1. 1 Design Materials QC Validation HPHT Approach Why Needed? HPHT & Critical Applications – Defined by CFR for Surface Equipment as:  SITP at Wellhead of >15M  Flowing Temperature at Wellhead ≥ 350ºF Code of Federal Regulations: (30 CFR 250.807) – Application to Drill / Modify (APD/APM) or Deepwater Operations Plan (DWOP) must include:  A discussion of “related equipment’s” Design validation and functional test procedures  A discussion of why the procedures ensure that the “related equipment” is fit-for –service in the HPHT environment – Related equipment-  Wellheads, tubing heads, tubulars, packers, connections, seals, production trees, chokes, well control equipment and other equipment

2. SC6 Proven HPHT Experience Base? Starting Today’s Process with a Level of Confidence in our Legacy! –≈ 30 years of Surface Equipment HPHT Applications –1972 - API 6A 9 th edition expanded to include 20000 PSI equipment –1983 - API 6AB Specification released for 30000 PSI Flanged Wellhead equipment –1991 - API (Bulletin 6AF1) 1 st edition Temperature Derating Flanges under Combined Loads (Including 20000 PSI flanges) 2 “HPHT / Enhanced PR3 Validation” What Other Sub Committees Are Doing: – SC17 (Subsea Wellhead and Christmas Tree equipment)- Validation testing varies, but should include results of FMECA to plan a “Reliability” Based validation test. – SC19 (Packers and Bridge Plugs)- Requires FMEA or similar to plan validation testing and requires more stringent validation testing regardless – SC19 (14A SCSSV equipment)- Requires FMEA or similar to plan validation testing and requires more stringent validation testing regardless

3. Task Team Approach Equipment Focus “PR3 “Standard” Manual Gate Valve including Seals Actuated Gate Valves including seals Mandrel Hangers, Isolation seals Process to be Worked Define Life Cycle Expectations Develop FMECA Generic Worst Case Establish a Reliability Goal Develop Test Plans 3 HPHT / Enhanced PR3 Validation” The Team? End User (s) Industry Reliability Experts Test Facility Engineers OEM Product Specialists 17D Specialist Consultants When? 21 st rev. or Addendum to 21 st ASAP First Call for Volunteers? david.comeaux@bp.com