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Does the magnetization from pigs affect anything else for pipeline operation?

April 26, 2017affect magnetization operation Pigs pipeline

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Does the magnetization from pigs affect anything else for pipeline operation?

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After inspection with a magnetic inspection pig, the pipeline is usually left in a state of low level magnetization. This can affect welding if a section has to be cut out and replaced. In this case, procedures are available to overcome the problem.