A Baker Hughes operator conducts a wireline survey on a Chesapeake Energy natural gas rig drilling in the North Texas Barnett Shale bed rock deposit in Burleson, Texas. Bloomberg News
A Baker Hughes operator conducts a wireline survey on a Chesapeake Energy natural gas rig drilling in the North Texas Barnett Shale bed rock deposit in Burleson, Texas. Bloomberg News

Baker Hughes to pay $550 million for minority stake in Adnoc's drilling unit