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Project Number 339
Date of Summary March 25, 2004
Subject Modernization of Tubular Collapse Performance Properties
Performing Activity Stress Engineering Services, Inc.
Principal Investigator Brett Chandler
Contracting Agency Minerals Management Service
Completion Completed
Description The purpose of the project was to improve the accuracy of casing collapse performance properties. This improvement may allow an opportunity to substantially reduce tubular costs, because the margins of actual collapse performance versus API ratings have been found to be as high as 30-40%. The JIP conducted physical testing on industry-wide sampling of API and proprietary casing grades and reviewed mill production techniques for both API and proprietary grades of casing. Data was analyzed so that participating operators may be able to reduce tubular costs. Database was provided to API and ISO for future standardization activity. The JIP was completed in October 2002.
Progress

The project is completed.
Reports
AA (110 pages) PDF Asbill, W.T. Livesay, Ronald. Crabtree, Stephen. Modernization of Tubular Collapse Performance Properties. October 2002.
AB (10 pages) PDF Southwest Research Institute. Appendix A: Collapse Tests of Pipe Casing and Tubing. February 2000.
AC1 (5 pages) Appendix B: Piper. (Excel)
AC2 (12 pages) Appendix B: Collapse Data. (Excel)
AD (52 pages) PDF Appendix C: SS Pictures
 

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