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CNOOC Limited announced that is has recently made a new mid-sized gas discovery Lingshui17-2, the first breakthrough on the independent deepwater exploration in Qiongdongnan Basin, in the South China Sea.

Lingshui17-2 is located in the east Lingshui Sag in deepwater area of Qiongdongnan Basin, with the average water depth of approximately 1450 m. The discovery well Lingshui17-2-1 was drilled and completed at a depth of 3510 m and encountered the gas reservoir with a total thickness of approximately 55 m.

The discovery has not only proven the exploration potential of structural and lithologic trap in central Canyon channel of Lingshui Sag, but also further confirmed the good exploration prospects in deepwater area of Qiongdongnan Basin.