Analytical and experimental methods exist to help in the determination of critical strain levels for plain dents. Government regulations and industry standards require ranking the severity of dents reported by ILI tools for excavation primarily based on depth. These requirements also allow the use of engineering critical analysis methods to demonstrate that critical strain levels are not exceeded. This paper discusses the use of a laser mapping tool in conjunction with a modified method for determining static strains for prioritization and remediation of plain dents. The development of a correlation factor based on the examination of 6 dents and their respective ILI reports is presented and discussed. The application of the severity correlation factor to the remaining dents reported in the pipe section for their prioritization for remediation is also presented.
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2010 8th International Pipeline Conference
September 27–October 1, 2010
Calgary, Alberta, Canada
Conference Sponsors:
- International Petroleum Technology Institute and the Pipeline Division
ISBN:
978-0-7918-4420-5
PROCEEDINGS PAPER
An Approach for Evaluating and Prioritizing Dents for Remediation as Reported by ILI Tools Available to Purchase
Udayasankar Arumugam,
Udayasankar Arumugam
Blade Energy Partners, Houston, TX
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David Z. Kendrick,
David Z. Kendrick
Williams-Northwest Pipeline, Salt Lake City, UT
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Sergio Limo´n-Tapia,
Sergio Limo´n-Tapia
Williams-Northwest Pipeline, Salt Lake City, UT
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Ming Gao
Ming Gao
Blade Energy Partners, Houston, TX
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Udayasankar Arumugam
Blade Energy Partners, Houston, TX
David Z. Kendrick
Williams-Northwest Pipeline, Salt Lake City, UT
Sergio Limo´n-Tapia
Williams-Northwest Pipeline, Salt Lake City, UT
Ming Gao
Blade Energy Partners, Houston, TX
Paper No:
IPC2010-31401, pp. 605-614; 10 pages
Published Online:
April 4, 2011
Citation
Arumugam, U, Kendrick, DZ, Limo´n-Tapia, S, & Gao, M. "An Approach for Evaluating and Prioritizing Dents for Remediation as Reported by ILI Tools." Proceedings of the 2010 8th International Pipeline Conference. 2010 8th International Pipeline Conference, Volume 1. Calgary, Alberta, Canada. September 27–October 1, 2010. pp. 605-614. ASME. https://doi.org/10.1115/IPC2010-31401
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