Paper Infomation
Status and Prospect of Subsea Natural Gas Hydrate Exploitation Technology
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Author: Xin Wang, Yihuai Hu, Yong Chang, Juanjuan Tang
Abstract: Natural gas hydrate has bright resource potential and broad development prospect for its giant reserves and wide distributions on the Earth. In 2013, Japan carried out the world’s first experiment of subsea natural gas hydrate exploitation in Nankai Trough and produced the natural gas, which proved the feasibility of subsea natural gas hydrate exploitation. The paper first compared the traditional methods (depressurization method, thermal excitation method, etc.) with those new methods (CO2 replacement method, solid mining method, etc.), all of which are applicable into the exploitation of subsea natural gas hydrate. Then, this paper analyzed Japan’s subsea natural gas hydrate experimental production in Nankai Trough. Finally, it made some future prospects of subsea natural gas hydrate exploitation technology and put forward some suggestions to future research emphasis.
Keywords: subsea; natural gas hydrate; exploitation technology; experimental production
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