CNOOC Ltd. makes discovery in Bohai Bay

CNOOC Ltd. has made an independent discovery in the Yellow River Mouth sag in Bohai Bay. Bozhong (BZ) 28-2E lies between the BZ 28-1 and BZ 28-2S oil fields.

Offshore staff

HONG KONG -- CNOOC Ltd. has made an independent discovery in the Yellow River Mouth sag in Bohai Bay. Bozhong (BZ) 28-2E lies between the BZ 28-1 and BZ 28-2S oil fields.

Discovery well BZ 28-2 E-1, south of structure BZ 28-2E in the Yellow River Mouth Sag, penetrated oil pay zones with total thickness of 35 m ( ft) and gas sections of 35 m ( ft). The well was drilled to a TD of 2,575 m ( ft) in 20 m ( ft) water depth.

During the drillstem test, the well flowed at an average rate of 1,600 b/d of oil from the oil zones via 7.14 mm ( in.) and 14.29 mm ( in.) chokes and 10 MMcf/d of gas via 15.08 mm ( in.) choke.

"I am happy to declare this exciting result in our exploration. Since 2006, CNOOC Ltd. has made four discoveries in the Yellow River Mouth sag of Bohai Bay. We hope to develop a large-scale cluster of oil and gas fields in the future," says Zhu Weilin, vice president of the company and general manager of the exploration department.

3/23/2007

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