A full-scale test program was conducted for BP America, Inc. to evaluate the performance of pipe material selected for use in high pressure, high temperature (HPHT) riser applications. Full length ultrasonic (FLUT) wall mapping was then used to select samples, and burst tests were performed at pressures exceeding 40,000 psi. The tests’ results clearly demonstrated the accuracy of the capped end burst pressures predicted by API RP 1111 as demonstrated by the low standard deviation of experimental burst pressures. The test program validated the strain-based design methodology embodied in API RP 1111, especially the empirically-based design methodology presented in Appendix B of API RP 1111. This paper presents details on the completed program and how the industry can use the insights gained in completing this study to establish design pressures that more fully utilize material strengths for thick-wall riser pipe materials while maintaining conservative factors of safety. A performance and reliability-based design procedure based on FLUT wall mapping has been proposed and verified in this study; the use of this design procedure can improve true reliability by ensuring a better quality riser product.
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ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering
June 19–24, 2011
Rotterdam, The Netherlands
Conference Sponsors:
- Ocean, Offshore and Arctic Engineering Division
ISBN:
978-0-7918-4436-6
PROCEEDINGS PAPER
Limit State Design Based on Experimental Methods for High Pressure, High Temperature Riser and Pipeline Design
Chris Alexander,
Chris Alexander
Stress Engineering Services, Inc., Houston, TX
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Ron Livesay
Ron Livesay
Hecate Software, Inc., Fort Worth, TX
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Roy Shilling
BP Americas, Inc., Houston, TX
Chris Alexander
Stress Engineering Services, Inc., Houston, TX
Ron Livesay
Hecate Software, Inc., Fort Worth, TX
Paper No:
OMAE2011-49424, pp. 367-379; 13 pages
Published Online:
October 31, 2011
Citation
Shilling, R, Alexander, C, & Livesay, R. "Limit State Design Based on Experimental Methods for High Pressure, High Temperature Riser and Pipeline Design." Proceedings of the ASME 2011 30th International Conference on Ocean, Offshore and Arctic Engineering. Volume 4: Pipeline and Riser Technology. Rotterdam, The Netherlands. June 19–24, 2011. pp. 367-379. ASME. https://doi.org/10.1115/OMAE2011-49424
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