1. OMS Project Tools and Services Overview

2. Tools and Services for Projects OMS - Pipe measurement specialists When every fraction of a millimetre makes a difference - 2 -

3. Stages where OMS tools and services can be used in projects First stage – Pipes End Dimensioning, Straightness, Squareness, Bevel, SCR Architecture, Counterbore Planning, Visualisation Software Second stage – Pre-welding activities Internal and External Hi-Lo, Dynamic Fit Up Management for Flowlines Third stage – Post-welding activities Weld Scanning, External Weld Flushing - 3 -

4. Stage 1. – Pipe End Dimensioning - 4 -

5. Stage 1. – Pipe End Dimensioning Why perform end dimensioning? Better fit up (Flowline, SCR or Fatigue String architecture) AUT Cal Block Sorting Counterbore planning More efficient welding Why use OMS? Fastest tools, most accurate, fundamentally better than calipers, traceable measurements, most experienced partner Where is pipe end dimensioning performed? Pipe Mill, Coating Plant, Dockside, Spoolbase, Pipelay Vessel - 5 -

6. Stage 1. Pipe Straightness Retro-reflector Target ‘Graticule’ Laser unit - 6 -

7. Stage 1. Pipe Straightness Why check straightness? Quantifying pipe bend and hooking Ensuring the double joints are straight Proving contract compliance Ensuring that spooled pipes are straightened correctly without wasting material by checking on deck Why use OMS tools? Fast, accurate, repeatable, traceable, easy to use When are pipes checked for straightness? Before and after welding and after spooling - 7 -

8. Digital Dial Gauge Stage 1. Pipe End Squareness - 8 -

9. Stage 1. Pipe End Squareness Why check end squareness? Avoidance of out of straight pipe joints Stress reduction for fatigue senstive pipes Higher speed welding as time is not wasted rotating pipes to obtain a zero gap Proof of contract compliance Why OMS tools? Fast, accurate, repeatable, traceable, easy to use When are pipe ends checked for squareness? Following the bevelling station - 9 -

10. Stage 1. Bevel Checking Land thickness, depth and angle - 10 -

11. Stage 1. Bevel Checking Why check bevel geometry? Ensures that bevel geometries are within specification Documentation of specification compliance Better welds due to consistent land depths, angles and land thicknesses Why Use OMS Tools? Fast, accurate, traceable, repeatable, lasting record When are bevels checked? Just after bevelling before the firing line - 11 -

12. Stage 1. SCR or Fatigue String Architecture - 12 -

13. Stage 1. Fatigue String Planning Why create a Fatigue String Architecture? Best possible fit up Counterboring is undesirable or impossible No loss of material Why OMS? Experience of many complex strings Tools and software When is Fatigue string design carried out? From pipe manufacture to after coating - 13 -

14. Stage 1. Counterbore Planning - 14 -

15. Stage 1. Counterbore Planning Why do Counterbore Planning? Counterboring is required to manage wall thickness A single counterbore size is not possible due to WT issues Improved management of welding process Why OMS? Experience managing complex multiple SCR projects When is counterbore planning carried out? At any stage between pipe manufacture and pipe yard - 15 -

16. Stage 2. – Pre-welding activitites ID Hi-Lo – Closed Gap ID Hi-Lo – Open Gap OD Hi-Lo Dynamic Fit up for Flowlines Fit up for SCR or Fatigue Sensitive String Visualisation of pipe end data - 16 -

17. Stage 2. ID Hi-Lo Closed Gap - 17 -

18. Stage 2. ID HiLo Closed Gap Why measure ID Closed Gap Hi-Lo? Longer fatigue life Less likelihood of a Hi-Lo problem related cut out Contract requirement Why use OMS tools? Faster, accurate, repeatable, traceable When are ID Hi-Lo’s measured ? Directly before welding - 18 -

19. Stage 2. ID Hi-Lo Open Gap - 19 -

20. Stage 2. ID HiLo Open Gap Why measure ID Hi-Lo? Longer fatigue life Less likelihood of a Hi-Lo problem related cut out Contract requirement Why use OMS tools? Faster, accurate, repeatable, traceable, lasting record When are ID Hi-Lo’s measured ? Directly before welding - 20 -

21. Stage 2. OD Hi-Lo Measurement Micrometer Head Magnetic Base Precision Sliding Rails OD HiLo Pipe 1 Pipe 2 - 21 -

22. Stage 2. OD HiLo Measurement Why measure OD Hi-Lo? Longer fatigue life Contract requirement Why OMS tool? Accurate, repeatable, faster, traceable When are OD Hi-Lo’s measured ? Directly before welding - 22 -

23. Stage 2. Dynamic Fit Up Planning Enter Pipe Numbers Rejected Pipe Rack Welding Stations and AUT etc Firing Line Ready rack Beveling shed OMS Software used here Unloading rack Get Fit up results Hi-Lo maps + Pass/Fail Loader - full Loader - empty Pipe Yard Pipe stacks contain measured pipes awaiting welding - 23 -

24. Stage 2. Dynamic Fit Up Planning for Flowlines Why fit up pipes in this way? The solution achieves the best possible fit up of pipes Philosophy: Measure + Visualisation Software = Best Fit-Up Achievable, Quicker and Easier Solution can be tailored to meet client needs Best fit up because actual pipe geometry is used to achieve solution Minimises logistics necessary to achieve best result OMS package includes operator training Why use OMS Proven system (saving time and money) and easy implementation When is the the OMS dynamic fit up scheme used? Near to the firing line or near to the pipe load out - 24 -

25. Stage 2. Fit Up for SCR or Fatigue Sensitive String - 25 -

26. Stage 2. Fit Up Visualisation OD HiLo graph at current rotation. These buttons “nudge” the rotation. ID HiLo graph at current rotation. Fixed and Free end pipe IDs along with there diameters. Buttons to automatically select the Best ID, OD or combined fitup rotation. Click here to Return to the pipe end selection screen. Fitup status indicators. See further documentation. Current rotation from datum Max ID and OD HiLos at the current rotation along with OK/Fail indicators.

27. Stage 2. Fit up Visualisation Why Visualise Pipe End Data? View measurement data for any pipe end Pipe statistics e.g. Average, Min or Max, Internal and Outer Diameter, Wall Thickness View simulated fit up of pipes Best Fit up pipes in spoolbase, on JLay/SLay vessel Best ID only fit up, or ID and OD fit up Why OMS? Proven tools, software and services - 27 -

28. Stage 3. Internal Weld Scanning - 28 -

29. Stage 3. Internal Weld Scanning Why perform internal weld scanning? Elimination of weld defects Reduction in cut outs at AUT station Contract requirement Why OMS Tool? Fast, extremely high quality images, accurate, recordable data When to inspect internal welds? After welding of DJ, in firing-line after hot-pass, in JLay tower, at stalk tie-in - 29 -

30. Stage 3. Weld Flushing Measure the depth to which the weld is ground off Gauge mounted on movable carriage to measure across the weld zone Magnetic mount to pipe - 30 -

31. Stage 3. Weld Flushing Why measure weld cap height and flushing? Reporting to client Stronger weld Contract compliance Why use OMS tool? Accurate direct measurements, traceable, repeatable When to measure weld cap flushing? After grinding before AUT inspection - 31 -

32. Summary OMS tools and services can be used at three stages: On 12 metre pipes In the process of preparing for welding After welding - 32 -

33. Contact Details UK Office Tel: +44 (0) 1279 656038 or +44 7929 777286 Email: hugh.davies@omsmeasure.com 11 Twyford Business Centre, London Road, Bishop’s Stortford, Hertfordshire, CM23 3YT, UK US Office Tel: +1 832 230 0153 or +1 713 594 2515 Email: lauren.lionberger@omsmeasure.com 17421 Village Green Drive Business Centre, Houston, Texas, USA Website: www.omsmeasure.com - 33 -