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API TR PER15K Status

This document outlines the protocol for verifying and validating high pressure, high temperature (HPHT) equipment. It includes functional and technical design specifications, best practices, and guidance. The document also covers fit-for-service requirements, manufacturing process specifications, and addresses gaps in API specifications.

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API TR PER15K Status

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  1. API TR PER15K Status Impact on SC 6 Documents by Kenneth Young PER15K Status - 2/9/2010

  2. API TR PER15K • Protocol for Verification and Validation of HPHT Equipment • Addresses MMS 30 CFR 250.807 (NTL 2007-G07) for HPHT Equipment • HPHT Equipment: • Completion and Well Control Equipment • Pressure rating > 15,000 psi or temperature rating > 350°F • Pressures and temperatures at seafloor • Includes: • Functional Design Specification (User requirements) • Technical Design Specification (Mfg requirements) • Best Practices and Guidance (heart of document) PER15K Status - 2/9/2010

  3. Functional Design Specification • User should provide a Functional Design Specification • Environmental conditions • All loads throughout life cycle • Internal pressure • External pressure and loads • Thermal requirements • Any other loads • Life cycle requirements • Applicable industry standards PER15K Status - 2/9/2010

  4. Technical Design Specification • Manufacturer document Technical Design Specification • Confirms design meets the Function Design Specification • Should address: • Environmental conditions • Loads and characteristics • Life cycle requirements • System analysis loads • Industry standards • Design verification analysis • Design validation testing • Manufacturing process specification • Fit-for-service basis • After market activities PER15K Status - 2/9/2010

  5. Fit-for-Service Basis • The foregoing functional and technical design specifications define fit-for-service requirements. The User and Manufacturer should agree upon and document the basis for acceptance of the equipment. Acceptance may be based upon: • Proven E&P experience or technology, • Proven alternate industry experience or technology, • Advanced design development, verification, and validation requirements, or • A combination of the previous elements. PER15K Status - 2/9/2010

  6. Best Practices and Guidance • Material selection (still being developed) • Design verification analysis • Analysis demonstrates fit-for-service design • Analysis method applicable to failure mode for component • Elastic-plastic analysis recommended for heavy-wall vessels • Fatigue analysis for components exposed to fatigue loading • Design validation testing • Validates fit-for-service design • Tests requirements can be based upon output from FMEA process • Considers affects of combined loads from system analysis • Internal and external pressure • External applied loads • Thermal loads PER15K Status - 2/9/2010

  7. Best Practices and Guidance • Manufacturing Process Specifications (still being developed) • Procurement • Quality Assurance • Quality Control • NDE best practices PER15K Status - 2/9/2010

  8. Gaps – API Spec 6A • Design requirements for large bore flanges • Design requirements for ring gaskets for large bore flanges • Bolting criteria for HPHT flanges • Fatigue analysis criteria • Define HPHT temperature ratings • Address ASME design criteria for thick-walled (R/t ≤ 4) vessels • Address material toughness requirements • ASME Div 3 requires 50 ft-lb longitudinal, 30 ft-lb transverse • API 6A requires 15 ft-lb transverse PER15K Status - 2/9/2010

  9. SC 6 – Potential Affected Docs • Spec 6A – Wellhead and Christmas Tree Equipment • Spec 6A718 – Nickel Base Alloy 718 • Spec 6AV1 – Verification Test of Wellhead Surface Safety Valves and Underwater Safety Valves • Spec 6FA – Fire Test for Valves • Spec 6FB – Fire Test for End Connections • Spec 6FC – Fire Test for Valve w/ Automatic Backseats • Spec 6FD – Fire Test for Check Valves • RP 6HT – Heat Treatment and Testing of Large Cross Section and Critical Section Components • RP 14H – Installation, Maintenance, and Repair of Surface Safety Valves and Underwater Safety Valves PER15K Status - 2/9/2010

  10. SC 6 – Potential Affected Docs • TR 6AF – Capabilities of API Flanges under Combinations of Load • TR 6AF1 – Temperature Derating of API Flanges • TR 6AF2 – Capabilities of API Integral Flanges • TR 6AM – Material Toughness • TR 6F1 – Performance of API and ANSI End Connections in a Fire Test According to API Spec 6FA • TR 6F2 – Fire Resistance Improvements for API Flanges • TR 6J1 – Elastomer Life Estimation Testing Procedures • Bull 6J – Testing of Oilfield Elastomers (A tutorial) PER15K Status - 2/9/2010

  11. Timeline • Several working meetings since June 2009 • Roundtable discussion at 2010 Winter Conference • Complete initial draft of TR PER15K • April 2010 • Initial ballot • Send out – April 2010 • Close – June 2010 • Resolve comments PER15K Status - 2/9/2010

  12. PER15K Status - 2/9/2010

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