CNOOC Ltd. discovered oil and gas in the southwestern Ring of Bozhong Sag in Bohai Bay.
Bozhong 13-2 lies in 23.2 m water depth and was drilled and completed at a depth of 5,223 m. The discovery encountered oil pay zones with a total thickness of 346 m. The well tested at an average 1,980 bbl crude oil and 5.25 million cu ft/d of natural gas.