Diversified Energy Co. PLC (NYSE:DEC) said it will buy privately held Canvas Energy in a 550milliondealthatexpandsitsfootprintinOklahoma.TheacquisitionincludesproducingwellsandundevelopedacreageinMajor,Kingfisher,andCanadiancounties.TheBirmingham,Alabama−basedcompanysaidthepurchasewillliftproductionby13690 million. ...