 4 API IF 6 1/4 28,021 4 1/2 Semi IF 6 1/2 28,021 5 Dbl. Streamline 6 3/4 28,021 4 1/2 Mod. Open 4 1/2 H-904 5 3/4 *18,019 6 *23,681 6 1/4 28,732 6 1/2 28,732 6 3/4 H-904 28,732 6 1/4 *25,360 6 1/2 5 *31,895 6 3/4   35,292   7     35,292 4 1/2 API IF 6 1/4 API NC 50 6 1/2 *29,679 5 Extra Hole 6 3/4 *36,742 *23,004 5 Mod. Open 7 38,397 5 1/2 Dbl. Streamline 7 1/4 38,397 5 Semi IF 7 1/2 38,397 5 1/2 H-904 6 3/4 *34,508 7 42,719 7 1/2 252 *41,993 7 1/4 42,719
  • 255. Engineering Reference Data Minimum Make-up Torque2 (lb-ft) Bore of Drill Collar (inches) 2 1/2 2 13/16 *10,910 *10,910 14,969 12,125 14,969 12,125 14,969 12,125 14,969 16,536 19,543 3 3/4 16,536 19,543 3 1/2 *12,590 *17,401 3 1/4 12,125 *12,590 3 16,536 19,543 16,536 *15,576 *15,576 19,601 16,629 19,601 16,629 19,601 16,629 *20,895 18,161 21,257 18,161 21,257 18,161 21,257 18,161 *12,973 *12,973 *18,119 *18,119 17,900 22,028 19,921 17,900 *12,973 23,028 19,921 17,900 23,028 19,921 17,900 *17,738 *17,738 *17,738 *23,422 22,426 20,311 25,676 22,426 20,311 25,676 22,426 20,311 25,676 22,426 20,311 *18,019 *18,019 *18,019 *23,681 23,159 21,051 26,397 23,159 21,051 26,397 23,159 21,051 26,397 23,159 21,051 *25,360 *25,360 *25,360 23,988 *31,895 29,400 27,167 23,988 32,825 29,400 27,167 23,988 32,825 29,400 27,167 23,988 *23,004 *23,004 *23,004 *23,004 *29,679 *29,679 *29,679 26,675 35,824 32,277 29,966 26,675 35,824 32,277 29,966 26,675 35,824 32,277 29,966 26,675 35,824 32,277 29,966 26,675 *34,508 *34,508 34,142 30,781 40,117 36,501 34,142 30,781 40,117 36,501 34,142 30,781 40,117 36,501 34,142 30,781 253
  • 256. Motor Handbook, 7th Edition Connection     Size Type OD 5 1/2 API Regular 6 3/4 *31,941 7 *39,419 7 1/4 42,481 (in)   1 3/4 2 2 1/4 7 1/2 NC 56 *40,998 *49,661 7 3/4 API 42,481 *32,762 7 1/2 API Full Hole 7 7 1/4 5 1/2 54,515 7 1/4 7 1/2 7 3/4 8 6 5/8 API Regular 7 1/2 7 3/4 8 8 1/4 6 5/8 H-904 7 1/2 7 3/4 8 8 1/4 API NC 61 8 8 1/4 8 1/2 8 3/4 9 5 1/2 API IF 8 8 1/4 8 1/2 8 3/4 9 9 1/4 6 5/8 API Full Hole 8 1/2 8 3/4 9 9 1/4 9 1/2 API NC 70 9 9 1/4 9 1/2 9 3/4 10 10 1/4 API NC 77 10 10 1/4 10 1/2 10 3/4 11 7 H-904 8 8 1/4 8 1/2 254
  • 257. Engineering Reference Data Minimum Make-up Torque2 (lb-ft) Bore of Drill Collar (inches) 2 1/2 2 13/16 3 3 1/4 *31,941 *31,941 *31,941 30,495 *39,419 36,235 33,868 36,235 33,868 3 3/4 30,495 39,866 3 1/2 30,495 39,866 36,235 33,868 30,495 *32,762 *32,762 *32,762 *32,762 *40,998 *40,998 *40,998 *40,998 *49,661 47,756 45,190 41,533 51,687 47,756 45,190 41,533 *40,498 *40,498 *40,498 *40,498 *49,060 48,221 45,680 42,058 52,115 48,221 45,680 42,058 52,115 48,221 45,680 42,058 *46,399 *46,399 *46,399 *46,399 *55,627 53,346 50,704 46,936 57,393 53,346 50,704 46,936 57,393 53,346 50,704 46,936 *46,509 *46,509 *46,509 *46,509 *55,708 *55,708 53,629 49,855 60,321 56,273 53,629 49,855 60,321 56,273 53,629 49,855 *55,131 *55,131 *55,131 *55,131 *65,438 *65,438 *65,438 61,624 72,670 68,398 65,607 61,624 72,670 68,398 65,607 61,624 72,670 68,398 65,607 61,624 *56,641 *56,641 *56,641 *56,641 *67,133 *67,133 *67,133 63,381 *56,641 59,027 74,626 70,277 67,436 63,381 59,027 74,626 70,277 67,436 63,381 59,027 74,626 70,277 67,436 63,381 59,027 74,626 70,277 67,436 63,381 59,027 *67,789 *67,789 *67,789 *67,789 *67,789 67,184 *79,544 *79,544 *79,544 76,706 72,102 67,184 88,582 83,992 80,991 76,706 72,102 67,184 88,582 83,992 80,991 76,706 72,102 67,184 88,582 83,992 80,991 76,706 72,102 67,184 *75,781 *75,781 *75,781 *75,781 *75,781 *75,781 *88,802 *88,802 *88,802 *88,802 *88,802 *88,802 *102,354 *102,354 *102,354 101,107 96,214 90,984 113,710 108,841 105,657 101,107 96,214 90,984 113,710 108,841 105,657 101,107 96,214 90,984 113,710 108,841 105,657 101,107 96,214 90,984 *108,194 *108,194 *108,194 *108,194 *108,194 *108,194 *124,051 *124,051 *124,051 *124,051 *124,051 *124,051 *140,491 *140,491 *140,491 140,488 135,119 129,375 154,297 148,965 145,476 140,488 135,119 129,375 154,297 148,965 145,476 140,488 135,119 129,375 *53,454 *53,454 *53,454 *53,454 *53,454 *53,454 *63,738 *63,738 *63,738 *63,738 60,971 56,382 *74,478 72,066 69,265 65,267 60,971 56,382 255
  • 258. Motor Handbook, 7th Edition Connection   Size Type 7 5/8 API Regular   2 2 1/4 OD 8 1/2 (in)   1 3/4 8 3/4 9 9 1/4 9 1/2 7 5/8 H-904 9 9 1/4 9 1/2 8 5/8 API Regular 10 10 1/4 10 1/2 8 5/8 H-904 7 H-904 10 1/4 10 1/2 8 3/4 (with low torque face) 9 API Regular 9 1/4 (with low torque face) 7 5/8 9 1/2 9 3/4 10 7 5/8 H-904 (with low torque face) 9 3/4 10 10 1/4 10 1/2 8 5/8 API Regular (with low torque face) 10 3/4 11 11 1/4 8 5/8 H-904 (with low torque face) 10 3/4 11 11 1/4 Notes: • Torque figures preceded by an asterisk (*) indicate that the weaker member for the corresponding outside diameter (OD) and bore is the BOX; for all other torque values the weaker member is the PIN. • In each connection size and type group, torque values apply to all connection types in the group, when used with the same drill collar outside diameter and bore, i.e. 2 3/8” API IF, API NC26, and 2 7/8” Slim Hole connections used with 3 1/2” x 1 1/4” drill collars all have the same minimum make-up torque of 4,600 ft-lb, and the BOX is the weaker member. • Stress-relief features are disregarded for make-up torque. 256
  • 259. Engineering Reference Data Minimum Make-up Torque2 (lb-ft) Bore of Drill Collar (inches) 2 1/2 2 13/16 3 3 1/4 3 1/2 3 3/4 *60,402 *60,402 *60,402 *60,402 *60,402 *60,402 *72,169 *72,169 *72,169 *72,169 *72,169 *72,169 *84,442 *84,442 *84,442 84,221 79,536 74,529 96,301 91,633 88,580 84,221 79,536 74,529 96,301 91,633 88,580 84,221 79,536 74,529 *73,017 *73,017 *73,017 *73,017 *73,017 *73,017 *86,006 *86,006 *86,006 *86,006 *86,006 *86,006 *99,508 *99,508 *99,508 *99,508 *99,508 96,285 *109,345 *109,345 *109,345 *109,345 *109,345 *109,345 *125,263 *125,263 *125,263 *125,263 *125,263 125,034 *141,767 *141,767 141,134 136,146 130,777 125,034 *113,482 *113,482 *113,482 *113,482 *113,482 *113,482 *130,063 *130,063 *130,063 *130,063 *130,063 *130,063 *68,061 *68,061 67,257 62,845 58,131 74,235 71,361 67,257 62,845 58,131 *73,099 *73,099 *73,099 *73,099 *86,463 *86,463 82,457 77,289 91,789 87,292 82,457 77,289 91,789 82,457 77,289 *91,667 *91,667 *91,667 *91,667 *106,260 *106,260 *106,260 104,171 98,804 117,112   87,292 *91,667 113,851 109,188 104,171 98,804 117,112 113,851 109,188 104,171 98,804 *112,883 *112,883 *112,883 *112,883 *130,672 *130,672 *130,672 *130,672 147,616 142,430 136,846 130,871 *92,960 *92,960 *92,960 *92,960 *110,781 *110,781 *110,781 *110,781 *129,203 *129,203 *129,203 *129,203 Footnotes: 1. Basis of calculations for recommended make-up torque assumed the use of a thread compound containing 40-60% by weight of finely powered metallic zinc or 60% by weight of finely powered metallic lead, with not more than 0.3% total active sulfur applied thoroughly to all threads and shoulders and using the modified screw jack formula in API RP7G (16th edition) Appendix A, paragraph A.9, and a unit stress of 62,500 psi in the box or pin, whichever is weaker. 2. Normal torque range is tabulated value plus 10%. Higher torque values may be used under extreme conditions. 3. Make-up torque for 2 7/8 PAC connection is based on 87,500 psi stress and other factors listed in footnote 1. 4. Make-up torque for H-90 connection is based on 56,200 psi stress and other factors listed in footnote 1. This table taken from API Recommended Practice 7G, Sixteenth Edition, December 1, 1998. 257
  • 260. Motor Handbook, 7th Edition 17. Drillpipe & Tool Joint Properties Recommended minimum OD and make-up torque of weld-on type tool joints based on torsional strength of box and drill pipe. Drill Pipe Nom Size Nom Type Upset Weight and Grade in 2 3/8 lb/ft 4.85 4.85 4.85 4.85 6.65 6.65 6.65 6.65 6.65 6.65 6.85 6.85 6.85 6.85 10.40 10.40 10.40 10.40 10.40 10.40 10.40 10.40 10.40 10.40 9.50 9.50 9.50 9.50 13.30 13.30 13.30 13.30 13.30 13.30 13.30 13.30 13.30 13.30 15.50 15.50 15.50 15.50 15.50 2 3/8 2 3/8 2 3/8 2 7/8 2 7/8 2 7/8 2 7/8 2 7/8 3 1/2 3 1/2 3 1/2 3 1/2 3 1/2 3 1/2 3 1/2 3 1/2 258 New Tool Joint Data Connection       EU-E75 NC26 EU-E75 W.O. EU-E75 2 3/8 OHLW EU-E75 2 3/8 SL-H90 IU-E75 2 3/8 PAC2 EU-E75 NC26 EU-E75 2 3/8 SL-H90 EU-E75 2 3/8 OHSW EU-X95 NC26 EU-G105 NC262 EU-E75 NC31 EU-E75 2 7/8 WO EU-E75 2 7/8 OHLW2 EU-E75 2 7/8 SL-H90 EU-E75 NC31 IU-E75 2 7/8 XH IU-E75 NC262 EU-E75 2 7/8 OHSW2 EU-E75 2 7/8 SL-H90 IU-E75 2 7/8 PAC2 EU-X95 NC31 EU-X95 2 7/8 SL-H902 EU-G105 NC31 EU-S135 NC31 EU-E75 NC38 EU-E75 NC38 EU-E75 3 1/2 OHLW EU-E75 3 1/2 SL-H90 EU-E75 NC38 IU-E75 NC312 EU-E75 3 1/2 OHSW EU-E75 3 1/2 H90 EU-X95 NC38 EU-X95 3 1/2 SL-H902 EU-X95 3 1/2 H90 EU-G105 NC38 EU-S135 NC40 EU-S135 NC38 EU-E75 NC38 EU-X95 NC38 EU-G105 NC38 EU-G105 NC40 EU-S135 NC40 New OD New ID in 3 3/8 3 3/8 3 1/8 3 1/4 2 7/8 3 3/8 3 1/4 3 1/4 3 3/8 3 3/8 4 1/8 4 1/8 3 3/4 3 7/8 4 1/8 4 1/4 3 3/8 3 7/8 3 7/8 3 1/8 4 1/8 3 7/8 4 1/8 4 3/8 4 3/4 4 3/4 4 3/4 4 5/8 4 3/4 4 1/8 4 3/4 5 1/4 5 4 5/8 5 1/4 5 5 3/8 5 5 5 5 5 1/4 5 1/2 in 1 3/4 2 2 2 1 3/8 1 3/4 2 1 3/4 1 3/4 1 3/4 2 1/8 2 7/16 2 7/16 2 7/16 2 1/8 1 7/8 1 3/4 2 5/32 2 5/32 1 1/2 2 2 5/32 2 1 5/8 3 2 11/16 3 3 2 11/16 2 1/8 2 11/16 2 3/4 2 9/16 2 11/16 2 3/4 2 7/16 2 7/16 2 1/8 2 9/16 2 7/16 2 1/8 2 9/16 2 1/4 Make-up Torque6 lb-ft 4,125 2,541 2,716 3,042 2,803 4,125 3,042 3,783 4,125 4,125 7,074 4,209 3,290 4,504 7,074 7,853 4,125 5,194 6,732 3,424 7,895 6,732 7,895 10,086 7,595 10,843 7,082 7,469 10,843 7,074 10,300 14,043 12,057 11,073 14,043 13,221 17,858 15,902 12,057 13,221 15,902 16,616 19,616 B P P P P B P B B B P P P P P P B P P P P P P P P P P P P P P P P P P P P P P P P P P
  • 261. Engineering Reference Data Premium Class Min OD Tool Joint in 3 1/8 3 1/16 3 2 31/32 2 25/32 3 3/16 3 1/32 3 1/16 3 1/4 3 9/32 3 11/16 3 5/8 3 1/2 3 1/2 3 13/16 3 23/32 3 3/8 3 19/32 3 19/32 3 1/8 3 29/32 3 11/16 3 15/16 4 1/16 4 13/32 4 13/32 4 9/32 4 3/16 4 1/2 4 4 13/32 4 17/32 4 19/32 4 3/8 4 5/8 4 21/32 5 4 13/16 4 17/32 4 21/32 4 23/32 4 15/16 5 3/32 Min Box Shoulder w/ Eccentric Wear in 3/64 1/16 1/16 1/16 9/64 5/64 3/32 3/32 7/64 1/8 5/64 5/64 7/64 3/32 9/64 9/64 11/64 5/32 9/64 15/64 3/16 3/16 13/64 17/64 1/8 1/8 1/8 7/64 11/64 15/64 3/16 1/8 7/32 13/64 11/64 1/4 9/32 21/64 3/16 1/4 9/32 1/4 21/64 Class 2 Make-up Torque for Min OD Tool Joint   lb-ft 1,945 1,994 1,723 1,996 2,455 2,467 2,549 2,216 3,005 3,279 3,154 3,216 3,290 3,397 4,597 4,357 4,125 4,411 4,529 3,424 5,726 5,702 6,110 7,694 5,773 5,773 5,340 5,521 7,274 6,893 7,278 7,064 8,822 8,742 8,826 9,879 12,569 12,614 7,785 9,879 10,957 11,363 14,419 Min OD Tool Joint in 3 3/32 3 1/32 2 31/32 2 15/16 2 23/32 3 5/32 2 31/32 3 1/32 3 7/32 3 1/4 3 21/32 3 19/32 3 7/16 3 7/16 3 3/4 3 21/32 3 11/32 3 9/16 3 17/32 3 1/8 3 27/32 3 5/8 3 7/8 4 4 11/32 4 11/32 4 1/4 4 5/32 4 7/16 3 15/16 4 11/32 4 1/2 4 17/32 4 5/16 4 9/16 4 19/32 4 29/32 4 23/32 4 15/32 4 19/32 4 5/8 4 27/32 4 31/32 Min Box Shoulder w/ Eccentric Wear in 1/32 3/64 3/64 3/64 7/64 1/16 1/16 5/64 3/32 7/64 1/16 1/16 5/64 1/16 7/64 7/64 5/32 7/64 7/64 15/64 5/32 5/32 11/64 15/64 3/32 3/32 7/64 3/32 9/64 13/64 5/32 7/64 3/16 11/64 9/64 7/32 15/64 9/32 5/32 7/32 15/64 13/64 17/64 Make-up Torque for Min OD Tool Joint lb-ft 1,689 1,746 1,481 1,726 2,055 2,204 1,996 1,967 2,734 3,005 2,804 2,876 2,804 2,666 3,867 3,664 3,839 4,079 3,770 3,424 4,969 4,915 5,345 6,893 4,797 4,797 4,868 5,003 6,268 6,110 6,299 6,487 7,785 7,647 7,646 8,822 10,768 10,957 6,769 8,822 9,348 9,595 11,963 259
  • 262. Motor Handbook, 7th Edition Drill Pipe Nom Size in 4 4 4 4 4 4 4 4 4 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 4 1/2 260 New Tool Joint Data Type Nom Upset Weight and Grade Connection New OD New ID lb/ft 11.85 11.85 11.85 11.85 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 14.00 15.70 15.70 15.70 15.70 15.70 15.70 15.70 15.70 15.70 15.70 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 16.60 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00 20.00   NC46 4 WO 4 OHLW 4 H90 NC40 NC46 4 SH2 4 OHSW 4 H90 NC40 NC46 4 H90 NC40 NC46 4 H90 NC46 NC40 NC46 4 H90 NC40 NC46 4 H90 NC46 4 H90 NC46 NC46 4 1/2 FH NC46 4 1/2 OHSW NC50 4 1/2 H90 4 1/2 FH NC46 NC50 4 1/2 H90 4 1/2 FH NC46 NC50 4 1/2 H90 NC46 NC50 4 1/2 FH NC46 NC50 4 1/2 H90 4 1/2 FH NC46 NC50 4 1/2 H90 NC46 NC50 NC50 in 6 5 3/4 5 1/4 5 1/2 5 1/4 6 4 5/8 5 1/2 5 1/2 5 1/4 6 5 1/2 5 1/2 6 5 1/2 6 5 1/4 6 5 1/2 5 1/2 6 5 1/2 6 5 1/2 6 6 6 6 1/4 5 7/8 6 5/8 6 6 6 1/4 6 5/8 6 6 6 1/4 6 5/8 6 6 1/4 6 5/8 6 6 1/4 6 5/8 6 6 6 1/4 6 5/8 6 6 1/4 6 5/8 6 5/8 in 3 1/4 3 7/16 3 15/32 2 13/16 2 13/16 3 1/4 2 9/16 3 1/4 2 13/16 2 11/16 3 1/4 2 13/16 2 7/16 3 1/4 2 13/16 3 2 11/16 3 1/4 2 13/16 2 7/16 3 2 13/16 3 2 13/16 2 5/8 2 7/8 3 3 1/4 3 3/4 3 3/4 3 1/4 2 3/4 3 3 3/4 3 2 3/4 3 3 3/4 3 2 3/4 3 1/2 3 3 3 5/8 3 2 1/2 2 3/4 3 1/2 3 2 1/2 3 1/2 3     EU-E75 EU-E75 EU-E75 IU-E75 IU-E75 EU-E75 IU-E75 EU-E75 IU-E75 IU-X95 EU-X95 IU-X95 IU-G105 EU-G105 IU-G105 EU-S135 IU-E75 EU-E75 IU-E75 IU-X95 EU-X95 IU-X95 EU-G105 IU-G105 IU-S135 EU-S135 IEU-E75 IEU-E75 IEU-E75 EU-E75 IEU-E75 IEU-X95 IEU-X95 EU-X95 IEU-X95 IEU-G105 IEU-G105 EU-G105 IEU-G105 IEU-S135 EU-S135 IEU-E75 IEU-E75 EU-E75 IEU-E75 IEU-X95 IEU-X95 EU-X95 IEU-X95 IEU-G105 EU-G105 EU-S135 Make-up Torque6 lb-ft 19,937 17,186 13,186 21,185 13,968 19,937 9,016 16,236 21,185 15,319 19,937 21,185 17,858 19,937 21,185 23,399 15,319 19,937 21,185 17,858 23,399 21,185 23,399 21,185 26,982 25,038 20,620 19,937 16,162 22,361 23,126 23,695 19,937 22,361 26,969 23,695 23,399 22,361 26,969 26,615 26,674 20,620 23,399 24,549 26,969 26,528 26,615 26,674 26,969 29,578 26,674 34,520 P P P P P P P P P P P P P P P P P P P P P P P P B P P P P P P P P P P P P P P P P P P P P P P P P P P P
  • 263. Engineering Reference Data Premium Class Min Box Make-up Min OD Shoulder Torque for Tool Joint w/ Eccentric Min OD Wear Tool Joint in in lb-ft   5 7/32 7/64 7,843 5 7/32 7/64 7,843 5 9/64 7,866 4 7/8 7/64 7,630 4 13/16 3/16 9,017 5 9/32 9/64 9,233 4 7/16 15/64 8,782 5 1/16 11/64 9,131 4 15/16 9/64 8,986 4 15/16 1/4 11,363 5 3/8 3/16 11,363 5 1/32 3/16 11,065 5 9/32 12,569 5 7/16 7/32 12,813 5 3/32 7/32 12,481 5 9/16 9/32 15,787 4 7/8 7/32 10,179 5 5/16 5/32 9,937 4 31/32 5/32 9,673 5 9/32 12,569 5 7/16 7/32 12,813 5 3/32 7/32 12,481 5 15/32 15/64 13,547 5 5/32 1/4 13,922 5 21/32 21/64 18,083 5 21/32 21/64 18,083 5 3/8 13/64 12,125 5 13/32 13/64 12,085 5 7/16 13/64 11,862 5 23/32 5/32 11,590 5 11/32 3/16 12,215 5 1/2 17/64 14,945 5 17/32 17/64 15,035 5 27/32 7/32 14,926 5 15/32 1/4 15,441 5 9/16 19/64 16,391 5 19/32 19/64 16,546 5 29/32 1/4 16,633 5 1/2 17/64 16,264 5 25/32 25/64 21,230 6 1/16 21/64 21,017 5 15/32 1/4 14,231 5 1/2 1/4 14,288 5 13/16 13/64 14,082 5 13/32 7/32 13,815 5 5/8 21/64 17,861 5 21/32 21/64 18,083 5 15/16 17/64 17,497 5 9/16 19/64 17,929 5 23/32 23/64 19,644 6 1/32 5/16 20,127 6 7/32 13/32 25,569 Class 2 Min Box Make-up Min OD Shoulder Torque for Min Tool Joint w/ Eccentric OD Tool Joint Wear in in lb-ft 5 5/32 5/64 6,476 5 5/32 5/64 6,476 4 15/16 7/64 6,593 4 27/32 3/32 6,962 4 3/4 5/32 7,877 5 7/32 7/64 7,843 4 3/8 13/64 7,817 5 9/64 7,839 4 7/8 7/64 7,630 4 27/32 13/64 9,595 5 5/16 5/32 9,937 4 31/32 5/32 9,673 4 29/32 15/64 10,768 5 11/32 11/64 10,647 5 1/32 3/16 11,065 5 1/2 1/4 14,288 4 25/32 11/64 8,444 5 1/4 1/8 8,535 4 29/32 1/8 8,305 4 29/32 15/64 10,768 5 11/32 11/64 10,647 5 1/32 3/16 11,065 5 13/32 13/64 12,085 5 1/16 13/64 11,770 5 17/32 17/64 15,035 5 17/32 17/64 15,035 5 9/32 5/32 10,072 5 11/32 11/64 10,647 5 3/8 11/64 10,375 5 11/16 9/64 10,773 5 9/32 5/32 10,642 5 13/32 7/32 12,821 5 7/16 7/32 12,813 5 25/32 3/16 13,245 5 3/8 13/64 13,013 5 15/32 1/4 14,231 5 1/2 1/4 14,288 5 13/16 13/64 14,082 5 7/16 15/64 14,625 5 21/32 21/64 18,083 5 31/32 9/32 18,367 5 3/8 13/64 12,125 5 13/32 13/64 12,085 5 3/4 3/16 12,415 5 11/32 3/16 12,215 5 17/32 9/32 15,665 5 9/16 9/32 15,787 5 7/8 15/64 15,776 5 15/32 1/4 15,441 5 5/8 5/16 17,311 5 29/32 1/4 16,633 6 3/32 11/32 21,914 261
  • 264. Motor Handbook, 7th Edition Drill Pipe Nom Size in 5 5 5 5 5 5 5 5 5 1/2 5 1/2 5 1/2 5 1/2 5 1/2 5 1/2 5 1/2 5 1/2 6 5/8 6 5/8 New Tool Joint Data Type Nom Upset Weight and Grade lb/ft 19.50 19.50 19.50 19.50 19.50 19.50 19.50 25.60 25.60 25.60 25.60 25.60 25.60 25.60 21.90 21.90 21.90 21.90 21.90 24.70 24.70 24.70 24.70 25.20 27.70     IEU-E75 IEU-X95 IEU-X95 IEU-G105 IEU-G105 IEU-S135 IEU-S135 IEU-E75 IEU-E75 IEU-X95 IEU-X95 IEU-G105 IEU-G105 IEU-S135 IEU-E75 IEU-X95 IEU-X95 IEU-G105 IEU-S135 IEU-E75 IEU-X95 IEU-G105 IEU-S135 IEU-E75 IEU-X95 IEU-G105 IEU-S135 IEU-E75 IEU-X95 IEU-G105 IEU-S135 Connection New OD   NC50 NC50 5 H90 NC50 5 H90 NC50 5 1/2 FH NC50 5 1/2 FH NC50 5 1/2 FH NC50 5 1/2 FH 5 1/2 FH 5 1/2 FH 5 1/2 FH 5 1/2 H90 5 1/2 FH 5 1/2 FH 5 1/2 FH 5 1/2 FH 5 1/2 FH 5 1/2 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH 6 5/8 FH in 6 5/8 6 5/8 6 1/2 6 5/8 6 1/2 6 5/8 7 1/4 6 5/8 7 6 5/8 7 6 5/8 7 1/4 7 1/4 7 7 7 7 1/4 7 1/2 7 7 1/4 7 1/4 7 1/2 8 8 8 1/4 8 1/2 8 8 1/4 8 1/4 8 1/2 New ID 3 3 3 3 2 3 3 3 3 2 3 3 3 3 3 3 3 4 4 4 4 4 in 3/4 1/2 1/4 1/4 3 3/4 1/2 1/2 1/2 3 1/2 3/4 1/2 1/4 4 3/4 1/2 1/2 3 4 1/2 1/2 3 5 5 3/4 1/4 5 3/4 3/4 1/4 Make-up Torque6 lb-ft 22,361 26,674 30,732 30,730 34,805 38,036 43,328 26,674 37,742 34,520 37,742 38,036 43,328 47,230 33,412 37,742 34,820 43,328 52,059 33,412 43,328 43,328 52,059 43,934 43,934 51,280 65,012 43,934 51,280 51,280 65,012 P P P P P P P P B P B P P B P B P P P P P P P P P P P P P P P Note: Tool joint diameters specified are required to retain torsional strength in the tool joint comparable to the torsional strength of the attached drill pipe. These should be adequate for all service. Tool joints with torsional strengths considerably below that of the drill pipe may be adequate for much drilling service. 262
  • 265. Engineering Reference Data Premium Class Class 2 Min Box Make-up Min Box Make-up Min OD Shoulder Torque for Min OD Shoulder Torque for Min Tool Joint w/ Eccentric Min OD Tool Joint w/ Eccentric OD Tool Joint Wear Tool Joint Wear in in lb-ft   in in lb-ft 5 7/8 15/64 15,776 5 13/16 13/64 14,082 6 1/32 5/16 20,127 5 15/16 17/64 17,497 5 27/32 19/64 19,862 5 3/4 1/4 17,116 6 3/32 11/32 21,914 6 19/64 19,244 5 29/32 21/64 21,727 5 13/16 9/32 18,940 6 5/16 29/64 28,381 6 3/16 25/64 24,645 6 3/4 3/8 28,737 6 5/8 5/16 24,412 6 1/32 5/16 20,127 5 15/16 17/64 17,497 6 1/2 1/4 20,205 6 13/32 13/64 17,127 6 7/32 13/32 25,569 6 3/32 11/32 21,914 6 21/32 21/64 25,483 6 9/16 9/32 22,294 6 9/32 7/16 27,437 6 5/32 3/8 23,728 6 23/32 23/64 27,645 6 5/8 5/16 24,412 6 15/16 15/32 35,446 6 13/16 13/32 30,943 6 15/32 15/64 19,172 6 13/32 13/64 17,127 6 5/8 5/16 24,412 6 17/32 17/64 21,246 6 3/16 21/64 24,414 6 3/32 9/32 21,349 6 23/32 23/64 27,645 6 19/32 19/64 23,350 6 15/16 15/32 35,446 6 13/16 13/32 30,943 6 9/16 9/32 22,294 6 15/32 15/64 19,172 6 23/32 23/64 27,645 6 19/32 19/64 23,350 6 25/32 25/64 29,836 6 11/16 11/32 26,560 7 1/32 33/64 38,901 6 7/8 7/16 33,180 7 7/16 1/4 26,810 7 3/8 7/32 24,100 7 5/8 11/32 35,139 7 1/2 9/32 29,552 7 11/16 5/8 37,983 7 19/32 21/64 33,730 7 29/32 31/64 48,204 7 25/32 27/64 42,312 7 1/2 9/32 29,552 7 13/32 15/64 25,451 7 11/16 3/8 37,983 7 9/16 5/16 32,329 7 3/4 13/32 40,860 7 21/32 23/64 36,556 8 17/32 52,714 7 27/32 29/64 45,241 Footnotes: 1. use of outside diameters (OD) smaller than those listed in the The table may be acceptable due to special service requirements. 2. joint with dimensions shown has lower torsional yield ratio than Tool the 0.80 which is generally used. 3. Recommended make-up torque is based on 72,000 psi stress. 4. calculation of torsional strengths of tool joints, both new and worn, In the bevels of the tool joint shoulders are disregarded. This thickness measurement should be made in the plane of the face from the ID of the counter bore to the outside diameter of the box, disregarding the bevels. 5. tool joint with an outside diameter less than API bevel diameter Any should be provided with a minimum 1/32” depth x 45° bevel on the outside and inside diameter of the box shoulder and outside diameter of the pin shoulder. 6. = Pin limit, B = Box limit. P This table taken from API Recommended Practice 7G, Sixteenth Edition, December 1, 1998. 263
  • 266. Motor Handbook, 7th Edition 18. Mechanical Properties of Drillpipe New & Used (API Premium Class & API Class 2) Drillpipe Torsional and Tensile Data Size OD (in) 2 3/8 1 Nominal Weight New (lb/ft) 4.85 2 Class Torsional Data Torsional Yield Strength (lb-ft) X95 G105 6,033 6,668 4,719 5,215 4,083 4,513 New Premium Class 2 E75 4,763 3,725 3,224 New Premium Class 2 New Premium Class 2 6,250 4,811 4,130 8,083 6,332 5,484 7,917 6,093 5,232 10,238 8,020 6,946 8,751 6,735 5,782 11,316 8,865 7,677 11,251 8,659 7,434 14,549 11,397 9,871 New Premium Class 2 New Premium Class 2 11,554 8,858 7,591 14,146 11,094 9,612 14,635 11,220 9,615 17,918 14,052 12,176 16,176 12,401 10,627 19,805 15,531 13,457 20,798 15,945 13,663 25,463 19,968 17,302 13.30 New Premium Class 2 18,551 14,361 12,365 23,498 18,191 15,663 25,972 20,106 17,312 33,392 25,850 22,258 15.50 New Premium Class 2 New Premium Class 2 21,086 16,146 13,828 19,474 15,310 13,281 26,708 20,452 17,515 24,668 19,392 16,823 29,520 22,605 19,359 27,264 21,433 18,594 37,954 29,063 24,890 35,054 27,557 23,907 14.00 New Premium Class 2 23,288 18,196 15,738 29,498 23,048 19,935 32,603 25,474 22,034 41,918 32,752 28,329 15.70 New Premium Class 2 New Premium Class 2 25,810 20,067 17,315 25,907 20,403 17,715 32,692 25,418 21,932 32,816 25,844 22,439 36,134 28,094 24,241 36,270 28,564 24,801 46,458 36,120 31,166 46,633 36,725 31,887 16.60 New Premium Class 2 30,807 24,139 20,908 39,022 30,576 26,483 43,130 33,795 29,271 55,453 43,450 37,634 20.00 New Premium Class 2 36,901 28,683 24,747 46,741 36,332 31,346 51,661 40,157 34,645 66,421 51,630 44,544 22.82 New Premium Class 2 40,912 31,587 27,161 51,821 40,010 34,404 57,276 44,222 38,026 73,641 56,856 48,890 6.65 2 7/8 6.85 10.40 3 1/2 4 4 1/2 264 9.50 11.85 13.75 S135 8,574 6,705 5,802
  • 267. Engineering Reference Data Size OD 1 Nominal Weight New (lb/ft) 4.85 3 Tensile Data New Premium Class 2 Load at Minimum Yield Strength (lb) E75 X95 G105 S135 97,817 123,902 136,944 176,071 76,893 97,398 107,650 138,407 66,686 84,469 93,360 120,035 New Premium Class 2 New Premium Class 2 138,214 107,616 92,871 135,902 106,946 92,801 175,072 136,313 117,636 172,143 135,465 117,549 193,500 150,662 130,019 190,263 149,725 129,922 248,786 193,709 167,167 244,624 192,503 167,043 New Premium Class 2 New Premium Class 2 214,344 166,535 143,557 194,264 152,979 132,793 271,503 210,945 181,839 246,068 193,774 168,204 300,082 233,149 200,980 271,970 214,171 185,910 385,820 299,764 258,403 349,676 275,363 239,027 13.30 New Premium Class 2 271,569 212,150 183,398 343,988 268,723 232,304 380,197 297,010 256,757 488,825 381,870 330,116 15.50 New Premium Class 2 New Premium Class 2 322,775 250,620 215,967 230,755 182,016 158,132 408,848 317,452 273,558 292,290 230,554 200,301 451,885 350,868 302,354 323,057 254,823 221,385 580,995 451,115 388,741 415,360 327,630 284,638 14.00 New Premium Class 2 285,359 224,182 194,363 361,454 283,963 246,193 399,502 313,854 272,108 513,646 403,527 349,852 15.70 (in) 2 3/8 New Premium Class 2 New Premium Class 2 324,118 253,851 219,738 270,034 213,258 185,389 410,550 321,544 278,335 342,043 270,127 234,827 453,765 355,391 307,633 378,047 298,561 259,545 583,413 456,931 395,528 486,061 383,864 333,701 16.60 New Premium Class 2 330,558 260,165 225,771 418,707 329,542 285,977 462,781 364,231 316,080 595,004 468,297 406,388 20.00 New Premium Class 2 412,358 322,916 279,502 522,320 409,026 354,035 577,301 452,082 391,302 742,244 581,248 503,103 22.82 New Premium Class 2 471,239 367,566 317,497 596,903 465,584 402,163 659,734 514,593 444,496 848,230 661,620 571,495 6.65 2 7/8 6.85 10.40 3 1/2 4 4 1/2 9.50 11.85 13.75 Class 265
  • 268. Motor Handbook, 7th Edition Size OD 1 Nominal Weight New (lb/ft) 16.25 Torsional Data 2 41,167 32,285 27,976 52,144 40,895 35,436 57,633 45,199 39,166 74,100 58,113 50,356 New Premium Class 2 New Premium Class 2 52,257 40,544 34,947 44,074 34,764 30,208 66,192 51,356 44,267 55,826 44,035 38,263 73,159 56,762 48,926 61,703 48,670 42,291 94,062 72,979 62,905 79,332 62,575 54,374 21.90 New Premium Class 2 50,710 39,863 34,582 64,233 50,494 43,804 70,994 55,809 48,414 91,278 71,754 62,247 24.70 6 5/8 New Premium Class 2 25.60 5 1/2 New Premium Class 2 19.50 (in) 5 Torsional Yield Strength (lb-ft) E75 X95 G105 S135 35,044 44,389 49,062 63,079 27,607 34,969 38,650 49,693 23,974 30,368 33,564 43,154 New Premium Class 2 New Premium Class 2 56,574 44,320 38,383 70,580 55,766 48,497 71,660 56,139 48,619 89,402 71,522 61,430 79,204 62,048 53,737 98,812 79,050 67,896 101,833 79,776 69,090 127,044 101,635 87,295 New Premium Class 2 76,295 60,192 52,308 96,640 77,312 66,257 106,813 85,450 73,231 137,330 109,864 94,155 19.20 25.20 27.70 266 Class
  • 269. Engineering Reference Data Size OD 1 Nominal Weight New (lb/ft) 16.25 Tensile Data 3 395,595 311,535 270,432 501,087 394,612 342,548 553,833 436,150 378,605 712,070 560,764 486,778 New Premium Class 2 New Premium Class 2 530,144 414,690 358,731 372,181 294,260 255,954 671,515 525,274 454,392 471,429 372,730 324,208 742,201 580,566 502,223 521,053 411,965 358,335 954,259 746,443 645,715 669,925 529,669 460,717 21.90 New Premium Class 2 437,116 344,780 299,533 553,681 436,721 379,409 611,963 482,692 419,346 786,809 620,604 539,160 24.70 6 5/8 New Premium Class 2 25.60 5 1/2 New Premium Class 2 Load at Minimum Yield Strength (lb) E75 X95 G105 S135 328,073 415,559 459,302 590,531 259,155 328,263 362,817 466,479 225,316 285,400 315,442 405,568 19.50 (in) 5 New Premium Class 2 New Premium Class 2 497,222 391,285 339,533 489,464 387,466 337,236 629,814 495,627 430,076 619,988 490,790 427,166 696,111 547,799 475,347 685,250 542,452 472,131 894,999 704,313 611,160 881,035 697,438 607,026 New Premium Class 2 534,199 422,419 367,455 676,651 535,064 465,443 747,877 591,387 514,437 961,556 760,354 661,419 19.20 25.20 27.70 Class Footnotes: 1. weight, nominal with threads and couplings. New New Drillpipe 2. Based on the shear strength equal to 57.7 percent of minimum yield strength and nominal wall thickness. Minimum torsional yield strength calculated from equation in RP7G, (16th edition) Appendix A, paragraph A.14. 3. Tensile data based on minimum values. Minimum tensile strength calculated from equation in API RP7G, (16th edition) Appendix A, paragraph A.13. Premium Class 2. Based on the shear strength equal to 57.7 percent of minimum yield strength. Torsional data based on 20 percent uniform wear on outside diameter. 3. Tensile data based on 20 percent uniform wear on outside diameter. Class 2 2. Based on the shear strength equal to 57.7 percent of minimum yield strength. Torsional data based on 30 percent uniform wear on outside diameter. 3. Tensile data based on 30 percent uniform wear on outside diameter. This table taken from API Recommended Practice 7G, Sixteenth Edition, December 1, 1998. 267
  • 270. Motor Handbook, 7th Edition 19. Hole Curvature Build Rate  Radius of Curvature °/100 ft (°/30m) 2 4 6 8 10 12 14 16 18 20 22 24 26 28 30 32 34 36 38 40 42 44 46 48 50 52 54 56 58 60 62 64 66 68 70 72 74 76 78 80  R1 (feet) 2865 1432 955 716 573 477 409 358 318 286 260 239 220 205 191 179 169 159 151 143 136 130 125 119 115 110 106 102 99 95 92 90 87 84 82 80 77 75 73 72  R2 (meters) 859 430 286 215 172 143 123 107 95 86 78 72 66 61 57 54 51 48 45 43 41 39 37 36 34 33 32 31 30 29 28 27 26 25 25 24 23 23 22 21 Build Rate °/100 ft (°/30m) 82 84 86 88 90 92 94 96 98 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 210 220 230 240 250 260 270 280 290 300  Radius of Curvature  R1 (feet) 70 68 67 65 64 62 61 60 58 57 55 52 50 48 46 44 42 41 40 38 37 36 35 34 33 32 31 30 29 29 27 26 25 24 23 22 21 20 20 19 FORMULA: R1 = R2 = 268 Arc Length (ft) .017453 x Angle (°) Arc Length (m) .017453 x Angle (°) ANGLE (degrees) ARC LENGTH RADIUS  R2 (meters) 21 20 20 20 19 19 18 18 18 17 16 16 15 14 14 13 13 12 12 11 11 11 10 10 10 10 9 9 9 9 8 8 7 7 7 7 6 6 6 6
  • 271. Engineering Reference Data Alphabetical Subject Index A Abrasives .......................................................................................... 35 Adjustable Assembly ...........................................................................7 Adjustable Operating Instructions ...................................................... 49 Air Drilling ................................................................................... 21–24 AKO ............................................................... See Adjustable Assembly Aniline Point ............................................................................ 8, 35, 37 B Back Reaming ................................................................................... 40 Bearing Assembly ...............................................................................7 Mud Lubricated ................................................................................ 8 Oil Seal ............................................................................................ 7 Bearing Stack ......................................................See Bearing Assembly Bend Settings .............................................................................. 21, 51 Bent Coupling Housing ................................... See Adjustable Assembly BHA ....................................................................................................3 Bit Bounce ........................................................................................ 31 Bit Pressure Drop Limit .....................................................................33 Bit to Bend ............................................................................ 57, 64–65 Black Max™ ......................................................................................52. BlackBox® ............................................................................... 9, 16, 40 Build Rates ....................................................................................... 67 Buoyancy Factor ............................................................................. 248. Bypass Sub ...................................................................See Dump Sub Bypass Valve ................................................................. See Dump sub Bypass, Rotor ............................................................................. 41, 47 C Cement ............................................................................................. 35 Chlorides .......................................................................................... 37 Chunking ........................................................................ 22, 28, 33, 36 Coiled Tubing .............................................................................. 15, 24 Conversion Factors ................................................................. 242–243 Coring ............................................................................................... 24 Corrosion ........................................................................ 21, 36, 37, 42 Coupling Assembly .........................................See Driveshaft Assembly D Differential Pressure .................................................... 6, 28, 39, 58–61 Directional Drilling ............................................................................. 21 Drill Bit Sizes ................................................................................... 246. Drill Bits ..............................................................................................8 Drill Collar Weights .......................................................................... 249. Drilling Applications .................................................................... 19–21 Drilling Fluids .................................................................................... 34 Additives ........................................................................................ 38 Air or Two-Phase..........................................................See Air Drilling Chlorides ....................................................................................... 37 Drillpipe Properties .......................................................................... 264. Drillstring RPM Limit.......................................................................... 32 Driveshaft Assembly............................................................................7 Dump Sub .............................................................................. 5, 25, 42 Dump Valve.................................................................... See Dump sub DuraPower™ ....................................................................................12 Dusting.............................................................................................. 23 269
  • 272. Motor Handbook, 7th Edition E Elastomers ........................................................................................ 15 Endplay ............................................................................................. 42 Erosion ............................................................................................. 35 Even Wall Elastomer .................................................................... 12, 39 F Fit of Rotor and Stator ....................................................................... 39 Fit of Rotor and Stator ....................................................................... 33 Fixed Cutter .........................................................................................8 Fixed Housing .....................................................................................7 Flex Coupling ..................................................See Driveshaft Assembly Flow Rate ................................................................................ 6, 20, 67 Flow Restrictors ................................................................................ 33 Foam ................................................................................................ 21 H H2S .................................................................................. See Sour Gas Heavy Walled Drillpipe ..................................................................... 247. HEMIDRIL ......................................................................................... 12 High Gravity Solids (HGS) ................................................................. 35 HNBR, ........................................................................................ 15, 36 Hole Curvature ................................................................................ 268. Hot Hole ........................................................................................... 26 Hydraulic Extension ...........................................................................40 Hydraulic Power .............................................................................. 241 I ITrax ................................................................................................. 44 L Lobe Configurations ............................................................................6 Lost Circulation Material (LCM) ................................................... 35, 38 Low Gravity Solids (LGS) ..................................................................35 M Maintenance ..................................................................................... 42 Make-up Torque Black Max™ Adjustable ................................................................. 53 Drill Collars .................................................................................. 248. Drillpipe & Tool Joints .................................................................. 256. Lock Housings ............................................................................... 51 Stabilizers ........................................................................................ 9 Top Subs ....................................................................................... 43 Maximum Flow Rates .................................................................. 58–61 Microstalling ....................................................................See Stick Slip Milling ............................................................................................... 24 ML3 Mud Lubricated Technology .......................................................11 Mouseholes ...................................................................................... 24 Mud .................................................................................................. 34 Mud Density ..................................................................................... 35 N NBR ............................................................................................ 15, 36 Nitrogen ............................................................................................ 23 No-bypass .................................................................................. 10, 41 Nozzle ......................................................................................... 41, 47 270
  • 273. Engineering Reference Data O Off Bottom ............................................................................ 26, 41, 68. Oil Based Mud (OBM) ................................................................. 35, 36 Output Shaft Assembly ........................................See Bearing Assembly Over-Running the Bit ......................................................................... 28 P Performance Curves - How to Use .............................................. 67–69 Performance Drilling ......................................................................... 20 pH Levels .......................................................................................... 35 Plugging Off ...................................................................................... 40 Power Rib ................................................................................... 12, 14 Power Section ................................................................................. 5–7 PowerPLUS™ ......................................................................... 6, 13, 15 Pressure De-rating ............................................................................ 39 Pressure Drop ............................................................... 32, 33, 66, 239. Pull to Re-run ........................................................................ 57, 64–65 Pull to Yield ........................................................................... 57, 64–65 Pulling Out Of Hole (POOH) ............................................................... 42 R Rat holes .......................................................................................... 24 Reactive Torque ................................................................................ 27 Rotary Drilling ....................................................................... 21, 32, 67. Rotary Steerable System (RSS) ............................................. 10, 12, 41 Rotating String .................................................................................. 32 Running In ........................................................................................ 25 S Sand Content .................................................................................... 35 Servicing a Motor .............................................................................. 44 Soft Stall ........................................................................................... 42 Sour Gas .......................................................................................... 36 Spudding .......................................................................................... 24 Square motor .................................................................................... 20 SR3 Short Radius Technology ........................................................... 11 ST1 Sealed Bearing Technology ......................................................... 10 ST2 Sealed Bearing Technology ......................................................... 10 ST2H Sealed Bearing Technology ...................................................... 10 ST3 Sealed Bearing Technology ......................................................... 10 Stabilizers ..................................................................................... 9, 67 Stall ...................................................................................... 28, 40, 54 Stick Slip ...................................................................................... 8, 29 T Temperature, ..................................................................................... 39 Top Sub, .............................................................................................5 Motor Catch Top Sub ....................................................................... 5 Rotor Catch Top Sub ........................................................................ 5 Torque ........................................................................................ 58–61 Total Flow Area (TFA) ...................................................................... 241 Track-A-Tool (TAT) .............................................................................44 Transmission ..................................................See Driveshaft Assembly Tripping Out ...................................................................................... 42 Troubleshooting ................................................................................ 54 Twin Torque Nut ................................................................................ 11 271
  • 274. Motor Handbook, 7th Edition U Universal Joint ................................................See Driveshaft Assembly U-tubing ............................................................................................ 40 V Vector™ ............................................................................................ 13 Vertical Drilling .................................................................................. 20 VibraSCOPE™ ................................................................. 16, 29, 32, 40 Vibration ........................................................................................... 28 Axial .............................................................................................. 31 Lateral ........................................................................................... 30 Torsional ........................................................................................ 29 W Warming Up a Motor ......................................................................... 26 Wash Out .......................................................................................... 54 Water Based Mud (WBM) ..................................................................38 Whirl ................................................................................................. 30 WOB ..................................................................................... 57, 62–63 Workover .......................................................................................... 24 272
  • 275. Version History Version 7.3 – July 2010 First Printed Version Version 7.4 – May 2011 Page 10 - 24XH motor now referred to as ST2H to differentiate it as having higher torque capabilities than the ST2 (24 & 24X) Page 24 - Changed 1 7/16” to 1 11/16” Page 40 - Revised Back Reaming section Page 58-59 - Updated values for new Monoflo CT power sections Page 61 - Corrected 5” 7/8 3.8 HEMI Torque @ Max Pressure from 5964 to 4480 ft-lbs (8,090 to 6,070 N-m) Page 70 - Remove 1 11/16” 5/6 4.4 Stage CT power section Page 70-71 - Replaced power section specs with new Monoflo CT power sections Page 73 - Added 2 7/8” 5/6 3.5 Stage CT HEMDRIL power section w/ ST3 motor and straight housing Page 75 - Added 2 7/8” 5/6 7.0 Stage CT power section Page 76-236 - Append “@ 0°” to “Max Effective OD of Slick Motor @ Adjusting Ring” Page 76-236 - Updated build rates as per latest calculations Page 160-161 - Added 6 3/4” 7/8 5.0 Stage SR3 Performance Spec Sheet Page 208 - Added missing dimensions for 2 7/8” 5/6 3.5 Stage HEMIDRIL CT w/ ST2 motor Page 110 - Added 4 3/4” 7/8 2.6 Stage power section Page 273 - Added Version History Page 273
  • 276. Downhole Solutions Drilling Solutions Engineering and Project Management Solutions Lifting and Handling Solutions Corporate Headquarters 7909 Parkwood Circle Drive Houston, Texas 77036 United States Phone: 713 375 3700 Fax: 713 346 7687 Production Solutions Supply Chain Solutions For a complete list of NOV Downhole locations, visit us online: www.nov.com/downholelocations Tubular and Corrosion Control Solutions Well Service and Completion Solutions National Oilwell Varco has produced this brochure for general information only, and it is not intended for design purposes. Although every effort has been made to maintain the accuracy and reliability of its contents, National Oilwell Varco in no way assumes responsibility for liability for any loss, damage or injury resulting from the use of information and data herein. All applications for the material described are at the user’s risk and are the user’s responsibility. All brands listed are trademarks of National Oilwell Varco. One Company . . . Unlimited Solutions downhole@nov.com w w w. n o v. c o m © 2011 National Oilwell Varco PP010000857-MKT-001-Rev05