CNOOC Limited announced the successful completion of BZ19-4N-2D, an appraisal well drilled in Bohai Bay
. BZ19-4N-2D, located on Structure BZ 19-4N on Block 11/19, was drilled in 23 m of water to a total depth of 2,390 m. Drilling of BZ19-4N-2D began in August 2005. The well encounters 98.5 m of pay zones.
Two drill stem tests (DST) were conducted in two intervals. During the tests, the well flew about 770 barrels of oil per day and 0.15 million cubic feet of gas through a 7.94 mm choke.
Block 11/19 is a PSC block with ChevronTexaco as the only partner.