P&GJ Staff Report
Zubin
Sergey Zubin, chief engineer of Transneft Diascan, discusses the importance of detecting “combined flaws,” or those that occur in close proximity on the pipeline, with Pipeline & Gas Journal.
His company provides research and development services, as well transporting crude oil and oil products.
P&GJ: What are combined flaws?
Zubin: Combined flaws are combinations of separate discrepancies that do not meet the standard requirements of the wall, geometric shapes of the pipe and welded seams on a limited part of the pipeline. According to the regulatory documentation of PJSC Transneft, combined defects are t
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