LF 8-1-2 was completed on 21 November 2017 without result reported.  CNOOC â Shenzhen spudded an appraisal well in the PRMB, South China Sea, on 11 October 2017. LF 8-1-2 is drilled in the Lufeng Sag in 130 m of water with objective in the Miocene-Oligocene clastic paly, particularly in Oligocene Formation. âNanhai 2â S/S is used for the drilling operation.  In 2014 CNOOC completed LF 8-1-1 as an oil discovery well.  In the Lufeng sag, there have been several fields on producing, such as LF 13-1/2 operated by CNOOC and LF 7-2 operated by New Field.  In this area, several wells have been drilling apart from LF 8-1-1, LF 14-4-1 were reported as discovery well, and another few wells, such as LF 9-2-1, LF 9-6-1, LF 14-2-1, LF 14-3-1 and LF 15-2-1 are not success. CNOOC made discovery of LF 14-4-1 in 2014 when the well penetrated about 150 m of oil pay and tested 1,320 b/d of oil from the Lower Tertiary Zhuhai Formation.  In 2015, CNOOC drilled an appraisal well, LF 14-4-2, and reported as a success oil well.  In 2017 CNOOC made a discovery in LF 14-8-1d, the well tested commercial oil flow in the Oligocene formation. 
China, not found