On November 18, CNOOC Limited announced that Jinzhou 31-1 gas field development project commenced production.

Jinzhou 31-1 gas field locates in Liaodong Bay of Bohai Sea, with an average water depth of about 30 meters. The main production facilities include 1 subsea production system, 1 submarine transportation pipeline, and 1 umbilical cable. It will fully utilize the existing processing facilities of Jinzhou 25-1 south platform and apply the first shallow-water Christmas tree independently developed in China. The project is expected to reach its peak production of approximately 14.8 million cubic feet of natural gas per day in 2023.

CNOOC Limited holds 100% interest in Jinzhou 31-1 gas field development project and acts as the operator.