November 2012, Vol. 239 No. 11


Recent Innovations In Seam Weld Integrity Assessment

Governmental bodies are paying particular attention to seam welded pipes because several prominent releases, including the PG&E San Bruno, CA explosion, occurred at longitudinal seams. There was much discussion during 2011 of the seam weld issue by various parties, including state and local government agencies, pipeline operators, industry organizations and consultants. Some have advocated for a large influx of research funding to address the perceived gaps in technology. However, in a number of cases the necessary technology already exists, so further R&D might result in reinventing the wheel. For example, the pipeline industry relies on flaw assessment methods that

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