Hobart A. Smith

HKN, Inc. operated as the development and exploration of oil and gas properties. It was operated through its subsidiary, BriteWater International, Inc., which owned oilfield emulsion technology that purifies oilfield emulsions by breaking and separating the emulsions into oil, water, and solids. The company was founded in 1973 and it was headquartered in Southlake, TX.

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.

Smith International, Inc. provides premium products and services used for the drilling, completion and production phases of oil and natural gas development activities. It has three operating divisions, namely M-I SWACO, Smith Oilfield and Distribution. Company was founded in 1902 and is headquartered in Houston, TX.

Stallion Oilfield Services, Inc. provides drill-site products and services including accommodation units, surface equipment and solids-control services for oil and gas exploration companies. It delivers products and services in the South Texas, Gulf Coast, Ark-La-Tex, North Texas and Permian Basin, Mid-Continent, Rocky Mountain and Appalachian Basin regions as well as to the global offshore industry. The company was founded in 2002 and is headquartered in Huston, TX.