Michael Denys Seymour

Founded in 1953, Chrysaor Production (U.K.) Ltd. is a subsidiary of Harbour Energy Plc. The company engages in the extraction of crude petroleum and is based in London, UK.

Part of SeaEnergy Plc, Medusa Oil & Gas Ltd. explores for and produces oil and gas. The company is based in London, UK. The British company was founded by Michael Denys Seymour. Medusa Oil & Gas was acquired by SeaEnergy Plc from Aurelian Oil & Gas Ltd. on December 07, 1999 for $1.06 million.

Aurelian Oil & Gas Ltd. explores and produces oil and gas. It evaluates, explores and develops the onshore hydrocarbon resources and applies conventional technologies to underexplored proven hydrocarbon systems. The firm focuses on Central Europe with licenses in Poland, Slovakia, Romania and Bulgaria. The company was founded by Michael Denys Seymour in 1982 and is headquartered in London, the United Kingdom.

Rockhopper Mediterranean Ltd. engages in the development and exploration of oil and gas properties. It owns and operates assets in the central Mediterranean region of Italy, Malta and France. The company was founded on January 4, 2005 and is headquartered in London, the United Kingdom.