August 2013, Vol. 240 No. 8

Features

Commercial Robotic Inspection Solution For Unpiggable Pipelines

A self-propelled inline inspection tool has been commercially used to inspect oil and gas lines. Surveyor, a robotic tool provided by GE’s Industrial Solutions, has been used to inspect more than 35 cased crossings or terminal tank lines. The benefit of using this tool has been its capability to quantify metal loss both internal and external and the relative ease to insert and retrieve the tool into the pipeline, thereby foregoing pipe modifications for traditional smart pigs or time required for hydrotesting. Surveyor can enter and exit a pipe from the same location, traverse a relatively complex piping configuration and discriminate areas of metal loss. It is suited to i

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