CNOOC wildcat finds oil in Bohai Bay

March 28, 2006
CNOOC Ltd. made an oil discovery on Structure BZ28-2S in the Yellow River Mouth Sag of central northern Bohai Bay off China.

By OGJ editors
HOUSTON, Mar. 28 -- CNOOC Ltd. made an oil discovery on Structure BZ28-2S in the Yellow River Mouth Sag of central northern Bohai Bay off China. CNOOC drilled the well to 2,125 m TD in 22 m of water.

The BZ 28-2S-1 well penetrated 85 m of oil pay and 8 m of gas pay. Two drillstem tests conducted over two intervals yielded a combined 1,900 b/d of oil and 2 MMcfd of gas through 7.94-mm and 12.7-mm chokes.

Earlier this year, CNOOC Ltd.'s wildcat Bozhong (BZ) 29-4-2, spudded in January in Bohai Bay, cut 34.5 m of gas pay and 13 m of oil pay, the company reported. BZ29-4-2, drilled to 3,070 m TD, tested 760 b/d of oil through a 7.94-mm choke (OGJ, Mar. 27, 2006, Newsletter).