Robert L. Cabes

Spartan Offshore Drilling LLC provides offshore drilling services. It provides jack-up well drilling, workover and completion services throughout the Gulf of Mexico and the Cook Inlet Alaska. The firm also focuses on providing its services in the Middle East, Mexico, and Southeast Asia. The company was founded in 2002 and is headquartered in Slidell, LA.

Laramie Energy II LLC engages in the business of finding and developing natural gas reserves from unconventional gas reservoirs. The company was founded by Kenneth G. Leis and Robert Stephen Boswell in July 2007 and is headquartered in Denver. CO.

Laredo Energy IV LP engages in the acquisition, exploration, and development of natural gas resources in the Lobo Trend in South Texas. The company was by Glenn D. Hart, Scott G. Stevenson, Robert L. Swanson, and Steven B. Jacques in 2001 and is headquartered in Houston, TX.

Royal Offshore LLC engages in the exploration and development of oil and natural gas assets in the Gulf of Mexico. The company was founded in 2008 and is headquartered in Corpus Christi, TX.

ACP II Marcellus LLC operates as a holding company with interest in acquiring and exploiting natural gas assets. The company was founded in 2008 and is headquartered in Houston, TX.

Hansa Hydrocarbons Ltd. provides gas exploration services. It aims to grow a high-value business from exploiting the remaining potential for gas across the prolific Permian Basin that extends from the Southern North Sea through onshore Northern Europe. The company was founded on November 5, 2012 and is headquartered in London, the United Kingdom.

Celtique Energie Holdings Ltd. operates as a holding company with interests in the exploration and production of oil and natural gas. It develops oil and natural gas discoveries and prospects in onshore basins through its subsidiary Celtique Energie Ltd. The company was founded in 2006 and is headquartered in London, the United Kingdom.

Hi-Crush Proppants LLC engages in the provision of proppant and logistics solutions to the North American petroleum industry. The firm owns and has options to acquire sand excavating and processing locations located in Wisconsin. It also offers premium frac sand and logistics services to E&P companies, integrated service companies and pressure pumping companies, on contract and spot basis. Its services include transload, terminal and storage, and railcar storage and handling. The company was founded by Robert E. Rasmus and James M. Whipkey in October 2010 and is headquartered in Houston, TX.

ACP III Utica LLC acquires and develops oil and natural gas assets. The company is headquartered in Houston, TX.

Manti Exploration Operating LLC is engaged in exploration, development and production services for the oil and gas industry. It provides crude oil, petroleum, and natural gas extraction. The company was founded in 1989 and is headquartered in Corpus Christi, TX.

White Deer Management LLC (White Deer Management) is a private equity firm founded in 2008 by Benjamin Allen Guill and Thomas Jeffery Edelman. The firm is headquartered in Houston, Texas with additional office in New York.