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Pipeline Failures Resulting From Interacting Integrity Threats

[+] Author Affiliations
Gregory T. Quickel, John A. Beavers

Det Norske Veritas (U.S.A), Inc., Dublin, OH

Paper No. IPC2016-64436, pp. V001T03A049; 15 pages
doi:10.1115/IPC2016-64436
From:
  • 2016 11th International Pipeline Conference
  • Volume 1: Pipelines and Facilities Integrity
  • Calgary, Alberta, Canada, September 26–30, 2016
  • Conference Sponsors: Pipeline Division
  • ISBN: 978-0-7918-5025-1
  • Copyright © 2016 by ASME

abstract

All pipelines contain manufacturing and construction anomalies that typically are stable with time and are not generally considered to be integrity threats. These include laminations, seam weld anomalies, girth weld anomalies, and shallow dents. There also are time-dependent integrity threats to buried natural gas and petroleum pipelines. These include external and internal corrosion, fatigue, corrosion fatigue, stress corrosion cracking (SCC), and hydrogen embrittlement. Unexpected failures can occur when the time dependent integrity threats are coupled with these stable anomalies. This paper describes several of these interactions.

Copyright © 2016 by ASME
Topics: Pipelines , Failure

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