The oil field is located in the southwest part of Bohai Bay. With an averaged water depth of about 21mt, the field is approximately 7km northwest of BZ 25-1 oilfield.

The development and production operation of BZ 19-4 oil field mainly rely on the facilities of BZ 25-1/25-1S oilfield. The field is expected to hit its peak production of more than 15,600 barrels per day within the year.

Chen Bi, executive vice president of CNOOC, said: “BZ 19-4 oil field is one of the important projects planned to be brought on stream this year. The start-up of the field is again an evidence of our strong operating capability to improve the production performance via close cooperation with our partner.”

The BZ 19-4 oil field is jointly developed by CNOOC and Chevron. CNOOC holds 83.8% interest and acts as the operator, while Chevron holds the remaining 16.2% interest.