Established in 1982. CNOOC Limited stock symbol traded as SEHK: 0883, NYSE: CEO, TSX: CNU.
China National Offshore Oil Corporation, or CNOOC Group (Chinese: 中国海洋石油总公司 Pinyin: Zhōngguó Háiyáng Shíyóu Zǒnggōngsī), is a major national oil company in China. It is the third-largest national oil company in the People’s Republic of China, after CNPC (parent of PetroChina) and China Petrochemical Corporation (parent of Sinopec). The CNOOC Group focuses on the exploitation, exploration and development of crude oil and natural gas in offshore China.
The Group is the largest producer of offshore crude oil and natural gas in China and one of the largest independent oil and gas exploration and production companies in the world. The Group mainly engages in exploration, development, production and sale of crude oil and natural gas.