CNOOC reports new South China Sea gas discovery

Offshore staff

HONG KONG – CNOOC Ltd. has made a mid-to-large deepwater natural gas discovery at Lingshui 25-1.

The Lingshui 25-1 structure is in northeast Ledong Sag in the Qiongdongnan basin of the South China Sea, with an average water depth of about 980 m (3,215 ft).

The discovery well Lingshui 25-1-1 was drilled and completed at a depth of about 4,000 m (13,123 ft) and encountered the oil and gas pay zone with a total thickness of about 73 m (240 ft). The well tested at 35.6 MMcf/d of natural gas and 395 b/d of oil.

Lingshui 25-1 follows Lingshui 17-2. The new discovery has not only opened up a new exploration chapter in deepwater area of the northern South China Sea, but also further proven the good exploration prospects in deepwater area of C basin, said CNOOC.


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