CNOOC Ltd. made a mid-to-large new discovery in the Jinzhou 23-2 structure in Bohai offshore China, according to a press release.

Jinzhou 23-2 structure is located in the north part of Liaodong Uplift of Bohai with an average water depth of about 10 m (33 ft). The well Jinzhou 23-2-3 was drilled and completed at a depth of 1,097 m (3,600 ft) and encountered oil and gas pay zones with a total thickness of 68.4 m (224.4 ft). The oil production of the well was tested at about 260 bbl/d.

The exploration success of Jinzhou 23-2 not only demonstrated the structure belt has excellent reservoir quality but also proved the good exploration prospects in the north part of Liaodong Uplift.