CNOOC — Upstream Portfolio
Oil Gas
Type
Operating
Status
🇨🇳 China
Country
Project information
As at 31 December 2025
Aggregation level:
Company portfolio
Aggregation level:
Company portfolio
Report standard:
Sec S K 1200
Report standard:
Sec S K 1200
Ownership %:
100
Ownership %:
100
Operator:
Yes
Operator:
Yes
Extraction:
Offshore
Extraction:
Offshore
Description
As at 31 December 2025
CNOOC Limited's consolidated upstream portfolio, China's largest offshore oil and gas producer, spanning offshore China (Bohai, South China Sea, East China Sea) and international assets in Canada, the UK, Brazil, Guyana, and Colombia. 2025 saw 16 new projects come on stream. All-in cost was US$27.90 per BOE; realized oil price US$66.47/bbl and realized gas price US$7.95/mcf.
Portfolio Aggregate
Multiple effective dates · 1P
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Reserves & resources — detail
As at 31 December 2025
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