CNOOC Limited has made a mid-to-large new discovery Jinzhou 23-2 in Bohai, China.
Jinzhou 23-2 structure is located in the north part of Liaodong Uplift of Bohai with an average water depth of about 10 meters.
The well Jinzhou 23-2-3 is drilled and completed at a depth of 1,097 meters and encountered oil and gas pay zones with a total thickness of 68.4 meters. The oil production of the well was tested around 260 barrels per day.
The company says the exploration success of Jinzhou 23-2 not only demonstrated the structure belt has excellent reservoir quality, but also proved the good exploration prospects in the north part of Liaodong Uplift.
Bohai is the most important crude oil producing area for the company. The crude oil produced in this region is mainly heavy oil. As of the end of 2013, the reserve and daily production volume in Bohai were 1,179.7 million BOE and 413,650 BOE/day, respectively, representing approximately 26.6% and 36.7% of the company’s total reserves and daily production, respectively. The operation area in Bohai is mainly shallow water with a depth of 10 to 30 meters.