Stephen C. Hurley

Brigham Exploration Co. is an independent exploration, development and production company. The company engages in the exploration and development of onshore crude oil and natural gas reserves. Its exploration and production activities are performed primarily in the onshore Texas Gulf Coast, the Anadarko Basin of northwest Oklahoma, the Texas Panhandle and west Texas. Brigham Exploration was founded by Ben M. Brigham in 1990 and is headquartered in Austin, TX.

Hunt Oil Co. explores, produces, refines, markets and transports oil and gas. Its business areas include energy, real estate, ranching and infrastructure. The company was founded by Haroldson Lafayette Hunt Jr. in 1934 and is headquartered in Dallas, TX.

Part of Hunt Oil Co., Inc., Chieftain International, Inc. explores for, develops and produces oil. The company is based in Edmonton, Canada. Chieftain International was acquired by Hunt Oil Co., Inc. on August 03, 2001 for $466.92 million.

Murphy Exploration & Production Co. USA provides oil and gas exploration services. It offers production optimization, drilling evaluation, fluid and oilfield drilling software & consulting services. The company is headquartered in Houston, TX.

Blue Ridge Mountain Resources, Inc. engaged in the exploration for and the exploitation, acquisition and development of crude oil, natural gas and natural gas liquids resources in the United States and Canada. It operated through the following segments: Upstream, Midstream, and Oilfield Services. The Upstream segment refers to the exploration and production of crude oil and natural gas within the boundaries of United States and Canada. 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 Natural gas liquids in the United States for transportation to market. The Oilfield Services segment provided drilling services to oil and natural gas exploration and production companies. The company was founded on June 4, 1997 and was headquartered in Irving, TX.

Brigham Resources LLC provides oil and gas services. The firm focuses on using technologies to identify and develop unconventional liquids rich resource plays. The company was founded by Ben M. Brigham and Eugene B. Shepherd in 2012 and is headquartered in Austin, TX.

Chisholm Energy Holdings LLC explores petroleum properties. The company is headquartered in Fort Worth, TX.