Drilling Engineers, Drilling Managers, Drilling Superintendents - Please have a look through the Paradigm Drilling Equipment Brochure. BHA Equipment and Drilling Tools. OFESCO represent Paradigm Drilling Services in Africa. Contact ian@ofesco.com for further details

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2. www.paradigm.eu©2015ParadigmGroupB.V.Allrightsreserved.
DrillingEquipment&Services
Supplierofconventional&specialistBHAequipmentanddrillingtools:
•LargefleetoftraditionalBHAEquipment(Collars,Stabilisers,etc)
•LargestindependentfleetofRotaryHoleOpenersinUKCS
•FullrangeofHoleEnlargementToolsforUnder-reamingandReamingwhileDrilling
•DiamondBackedTechnologyforon-gaugereamingandextremegaugeprotection
•InnovativedrillingtoolsforhorizontalandERDwells

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In-houseCapabilities
Manufacturing
•Modernmanufacturingfacilityoperating24hoursperday
•APIQ1licensedforbothmanufacture,servicinganddesign
•ProductsmanufacturedinaccordancewithAPI7-1andNS-1.
•Supportingarangeofclientsoperatingaroundtheglobe
•CNCandmanualLathescapableofthreadingtubing,casing
anddrillpipeupto16inchesindiameter.
WeldingandHardFacing
•SpecialistAPIlicensedweldingfacility
•Fabricationofspecialistdrillingandfishingtools
•Applyvarietyofhard-facingHF3000,HF5000,HF6000
•Paradigmpremiuminsertsuse25%byvolumeofdiamond
•BrazingofPDCCutters,millingorreaminginserts

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HoleEnlargement
Single&DualStageHoleopeners

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SingleStageHoleOpener
•Designedforlargediametertopholedrilling
•Suitableforareaswherebouldersarelikely
•Runinconjunctionwithstandardrollercone-typebits
•Pilotbladesforimprovedstabilization
•Variabledirectionaldiffusednozzles.
•Hardfacingappliedtosaddles&backingplateforgaugeprotection
•Milledtoothcuttersavailablewithenhancedhardfacing

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DualStageHoleOpener(TheBeast)
•Forthemostdemandingoffshoredrillingenvironments
•Integralbodydesigntominimisewelding
•PilotbladesreplacedIntegralStabiliser
•Dualcuttingstructureenhancesstability
•Sixpointspacedholecontactforoptimumgaugeprotection
•Enhancedgaugeprotectionavailablewithdiamondbackedinserts
•Maragingsteelpinstoincreaseloadcapability

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SingleStageIBHoleOpener
•Mediumsizeholeopeners
•Suitableforopeningsmallerdiameterpilotholes
•Suitableinareaswherebouldersarelikely
•Forboreholessizedbetween12¼”and171/2”diameter
•Integralbodytominimisewelding.

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FixedBladedHoleOpener
•SmalltoMediumsizeholeopeners
•Suitableforopeningsmalldiameterpilotholes
•Forholesizeswhererollercutterarenolongerpractical
•Fullyretainedandinterchangeablecutterarms
•Uniqueandpatentedbladelocksystem
•PremiumPDCcuttingstructure
•Normallyappliedinforsizesbelow17½”diameter

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StabilisedDrillingReamer
Standard&BallDropActivation

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StabilisedDrillingReamer(UnderReamer)
•Designedforlargediameter&lowangleunderreaming
•Idealforunderreamingbelowtemplateguidesandconductorshoes
•Upto160%Under-reamingcapacity
•Integralstabilizedsectiontoimprovedrillingperformance
•Stablecuttingplatformduetoarm&hingepinconfiguration
•Weightassisttokeepcutterarmsopen
•Failsafe(springassist)closingmechanism
•Fieldinterchangeablecutterarms

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SDRFeatures/Points
Arobustbodymachinedfromsolid4145steel
forgingandAPIexternalconnectionsno
parallelthreadsinthestructuralpartofthe
tool.
TheSDRhasanintegralstabilisedsection
immediatelybelowtheunderreamingsection
tomaintainconcentricityandreducevibration,
anddoesnotrelyonstabilisersbelowthe
underreamer.
ActivatedbyBitPressureDropbut
canbemodifiedtosuitdrop-ball
activation
TheArmactuationdoesnotinvolvecams
underneaththeblades–iftheArmsarepulled
backagainstarestriction,theactivationforcecan
beovercomeandtheyareforcedtocloseintothe
Bodywhichpreventshanginguponthetool
Placementofnozzlesinthearmbaysensures
thattheyremainclearofdebriswhichcould
preventarmclosure.
Customdesignedcuttersmaximisediamondcoverage
attheleadcorneroftheCutterArms.TopqualityPDC
insertssourcedfromindustryrecognisedsuppliers.
CutterArmsarereplaceablewithoutbreakingdown
therestofthetool.Thedynamicsealsaredeployedin
theTopandBottomSubsallowingquickaccessfor
replacement.

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ExpandableDrillingReamer
MaximumUnderreaming

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ExpanableDrillingReamer
•Forhighangleandhorizontalwellunderreaming
•Singleactiondrillingreamerwithdropballactivation
•Forplannedunderreamingoperations
•Novelarmactivationmechanism
•Weightassisttokeepcutterarmsopen
•Assemblyweightsupportwithoutcollapsingarms
•Arcuatetracksproviderigidityofthearmstominimiseshockloading&vibration
•Fluid-jetcooledcuttingstructure
•CustomisedPDCcuttersizeifrequired
•Springassistandfailsafeclosingmechanism

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Features/Points
Robustconstruction–thetoolbodyis
machinedfromAISI4330steel(hightensile
strengthwithincreasedfatigueresistance).
Theexternalthreadsinthetoolareall
manufacturedtoAPIspecifications;nofine
threadsareusedinanystructuralpartofthe
tool.
TheEDRhasanintegralstabilisedsection
immediatelybelowtheunder-reamingsection
tomaintainconcentricityandreducevibration,
anddoesnotrelyonstabilisersbelowthe
under-reamer.
TheExpandableDrillingReamer(EDR)
employsathreebladedesignhydraulically
activatedbyadrop-balltoopenandream
thewellborewhiledrilling
Cutterarmsaresupportedonarcuatetracks,
capableofcarryingloadsfarinexcessofnormal
operatingloads.Thenatureofthearctrack
mechanismwillpreventthepossibilityofside-loads
pushingthearmsintothebodyinhighangleor
horizontalsectionswhichwouldcauseunder-
gaugesections.
Placementofnozzlesinthearmbaysensures
thatthecuttingstructureisjetcooledand
remainclearofdebriswhichcouldprevent
armclosure.TopqualityPDCinsertssourced
fromindustryrecognisedsuppliers.
Cutterarmsopenusinghydraulicsandarekeptopen
withset-downweight.Theopenedbladeswill
supportAssemblyweightwithoutcollapsingarms.
Bladeswillretractonretrieval,withfailsafe
mechanismpreventingbladesstuckopeninwell

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DiamondBackedDrillingTools
Whenthegoinggetstough

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DiamondBackedDrillingTools
ThediamondBackedDrillingtoolrangeprovidestheultimateprotectionin
abrasivedrillingconditions.Conventionalhardfacingmethodsofferlimitedlife
andthereforelimitedtimeingauge..
•Uniquediamondtechnology
•Ultimatewearprotection
•Extendedstabiliserlifeinharshformation
•Brazedinserts-noweakpoints
•Quickturnaroundmaintenance
•Idealforremotelocationswithnoredresscapability
•Saveonhighredress&DBRcosts
•Lesslateralvibrationextendsbit/BHAlife
•Idealforremovingrisksassociatedwithrollerreamers

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BladedDrillingReamer
•Alternativeforconventionalrollerreamer
•Nolimitedbybearinglifeorkrevlimits
•Extremegaugeprotection
•Idealforhardrockdrillingwithstringersorchertnodules
•Combinesreamingcapabilitywithlowtorquepointstabilization
•Lowcost&fastturnaroundmaintenance

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DiamondBackedReamerStab
•Ultimatestabilisergaugeprotection
•Combinespassivestabilisationwithbackreamingcapability
•Individualbrazedinsertsreplacestraditionalhardfacingmethods
•Lowcost&fastturnaroundmaintenance
•Idealforhardrockdrillingwithstringersorchertnodules

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DiamondBackedAtBitStabilisers
•Ultimategaugeprotectionatthebit
•Lesswear-lesslateralvibration
•Improvedbitlifeanddrillingperformance
•Canberetrofittedtoclientowninventory
•Availableinsteelandnon-magmaterials
•Custombuiltsubsavailable

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WellboreCleaningProducts
CuttingsBedAgitator
CasingCleaningTool
SubBasedEnhancedDrilllippe(EDP)

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CuttingsBedAgitator
•Enhancedholecleaning
•BasedonPDSEnhancedPerformanceDrillpipe
•Provencuttingsbedliftingcapability
•Increasedsizeofcuttingsatsurface(+14%)
•Canberackedbackaspartofastand
•Enhancedgaugeprotection
•Lowtorquecontactarea
•Fieldre-dressablediamondbackeddiscinserts
•NomeasuredincreaseinECD’s
•Reduce/eliminatewipertripsandbackreaming

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TorqueReduction
Today’s‘Modern’Technology

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TRSTorqueReductionSub
TorqueReductionSubsfeatures
•Reducingtorque
•Reducedcasingwear
•Protectingthedrillpipetooljoints
•Suitableforcasedandopenhole
•Innovativeandproprietarybearingtechnology
•Dampensdrillstringprecessionandvibration
•Designedforeaseofuseandremoteoperations
•Nowellsitesupportoron-siteinspectionrequired

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ParadigmHorizontalDrillingSystem
Tomorrow’s‘NEW’Technology
Anewholisticrangeofhorizontaldrillingtools

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HorizontalDrillPipe/SlimholeTRS
•Nextgenerationoftorquereductiontechnology
•Gamechangingslimeholedesign
•Idealforslimholedrillingorextendedreachwells
•TorquereductionwithvirtuallyzeroECDeffects
•ZeroECDallowingextendeduseofHDP/TRS
•Innovativeandpatentedmudlubricatedbearingtechnology
•Installedwithaproprietarycrimpingsystem
•Enhanceddrillstringprecessionandvibrationreduction

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TRSTorqueReductionSub–MkII
ThenextgenerationTorque&vibrationreduction(MkII)
BenefitsofMkIITRS
•Swagedbearingrings(nothreadedfixing,nohingebreaks)
•Slimprofile(virtuallyzeroECDeffectinslimhole)
•Innovativemudlubricatedelastomericbearings
•Multipleoffsetrollersprovidinggreaterbypassarea

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TractionDrillCollar(RotaryTractor)
•ThenextgenerationofERDweighttransmissiontechnology
•Idealwheredrillingislimitedbyabilitytotransferweighttothebit
•Improvesholecleaningdueagitationofthelowsidecuttingbeds
•Inrotationdevelopstractionforcesofbetween20-30%ofthecollarweight
•Robustdesignbasedonstandarddrillcollardimensions
•Nospecialhandlingequipmentordownholeconsiderationsarerequired
•Applicationsuitableforbothcasedandopenhole
•Designedforextremeextendedreachwells

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