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CNOOC Limited Brings On-stream Weizhou 11-4 Oilfield Adjustment and Satellite Fields Development Project

In a Hong Kong release on Dec. 2, 2025, CNOOC Limited announced the Weizhou 11-4 Oilfield Adjustment and Satellite Fields Development Project has commenced production, with the company holding 100% interest and operating it.
Using a coordinated scheme, the project adopts a "three offshore processing centers + one onshore terminal" plan to leverage existing facilities and stabilize regional energy supply.
A 35-well program includes 28 production wells and 7 water injection wells, supported by a newly-built unmanned wellhead platform and a central processing platform linked by a trestle.
CNOOC Limited expects the project to reach plateau production of 16,900 barrels of oil equivalent per day in 2026, cautioning actual results may differ due to forward-looking risks.
The field lies in the Beibu Gulf Basin and has an average water depth of 43 meters, producing light crude that influences processing and output.

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