Russell Parker

Chief Oil & Gas LLC engages in the exploration, development and production of oil and natural gas reserves. It also constructs and operates pipelines to deliver natural gas from wellheads to interstate and intrastate pipelines that redeliver to industrial end users and consumers. The company was founded by Trevor Rees-Jones 1994 and is headquartered in Dallas, TX.

Hilcorp Energy Co. operates as a oil and natural gas exploration and production company. Its operating areas include the Gulf coast of Texas and Louisiana, the Northeast United States, and Alaska's Cook Inlet and North Slope. The company was founded by Jeffery D. Hildebrand in 1989 and is headquartered in Houston, TX.

Phoenix Natural Resources LLC engages in exploitation and development of oil and gas fields. It operates as a oil and gas company that specializes in the acquisition and development of oil and natural gas assets in North America. The company was founded by Russell Parker, Jim Mooney, Ray Ambrose, Chad England and Mark Hargis and is headquartered in Houston, TX.

EP Energy Corp. engages in the acquisition and development of unconventional onshore oil and natural gas properties. It focuses on the development of drilling inventory located in the following areas: the Eagle Ford Shale in South Texas, Northeastern Utah in the Uinta basin, and the Permian basin in West Texas. The company was founded on August 30, 2013 and is headquartered in Houston, TX.

Phoenix Natural Resources Holdings LLC engages in oil and gas exploration. The company is headquartered in Houston, TX.

EP Energy LLC engages in the investment in the producing assets focused on the development of drilling inventory area. Its areas include Eagle Ford Shale in South Texas, Northeastern Utah in the Uinta basin, and the Permian basin in West Texas. This areas produces and distributes oil and natural gas. The company is headquartered in Houston, TX.

Callon Petroleum Co. engages in the exploration, development, acquisition, and production of oil and natural gas properties in the United States. It focuses on unconventional oil and natural gas reserves in the Permian Basin. The company was founded by Sim C. Callon and John S. Callon in 1950 and is headquartered in Houston, TX.