China National Offshore Oil (China) Co., Ltd. Zhanjiang Branch
China National Offshore Oil Corporation (China) Co., Ltd. Shenzhen Branch
CNOOC (China) Co., Ltd. Shanghai Branch
CNOOC Research Institute
China national offshore oil, natural gas and electric power group co., ltd
Zhonghai Oilfield Service Co., Ltd.
Offshore Oil Engineering Co., Ltd.
CNOOC Energy Development Co., Ltd.
China Ocean Oil&Gas Development and Utilization Company
China Offshore Oil Corporation Sales Company
CNOOC Petrochemical Co., Ltd.
China Offshore Oil Shandong Haihua Group Co., Ltd.
CNOOC Haixi Ningde Industrial Zone Development Co., Ltd.
Huizhou refining and chemical branch
China Shipping Petrochemical Import and Export Co., Ltd.
China national offshore oil corporation new energy investment co., ltd
Zhonglian coalbed methane co., ltd
China Offshore Oil Corporation (hereinafter referred to as "China Offshore Oil") is a super-large state-owned enterprise (central enterprise) directly under the State-owned Assets Supervision and Administration Commission of the State Council of China, headquartered in Beijing, with 98,750 employees and four upstream branches in Tianjin, Zhanjiang, Shanghai and Shenzhen. In Fortune magazine's list of the world's top 500 enterprises published in 20 14, China Offshore Oil Corporation ranked 79th. Ranked 27th in the list of top 500 Chinese brands sponsored by China Brand Value Research Institute on 20 15.
. Since the establishment of 1982, China CNOOC has successfully implemented major measures such as reform and reorganization, capital operation, overseas mergers and acquisitions, and upstream and downstream integration. The enterprise has achieved leap-forward development, and its comprehensive competitive strength has been continuously enhanced, maintaining a good development trend. From an upstream company solely engaged in oil and gas exploration, it has developed into an international energy company with prominent main business and complete industrial chain, forming oil and gas exploration and development, professional technical services, refining sales, fertilizer and natural gas and other businesses.