HOUSTON--(BUSINESS WIRE)--Chevron U.S.A. Inc., a subsidiary of Chevron Corporation (NYSE: CVX), announced today the acquisition of two leasehold acreage positions. The first from TerraVolta Resources, whose investor is an affiliate of The Energy & Minerals Group (EMG), and the second from East Texas Natural Resources (ETNR) LLC. The estimated leasehold position includes ~125,000 net acres and is situated across regions where the Smackover Formation is present, specifically spanning Northeas