TC Energy’s 1,412-mile (2,272-km) Northern Border Pipeline Company (NBPL) connects natural gas reserves in the Western Canada Sedimentary Basin with consumers in the Midwestern U.S. as well as receives and transports U.S.-produced natural gas.

"We do in-line inspections periodically and it gives us an overall health of the pipeline,” John Sadler, Manager of In-line Inspection Canada at TC Energy.