Ledong 22-1 gas field in Yinggehai basin

Lying in Ledong22-1 structural zone of Yinggehai basin, Ledong 22-1 gas field is located offshore 130 km south-west of Sanya city, 115km to Yinggehai town of hainan province, about 47 km west of Ya 13-3 gas field and about 25 km east of Dong 15-5 gas field.
In Yinggehai basin, oil and gas exploration begun in 1970s and Ledong22-1 gas field was discovered by the industrial gas flowing from well Dong22－１－１ located in the southern structure on Feb.1993. As of the end of 1998, it had proven 165.8km2 gas-bearing area and an OGIP 431.04×108m3 . Ledong 22-1 is regarded as a large gas field with low abundance.

Ledong 15-1 gas field in Yinggehai basin

Lying in the southern margin of the central mud piercement diapir zone of Yingerhai basin, Ledong 15-1 gas field is located 110 km south-west of Sanya city, Hainan province.
With oil and gas exploration initialed in 1970s in the basin, Ledong15-1 gas field was discovered as a result of the industrial gas flowing found in well Dong－１-1 located in the west-south limb of the structure on Feb.1993. As of the end of 1998, it had proven 36.5km2 gas-bearing area and an OGIP 178.8×108m3 . Ledong 15-1 gas field is a medium shallow gas field with low abundance .

Wenchang 9-1-1 gas field in Yinggehai basin

Located in the southern offshore of Hainan province, Wenchang9－１-1 gas field lies in the south-western part of Zhushan depression of Yinggehai basin, north of Wenchang B sag, connecting to Hainan uplift in west-south and plunging to Wenchang A sag in east-north
With the oil and gas exploration begun in 1970s in the basin, Wenchang 9－１-1 gas field was discovered by the industrial condensate gas flowing from well Wenchang 9－１-1 in Jul.1996. As a preliminary estimate, it has an OGIP 43×108m3 and an OOIP 183×104t . It is regarded as a small condensate gas field.