Blue Ridge Mountain Resources, Inc., an independent oil and gas company, explores for, exploits, acquires, develops, and produces natural gas and natural gas liquid (NGL) resources in the United States. The company operates through the Upstream, Midstream, and Oilfield Services segments. The Upstream segment explores for and produces crude oil and natural gas in the Marcellus Shale in West Virginia and Ohio, and the Utica Shale in southeastern Ohio and western West Virginia. The Midstream segment consists primarily of Eureka Midstream Holdings, which markets natural gas and operates a network of pipelines and compression stations that gather natural gas and NGLs in the United States for transportation to market. The Oilfield Services segment provides drilling services to oil and natural gas exploration and production companies. As of December 31, 2015, it had approximately 239,051 million cubic feet equivalent of estimated proved reserves. Blue Ridge Mountain Resources, Inc. was formerly known as Magnum Hunter Resources Corporation. The company was incorporated in 1997 and is based in Irving, Texas.