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All detailed engineering, manufacturing and testing of valves, are accordance with the project
Documents, Specifications, Standards, Codes, Regulations, and its amendments, etc.
All components of a wellhead and related equipment from the top of the outermost casing string (the casing bowl connection) up to but excluding the flow-line valve. For purposes of this publication, this includes both Wellhead Components and Christmas Tree Equipment as defined by API Specification 6A (current 21st version).
1. ALBERTA OIL AND GAS CONSERVATION REGULATIONS
• Section 6.100 Surface Casing Vent requirement
• Section 6.130 Capability to measure surface pressures and to collect samples
• Section 7.050 Requirements for wells with production exceeding 5% H2S
• Section 8.060 Shut down devices for wells close to bodies of water or streams
2. ALBERTA RECOMMENDED PRACTICES (ARP’S)
• Volume 2, ARP 2.1 Completing and Servicing Critical Sour Wells – Wellheads
3. INDUSTRY RECOMMENDED PRACTICES (IRP’S)
• Volume 3, IRP 3.3.9 Heavy Oil – Wellhead Design
4. EUB Interim Directives (ID’S)
• ID 90-1 Completion and Servicing of Sour Wells
• ID 90-4 Suspension Guidelines for Inactive Wells
5. OCCUPATIONAL HEALTH & SAFETY
• Bulletin ASB-24 Over-Pressuring Wellhead Components
6. API SPECIFICATIONS
• Specification 6A Specification for Wellhead and Christmas Tree Equipment
7. ASME STANDARDS
• Section IX ASME Boiler and Pressure Vessel Code
• Section IX Qualification Standard for Welding and Brazing Procedures, Welders, Brazers, Welding and brazing operators
8. NACE STANDARDS
• Standard MR-01-75 Sulfide Stress Cracking Resistant Metallic Materials for Oilfield Equipment
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