February 2020, Vol. 247, No. 2


Evolution of Ultrasonic Inline Inspection

By Herbert Willems, Thomas Meinzer and Gerhard Kopp, NDT Global, Stutensee, Germany Inline inspection (ILI) by means of intelligent pigging has become a standard application to ensure the safe operation of pipelines worldwide. Ultrasonic inspection tools have proven successful for crack and metal loss inspections of liquid pipelines.  The progress regarding inspection tools over the last three decades is tightly connected to the progress of electronics and data processing during this time period. By timely implementation of the available state-of-the-art technology in the field of data recording, data processing and data storage, the performance of ILI tools has continuously improved.

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