Christopher C. Rivett-Carnac

Oando Energy Resources, Inc. was an oil and gas company, which explores, develops, and produces conventional oil and gas reserves. Its projects included Akepo Oilfield Project, Abo Field, Oberan Field, Obodeti and Obodugwa Field, and Bilabiri and Owanare Field. The company was founded on August 9, 2005 and is headquartered in Calgary, Canada.

Greenfields Petroleum Corp. operates as an oil and natural gas exploration and development company. It focuses on the development and production of proven oil and gas reserves in the Republic of Azerbaijan. The company was founded by Richard E. MacDougal and Alex T. Warmath on November 28, 2007 and is headquartered in Houston, TX.

Part of Serica Energy Plc, Petroleum Development Associates (UK) Ltd. explores for, produces, and develops oil and gas properties. The company is based in Goldaming, UK. The British company was founded by Christopher C. Rivett-Carnac. Petroleum Development Associates (UK was acquired by Serica Energy Corp. on February 03, 2004.

Part of First Oil Plc, Tuskar Resources Plc produces oil and gas.

Tiger Petroleum, Inc. explores and develops oil & gas properties. It also operates underground storage facilities for natural gas and provides drilling services. The company was founded in 1998 and is located in Calgary, Canada.