CNOOC Limited has successfully appraised the Penglai(PL)9-1 hydrocarbon bearing structure following the discovery made in 2010. The appraisal confirmed that PL9-1 is a large oilfield.
PL9-1 is located in the Miaoxibei uplift in the eastern part of Bohai, with an average water depth of 25 meters. One of the appraisal wells PL9-1-5 encountered oil pay zones in buried hill with total thickness of over 200 meters, and the well was tested to produce around 700 barrels of oil per day. PL9-1 is the largest oilfield among the recent years’ discoveries by scale in Bohai.
Furthermore, the Company also made a successful discovery of PL15-2 structure, located 8 kilometers south of PL9-1.The discovery well of PL15-2-1 encountered oil pay zones with total thickness of 83 meters, and the test indicated an average rate of over 1,200 barrels of oil per day.