Richard O. Cottle

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.

Nautilus Marine Services Plc engages in the exploration and development of petroleum. It operates through the following segments: Offshore, Oil and Gas, and Corporate. The Offshore segment offers offshore services on investments and operations located in the Gulf of Mexico. The Oil and Gas segment covers the Bolivar and Bocachico Contracts in the Magdalena Valley. The Corporate segment handles the Group's corporate overhead and investing activities not located in other segments. The company was founded on November 28, 2001 and is headquartered in London, the United Kingdom.

P.O. & G. Resources LP explores oil and gas assets. The company was founded by Steven A. Pfeifer in 1999 and is headquartered in Houston, TX.