| Facility | Type | Country | t CO₂e/yr |
|---|---|---|---|
| CNOOC Huizhou Refinery | Refinery | China | 5,467,956 |
| CNOOC & Shell Petrochemical, Guangdong, Daya Bay | Petrochemical | China | 3,761,677 |
| CNOOC Zhejiang Ningbo Daxie Zhoushan Refinery | Refinery | China | 1,988,348 |
| CNOOC Dongfang Petrochemical Hainan Refinery | Refinery | China | 412,629 |
Ownership, capacity & CO₂: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
