In integrity management programs, crack-like indications am sometimes detected on pipelines by means of hydrostatic testing, direct examination, or in-line inspection. Many of these are non-injurious mill defects while some might undergo time dependent growth. Mechanism for growth include fatigue, corrosion fatigue, and stress corrosion cracking. The cyclic pressure fluctuations typically present on operating pipelines affect all three mechanisms of crack growth. This paper describes several methods for assessing the remaining life of pipeline segments containing growing defects.
- Pipeline Division
Analysis of Crack-Like Flaws and Relative Ranking of Pipeline Segments for Prioritizing Mitigation Efforts
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Beavers, JA, Maier, CJ, Jaske, CE, & Bubenik, TA. "Analysis of Crack-Like Flaws and Relative Ranking of Pipeline Segments for Prioritizing Mitigation Efforts." Proceedings of the 2006 International Pipeline Conference. Volume 2: Integrity Management; Poster Session; Student Paper Competition. Calgary, Alberta, Canada. September 25–29, 2006. pp. 325-335. ASME. https://doi.org/10.1115/IPC2006-10181
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