Exxon's shale output per well slips as total production rises -report
By Jennifer HillerHOUSTON, June 9 (Reuters) - Exxon Mobil Corp's oil wells in part of a marquee U.S. shale field generated fewer barrels per well as it...
By Jennifer HillerHOUSTON, June 9 (Reuters) - Exxon Mobil Corp's oil wells in part of a marquee U.S. shale field generated fewer barrels per well as it...