A significant amount of research and development has been carried out on the mechanism of the stress corrosion cracking of underground pipelines. This paper describes the results of a study, co-funded by PRCI, the US DOT, and pipelines companies, to bring together the results of these various studies in the form of a set of guidelines that will assist companies in identifying the most likely SCC locations on their systems and in predicting how frequently inspection or other mitigation is required. The guidelines have been developed along mechanistic lines, and are divided into four “steps” representing: susceptibility to SCC, crack initiation, early-stage growth and dormancy, and crack growth to failure. For each step, a series of Research Guidelines has been derived from the results of individual research papers or studies. These Research Guidelines may or may not be easily validated against field data. The SCC Guidelines were then developed based on one or more Research Guidelines. Wherever possible, the SCC Guidelines have been validated against field data, but in some cases currently un-testable SCC Guidelines were defined because they offer a potentially unique opportunity to identify where and when SCC might occur.
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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
Guidance for Selecting SCC Direct Assessment Locations and Estimation of Re-Inspection Intervals Available to Purchase
Fraser King,
Fraser King
Integrity Corrosion Consulting Ltd., Nanaimo, BC, Canada
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Mark Piazza,
Mark Piazza
Pipeline Research Council International, Falls Church, VA
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Robert Worthingham
Robert Worthingham
TransCanada Pipelines Ltd., Calgary, AB, Canada
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Fraser King
Integrity Corrosion Consulting Ltd., Nanaimo, BC, Canada
Mark Piazza
Pipeline Research Council International, Falls Church, VA
Robert Worthingham
TransCanada Pipelines Ltd., Calgary, AB, Canada
Paper No:
IPC2010-31167, pp. 297-306; 10 pages
Published Online:
April 4, 2011
Citation
King, F, Piazza, M, & Worthingham, R. "Guidance for Selecting SCC Direct Assessment Locations and Estimation of Re-Inspection Intervals." Proceedings of the 2010 8th International Pipeline Conference. 2010 8th International Pipeline Conference, Volume 1. Calgary, Alberta, Canada. September 27–October 1, 2010. pp. 297-306. ASME. https://doi.org/10.1115/IPC2010-31167
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