Zhi Fang

CNOOC Southeast Asia Ltd. operates as an investment holding Chinese company. The company is based in Beijing, China. The company is ultimately controlled by the Government of China.

China National Offshore Oil Corp. explores oil and gas properties. The firm offers oil and gas exploitation, chemical and fertilizer production and refining, natural gas and power generation, new energies development, financial and logistic services. The company was founded on February 15, 1982 and is headquartered in Beijing, China.

CNOOC Canada, Inc. develops integrated oil sand projects. The company was founded in 1999 and is headquartered in Calgary, Canada.

CNOOC Petroleum North America ULC is an upstream oil and gas company responsibly developing energy resources in the UK North Sea, offshore West Africa, the United States, and Western Canada. The firm has three principal businesses: conventional oil and gas, oil sans, and gas and oil. The company was founded in 1971 and is headquartered in Calgary, Canada.

CNOOC China Ltd. produces oil and gas in China. It provides prospecting, refinement and processing, and sale of offshore oil and natural gas products. The company also offers offshore petroleum exploration, development, production, and sales. CNOOC China was founded in 1999 and is headquartered in Beijing, China.

CNOOC Ettrick U.K. Ltd. is a British company that engages in the extraction of crude petroleum. The company is based in Uxbridge, UK. The company is ultimately controlled by the Government of China.