Enping 15-1 oilfield cluster, which is situated in the Pearl River Mouth Basin. With an average water depth of 90 meters, the oilfield cluster has 48 production wells that are planned to be operational and four new oilfields, the CNOOC said.

The oilfields are expected to achieve peak production of approximately 5,000 tonnes of crude oil per day once they start full operation, injecting new impetus into the development of the Guangdong-Hong Kong-Macao Greater Bay Area, according to the company.

The oilfield cluster also boasts the country's first offshore carbon capture, utilization and storage demonstration project, the CNOOC said.