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China National Offshore Oil Corporation (CNOOC) Corporate Structure

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China National Offshore Oil Corporation
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Kokel, Nicolas
3/25/2026 9:11 PM



The corporate structure of CNOOC Group (中国海洋石油集团有限公司) is currently being developed in ppPLUS. The documentation covers the group's principal holding entities and operating subsidiaries, tracing the ownership chain from the state parent — 100% owned by the Chinese central government through SASAC — through its offshore holding vehicles (Overseas Oil and Gas Corporation, Ltd. in Bermuda and CNOOC (BVI) Limited in the British Virgin Islands) to its flagship listed company CNOOC Limited (HKEx: 00883; SSE: 600938), and further down to key operating subsidiaries including CNOOC International Limited (overseas E&P), CNOOC Petroleum North America ULC (Canada), CNOOC Petrochemical Investment Co., Ltd. (petrochemicals, South China), and associated industrial facilities. This profile will be progressively expanded to reflect the full breadth of CNOOC Group's integrated energy portfolio spanning offshore oil and gas, LNG, refining, petrochemicals, oilfield services, and offshore wind power.

Take a look at the CNOOC Group corporate structure here.

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