January 2021, Vol. 248, No. 1

Features

Pipeline Integrity: History of Direct Assessment Process

By Joe Pikas, Corrosion Specialist, Technical Toolboxes   Direct assessment (DA) is a process through which a pipeline operator determines a pipeline’s integrity through integrating knowledge of the physical characteristics and operating history of a pipeline with the results of diagnostic testing.   The process is further validated by the physical examination of the pipeline, to verify that the interpretation of the diagnostic testing results matches the actual condition of the pipeline upon direct examination.   External corrosion direct assessment (ECDA), like most other processes, is not without limitations in its application. Depending on available information about the pipeline, and

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