New natural gas discovery made on independent deepwater exploration

CNOOC Limited today announced that the company has successfully made a new mid-to-large sized natural gas discovery at Lingshui 25-1 on the independent deepwater exploration.

The Lingshui 25-1 structure is located in the northeast of Ledong Sag in Qiongdongnan Basin of South China Sea, with an average water depth of about 980m. The discovery well Lingshui 25-1-1 was drilled and completed at a depth of about 4000m and encountered the oil and gas pay zone with a total thickness of about 73m. The well was tested to produce about 35.6 million ft3 of natural gas and 395 boe/d.

Lingshui 25-1 is another mid-to-large sized natural gas discovery following Lingshui 17-2 that the company made on an independent deepwater exploration. The new discovery has not only opened up a new exploration chapter in the deepwater area of northern South China Sea, but also further proven the good exploration prospects in the deepwater area of Qiongdongnan Basin.


Adapted from press release by Joe Green

Published on 06/01/2015


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