China reports 'combustible ice' breakthrough

China reports 'combustible ice' breakthrough

A photo released by the Xinhua News Agency in June shows gas flaring out from a drilling platform that extracted natural gas from
A photo released by the Xinhua News Agency in June shows gas flaring out from a drilling platform that extracted natural gas from "combustible ice" trapped under the seafloor of the South China Sea. (AP Photo)

SHANGHAI: China says it has successfully produced natural gas from methane hydrate, also known as "combustible ice", in an experimental project in the South China Sea that represents a potential major energy breakthrough.

A drilling platform deployed off the coast of the southeastern Chinese city of Zhuhai for 60 days produced a total of 309,000 cubic metres of natural gas, a record extraction volume from gas hydrate, the Ministry of Land and Resources said in a notice on its website on Saturday.

"After nearly 20 years of unremitting efforts, China has achieved theoretical, technological, engineering and equipment innovations and has made a historical breakthrough," the ministry said.

Combustible ice consists of methane trapped within water crystals, and has been identified as a potential new gas source, with the South China Sea thought to contain some of the world's most promising deposits.

China has claimed huge areas of the South China Sea and continues to build military and other facilities on islands there despite an international tribunal ruling that its territorial claims are not valid.

The Chinese government has promised to "actively develop" natural gas hydrate over the 2016-20 five-year plan period.

The land and resources ministry said earlier this year that two gas hydrate deposits with about 100 billion cubic metres of reserves had been discovered following seismic surveys and drilling programmes in the northern section of the South China Sea.

Japan reported a similar successful production test in May. India, Canada and the United States are also believed to be looking at hydrates as an alternative energy source.

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