Enervest Ltd. announced on Tuesday that it is buying oil and natural gas properties from Talon Oil & Gas for $967 million. The properties are located in northern Texas’s Barnett Shale, a massive bedrock that is the one of the country’s largest sources of natural gas.

Houston-based Enervest acquires and operates oil and gas fields for institutional investors. The deal is the company’s first foray into the Barnett Shale.