BZ 8-4S-1d completed in late April 2020 without result reported.  CNOOC â Tianjin spudded a new-field wildcat BZ 8-4S-1d in the Bohai offshore, Bohai Gulf Basin on 25 March 2020. The well is located in the Bozhong Depression in 25 m of water. It is targeting the Tertiary clastic play. âZhongyuouhai 5â J/U is used for the drilling operation.   There is an oil discovery in the north of the BZ 8-4S-1d. BZ 8-4-2, drilled in 2013, is reported testing oil from the Neogene Minghuazhen Formation. The following appraisal well, Bozhong 8-4-4, was tested oil of 660 b/d form the Minghuazhen reservoir. During the drilling operations, the well encountered oil pay of about 50 m and gas pay of about 11 m, the successful result confirmed the BZ 8-4 discovery.   Later additional three successful appraisal wells Bozhong 8-4-7/8d/9d extended the reserves scale of this area, the field was expected to become a mid-size oil field, stated by CNOOC in its 1Q Review 2014.  The BZ 8-4 discovery is under appraisal at the moment.   In addition, CNOOC completed BZ 8-3-1 in 206 to the south of BZ 8-4S-1d but without result reported.
China, Bozhong