CNOOC Limited Brings On-stream Weizhou 5-3 Oilfield Development Project
- CNOOC Limited began production on June 8, 2025, from the Weizhou 5-3 development project located within the Beibu Gulf Basin of the South China Sea.
- The project started after development plans that include 10 wells, a self-installing wellhead platform, and use of existing adjacent facilities.
- CNOOC holds a 51% stake in the project while Smart Oil Investment Ltd. owns the remaining 49%, producing medium crude in waters about 35 meters deep.
- The project is projected to maintain a stable output near 10 thousand barrels of oil equivalent daily by the year 2026, based on company projections.
- This startup marks CNOOC's seventh offshore production launch in 2025 and supports China’s broader offshore energy development strategy.
69 Articles
69 Articles

CNOOC Limited Brings On-stream Weizhou 5-3 Oilfield Development Project
HONG KONG, June 8, 2025 /PRNewswire/ -- CNOOC Limited (the "Company", SEHK: 00883 (HKD Counter) and 80883 (RMB Counter), SSE: 600938) today announces that Weizhou 5-3 Oilfield Development Project has commenced production.
CNOOC brings Weizhou 5-3 oilfield onstream - Drilling Contractor
CNOOC has started production at the Weizhou 5-3 Oilfield Development Project located in the Beibu Gulf Basin of the South China Sea, with an average water depth of approximately 35 m. The main production facility includes one self-installing wellhead platform, which leverages the adjacent existing facilities for development. Ten development wells are planned to be … The post CNOOC brings Weizhou 5-3 oilfield onstream appeared first on Drilling C…
CNOOC brings Weizhou 5
HONG KONG, June 9, 2025 /PRNewswire/ -- CNOOC Limited (the "Company", SEHK: 00883 (HKD Counter) and 80883 (RMB Counter), SSE: 600938) today announces that Weizhou 5-3 Oilfield Development Project has commenced production. The project is located in the Beibu Gulf Basin of the South China Sea, with an average water depth of approximately 35 meters. The main production facility includes 1 self-installing wellhead platform, which leverages the adjac…
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