CNOOC Taps First Ultra-Deepwater Gas Discovery in South China Sea


BEIJING, Feb 26 (Reuters) - China's CNOOC Ltd said on Friday it had tapped the country's first ultra-deepwater natural gas discovery in the northwestern part of the South China Sea.

The state-owned offshore oil and gas explorer started to drill the Lingshui 18-1-1 exploration well last October in water depths of 1,688 metres (5,538 feet) and a test of the well in December was a success, the company said in a report published on the website of parent company China National Offshore Oil Corp (

An "ultra-deep" well is categorized as one more than 1,500 metres under the sea.

The report didn't give any estimate of gas flows at Lingshui 18-1-1, but said the discovery has been certified by the Ministry of Land & Resources.

It's located next to another deepsea gas find Lingshui 17-2, which has certified proven reserves exceeding 100 billion cubic metres as reported by the state media a year ago.

CNOOC deployed the country's flagship deepwater rig, the "Haiyang Shiyou 981", to drill the well, the report said.

(Reporting by Chen Aizhu; Editing by Christian Schmollinger)

Copyright 2016 Thomson Reuters. Click for Restrictions.


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