Mark Kenneth Tough

Part of Shell Plc, Enterprise Oil Ltd. is a British company that extracts petroleum and natural gas. The company is based in London, UK. The company was founded in 1982. Enterprise Oil was acquired by Shell Resources Plc on May 07, 2002 for $5,015.54 million.

Shell Canada Ltd. processes, markets & distributes natural gas, liquids and bitumen. The company engages in the discovery and development of hydrocarbon reserves. It also markets refined petroleum products. The company was founded in 1911 and is headquartered in Calgary, Canada.

Founded in 1989, BG North Sea Holdings Ltd. is a subsidiary of Shell Plc that explores for, produces, and develops oil and gas properties. The company is based in London, UK.

Part of ConocoPhillips, Conoco Canada Ltd. is the Canadian division of ConocoPhillips, the world's largest independent exploration and production company based on production and proved reserves. ConocoPhillips explores for, develops, and produces crude oil and natural gas in Canada.

Enterprise Oil U.K. Ltd. provides petroleum and natural gas exploration and extraction services. It is a subsidiary of Enterprise Oil Plc. The company is headquartered in London, the United Kingdom.

CEP International Petroleum Ltd. focuses on oil and gas exploration. It explores in eastern Russia and on the Kamchatka peninsula. It has obtained two licenses and identified 10 oil prospects. The company was founded in November, 1998 by Robert J. Maxwell is located in Calgary, Canada.

Asamera, Inc. is a Canadian company that produces oil and gas. It is a subsidiary of ConocoPhillips.

Part of Shell Plc, Shell U.K. North Atlantic Ltd. engages in the production of crude petroleum. The company is based in London, UK.

Part of Shell Plc, BG Great Britain Ltd. engages in the extraction of crude petroleum. The company is based in London, UK.

Shell EP Offshore Ventures Ltd. engages in oil and gas exploration. The company was founded on November 26, 1982 and is headquartered in London, the United Kingdom.

Part of Shell Plc, Shell Clair UK Ltd. engages in exploring oil and natural gas. The company is based in London, UK.

Part of Shell Plc, Shell North Sea Holdings Ltd. functions as an investment holding British company. The company is based in London, UK.

Part of Shell Plc, BG Norge Ltd. is a British company that explores oil and gas. The company is based in London, UK and was founded in 2004.

Part of Shell Plc, Enterprise Oil Middle East Ltd. is a British company that engages in the exploration of oil and gas. The company is based in London, UK and was founded in 1991.

Part of Shell Plc, Shell Upstream Overseas Services (I) Ltd. is a British company that provides crude oil extraction services. The company is based in London, UK and was founded in 2011.