MidstreamUpstreamU.S. Shale gas on sight of Chesapeake; buys rival Vine EnergyeditorAugust 12, 2021August 12, 2021 by editorAugust 12, 2021August 12, 20210354 U.S. shale gas is on sight of Oklahoma-based company Chesapeak energy, as it has purchased Louisiana natural gas rival Vine Energy Inc, for $615 million;...