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API 90 : 2006 : R2012

Current
Current

The latest, up-to-date edition.

ANNULAR CASING PRESSURE MANAGEMENT FOR OFFSHORE WELLS
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-20-2012

1 GENERAL
   1.1 Scope
   1.2 Organization
   1.3 Definitions
   1.4 Referenced Documents
2 SOURCE OF PRESSURE
   2.1 Thermally Induced Pressure
   2.2 Operator-Imposed Pressure
   2.3 Sustained Casing Pressure (SCP)
   2.4 Monitoring
   2.5 Diagnostic Testing
3 ANNULAR CASING PRESSURE MANAGEMENT PROGRAM
4 MAXIMUM ALLOWABLE WELLHEAD OPERATING PRESSURE (MAWOP)
5 FIXED PLATFORM WELLS
   5.1 System Overview
   5.2 Methods and Frequency of Monitoring Annular Casing Pressure
   5.3 Detection of Pressure
   5.4 Annular Casing Pressure Evaluation Tests
6 SUBSEA WELLS
   6.1 System Overview
   6.2 Design Considerations
   6.3 Methods and Frequency of Monitoring Annular Casing Pressure
   6.4 Detection of Pressure
   6.5 Annular Casing Pressure Evaluation Tests
7 HYBRID WELLS
   7.1 System Overview
   7.2 Design Considerations
   7.3 Methods and Frequency of Monitoring Annular Casing and
        Production Riser Pressure
   7.4 Detection of Pressure
   7.5 Annular Pressure Evaluation Tests
8 MUDLINE SUSPENSION WELLS
   8.1 System Overview
   8.2 Design Considerations
   8.3 Monitoring, Pressure Detection, Annular Pressure
        Evaluation Testing and Analysis
9 DOCUMENTATION
   9.1 Annular Pressure Management Plan
   9.2 Monitoring Records
   9.3 Diagnostic Test Records
   9.4 MAWOP
10 RISK ANALYSIS CONSIDERATIONS
   10.1 Risk Assessment Techniques
   10.2 Hazard Scenarios
   10.3 Consequence Considerations
   10.4 Risk References
11 APPENDIX A - ANNULAR PRESSURE MANAGEMENT FLOWCHARTS
   AND EXAMPLES
   11.1 Fixed Platform Wells
   11.2 Subsea Well
   11.3 Hybrid Well
12 APPENDIX B - EXAMPLE MAWOP CALCULATIONS
   12.1 Definition:
   12.2 Fixed Platform Wells: MAWOP
   12.3 Subsea Wells: MAWOP
   12.4 Hybrid Wells: MAWOP
   12.5 Mudline Suspension Wells
13 APPENDIX C - WELLBORE SKETCHES
   13.1 Fixed Platform Wells
   13.2 Subsea Wells
   13.3 Hybrid Wells
   13.4 Mudline Suspension Wells
14 APPENDIX D - PRESSURE CONTAINMENT AND LEAK PATH
   CONSIDERATIONS IN WELL DESIGN
   14.1 Casing and Cement

Covers monitoring, diagnostic testing, the establishment of a maximum allowable wellhead operating pressure (MAWOP) and documentation of annular casing pressure for the various types of wells that occur offshore.

DocumentType
Revision
Pages
96
ProductNote
Reconfirmed 2012 This product is unavailable in Cuba, Iran, North Korea, Syria
PublisherName
American Petroleum Institute
Status
Current
Supersedes

ISO 10400:1993 Petroleum and natural gas industries — Formulae and calculation for casing, tubing, drill pipe and line pipe properties
API 5CT : 2012 CASING AND TUBING
API 65 : 2002 CEMENTING SHALLOW WATER FLOW ZONES IN DEEPWATER WELLS
ISO 13628-4:2010 Petroleum and natural gas industries — Design and operation of subsea production systems — Part 4: Subsea wellhead and tree equipment
API 5C3 : 1994 BULLETIN ON FORMULAS AND CALCULATIONS FOR CASING, TUBING, DRILL PIPE AND LINE PIPE PROPERTIES
API 17D : 2011 DESIGN AND OPERATION OF SUBSEA PRODUCTION SYSTEMS - SUBSEA WELLHEAD AND TREE EQUIPMENT
ISO 11960:2014 Petroleum and natural gas industries Steel pipes for use as casing or tubing for wells

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