The maintenance and integrity of pipeline networks are critical to global energy infrastructure. Pipeline inspection and pigging operations employ specialised devices – commonly known as PIGs ...

TransCanada Corp. says it will run an inspection device through its Keystone oil pipeline to make sure there aren’t segments of pipe with similar characteristics to a section that ruptured in South ...

The line’s structural integrity could be assessed using pipeline inspection gauges, or “pigs,” which are cleaning devices— smart pigs have sensors—that are inserted into an oversized section of pipe, ...

SAN JOSE — After disclosure that the aging transmission pipeline that exploded in San Bruno could not be inspected with the most advanced technology — robots called “smart pigs” — Pacific Gas & ...

Near the six-inch cavity in the now-infamous Plains All American pipeline near Refugio State Beach, the wall thickness of the pipe measured a gossamer 0.0625 inches, according to a document released ...