Michael M. Cone

Part of Patterson-UTI Energy, Inc., TMBR Sharp Drilling, Inc. is a company that contracts domestic onshore drilling of oil and gas wells. The company is based in Midland, TX. The CEO of the company is Thomas C. Brown. TMBR Sharp Drilling was acquired by Patterson-UTI Energy, Inc. on February 12, 2004 for $90 million.

Tri-C Resources LLC provides oil and gas exploration services. It engages in the exploration, development, and acquisition of domestic and foreign energy properties. The company was founded by Michael M. Cone, Michael Scott C one, and John U. Clinch in June 1985 and is headquartered in Houston, TX.

Cliffs Drilling Co. provides drilling, well engineering, and offshore production services. The company also offers management services. It has offices in Texas, Louisiana, and Venezuela. The company is headquartered in Houston, TX.

Part of GS Holdings Corp., Tiger Oil Corp. sells oil products and provides oil exploration services.

Crescent Petroleum Co. International Ltd. engages in petroleum and natural gas production activities. The firm offers exploration and development of petroleum concessions and the production and sale of crude oil, petroleum products and natural gas. The company was founded by Hamid Jafar in 1971 and is headquartered in Sharjah, the United Arab Emirates.

Buttes Gas & Oil Co. is a Canadian company that specializes in drilling oil and gas wells.

J. Ray McDermott SA provides marine engineering solutions. The company was founded in 1950 and is headquartered in Houston, TX.

Part of Occidental Petroleum Corp., Placid Oil Co. is a company that deals with fuel oil and oil & gas production. The company is based in Dallas, TX. Placid Oil was acquired by Occidental Petroleum Corp. on December 30, 1994 for $250 million.