Production starts at billion-tonne Bozhong 26-6 Oilfield

China's state-owned oil and gas giant China National Offshore Oil Corporation (CNOOC) announced Friday that its billion-tonne Bozhong 26-6 Oilfield Development Project (Phase I) has commenced production in the northern Bohai Sea.

Located offshore in the central Bohai Bay, with an average water depth of 20 meters, the oilfield project is expected to achieve a peak production of around 22,300 barrels of oil equivalent daily in 2025. The oil property is light crude.

The main production facilities for the Phase I project include a new central processing platform and an unmanned wellhead platform.

"For Phase I of Bozhong 26-6 Oilfield Development Project, we plan to develop 33 wells and put them into production. And the peak daily production of oil and gas equivalent is expected to exceed 3,500 cubic meters," said Liu Jingliang, director of Bozhong 26-6 Oilfield, CNOOC Tianjin Branch.

The oilfield's petroleum reservoir now boasts an accumulative 200 million cubic meters, making it the world's largest metamorphic oilfield.

The reservoirs of the Bozhong 26-6 oil field are buried in seabed hills thousands of meters deep below the surface. They are mainly composed of metamorphic rocks.

Benefiting from the application of standardized engineering, it took only three years for the oilfield to go into production after its discovery, rapidly converting reserves to production.

The Bohai Oilfield has built more than 50 oil and gas fields in production and more than 200 production facilities.

In 2024, the oil and gas production of the Bohai Oilfield maintained steady growth, and the crude oil production remained above 30 million tonnes for three consecutive years, with the cumulative oil and gas equivalent production exceeding 600 million tonnes.

The Bohai Oilfield has successively explored and discovered 6 billion tonne oil and gas fields in recent years.