Before a North Dakota wheat farmer discovered an oil spill on his land on Sept. 29, the owner of the pipeline had used a high-tech device to detect problems on the line. San Antonio-based Tesoro ...

Baker Hughes has acquired Cornerstone Pipeline Inspection Group, a privately held company that owns a fleet of so-called "smart pigs" for doing pipeline inspections. In this case, the pigs are not ...

Last year Kirkland, Wash.-based National Energy Systems Company (NESCO), operator of the gas-fired Sumas 1 cogeneration plant in Whatcom County, Wash., conducted an extremely thorough examination of ...

A few weeks ago British Petroleum, administrator and partial owner of Alaska’s Prudhoe Bay oil field, announced that recent tests had revealed corrosion in the pipeline system and shut down production ...

They may not say "oink" or eat from a trough, but Pacific Gas and Electric Co. officials hope the company's "Smart Pig" pipe inspections will help save their bacon. A robotic "Smart Pig," made and ...