CNOOC Limited announced that Bozhong (BZ) 19-4 (shallow formation) oil field in the Bohai Bay has commenced production recently. This oil field is located in the southwest part of Bohai Bay. With an averaged water depth of about 21 meters, the field is approximately 7 kilometers 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 the company, said, “BZ 19-4 oil field is one of the important projects planned to be brought on stream this year. BZ 19-4 (shallow formation) oil field is jointly developed by CNOOC Ltd. and Chevron. CNOOC Ltd.