China's CNOOC Ltd. has reported two new oil and gas discoveries in Bohai Bay, where the Bozhong and Qinhuangdao complex of fields has just produced first oil.

BZ 2-1 is located in the west of Bozhong Sag, about 6 kilometers southeast of BZ 3-2 oil field. The discovery well BZ 2-1-2 penetrated oil pay zones with total thickness of 50.9 meters. The well drilled to a total depth of 3,910 meters, with water depth of about 26 meters

The well was tested to flow at an average rate of 1,270 barrels of oil and 393 thousand cubic feet of natural gas per day via 11.91mm choke. BZ 2-1 is another breakthrough in Bozhong Sag since QHD 35-2, which was found last year. The new discovery further proved the exploration potential in Bozhong Sag.

Another new discovery QHD 29-2 is located in southeast of Qinnan Sag. The discovery well QHD 29-2-1 is located on QHD 29-2 structure, with a total depth of 3,991 meters. Oil pay zones of 35 meters and gas pay zones of 48 m were struck through.

The Company has carried out drill stem test for four layers, and the well flowed at an average rate of 3,930 barrels of oil and 15.2 million cubic feet of natural gas per day.

Both of the structures are on large scale with thick oil pays, and contain light crude. Water in the area averages 27 m.

Tags: CNOOC Limited