Chengmai deep-sea oil and gas services · Industry service platform
CNOOC Hainan Energy Co., Ltd.
CNOOC Hainan Energy established an offshore oil and gas engineering R&D centre and participates in deep-sea engineering work. It connects campaign demand, engineering design and test resources; offshore production volume is not the measure of this onshore service role.
Published company identity
CNOOC Hainan Energy Co., Ltd.
Chengmai County · Central state-owned group
Published products and capabilities
- Offshore oil and gas engineering R&D and campaign planning services
Regional influence evidence
- The science ministry directly names the company and its offshore engineering R&D centre, confirming entity and function.
- The base’s four-block layout requires an operator-side campaign need, and the company links wellsite work with shore resources.
Checkable sources
- Chengmai County 2025 government work report — Hainan Provincial People’s Government
- Hainan deep-sea and deep-layer energy engineering laboratory inaugurated in Chengmai — Ministry of Science and Technology
- Hainan turns to the sea: Chengmai oil and gas service base — Hainan Department of Agriculture and Rural Affairs
Information and transaction boundary
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