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Distribution of gas hydrate stable zones and resource prediction in the qiongdongnan basin of the South China Sea
Chen, DF; Ll, XX; Xia, B; cdf@gig.ac.cn
2004
发表期刊CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION
ISSN0001-5733
卷号47期号:3页码:483-489
摘要Oil and gas prospecting in the Qiongdongnan basin of the South China Sea indicates the potential of plenitudinous natural gases. Seismic sections show the occurrences of diapirs and gas-filled zones that are communicated with seafloor through faults. The blur zones near seafloor on seismic section may suggest gas plumes in seawater. These characteristics are comparatively propitious to hydrate occurrence. A profile of gas hydrate stable zones across the basin slope is constructed by using thermodynamic prediction. Biogenic methane hydrates occur probably in the subsurface where water depth is larger than similar to 600m with similar to 310m of the maximum thickness, and thermogenic gas hydrates occur possibly on the subsurface where water depth is larger than similar to 450m with similar to 410m of the maximum thickness. The gas hydrate of similar to 10 X 10(9)m(3), and the hydrate gas of 1.65 x 10(12) m(3) are estimated in the Qiongdongnan basin of the South China Sea.
部门归属Guangzhou Inst Geochem, Key Lab Marginal Sea Geol, Wushan Guangzhou 510640, Peoples R China; Chinese Acad Sci, S China Sea Inst Oceanol, Wushan Guangzhou 510640, Peoples R China; Chinese Acad Sci, Ctr Gas Hydrate Res, Wushan Guangzhou 510640, Peoples R China; Nanhai W Inst China, Natl Offshore Petr Res Ctr, Zhangjiang Guangdong 524057, Peoples R China
关键词Gas Hydrates Distribution And Occurrence Resource Potential Qiongdongnan Basin South China Sea
学科领域Geochemistry & Geophysics
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收录类别sci
资助项目海洋地质
WOS记录号WOS:000221751100018
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被引频次:31[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/4808
专题中科院边缘海地质重点实验室
通讯作者cdf@gig.ac.cn
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Chen, DF,Ll, XX,Xia, B,et al. Distribution of gas hydrate stable zones and resource prediction in the qiongdongnan basin of the South China Sea[J]. CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,2004,47(3):483-489.
APA Chen, DF,Ll, XX,Xia, B,&cdf@gig.ac.cn.(2004).Distribution of gas hydrate stable zones and resource prediction in the qiongdongnan basin of the South China Sea.CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION,47(3),483-489.
MLA Chen, DF,et al."Distribution of gas hydrate stable zones and resource prediction in the qiongdongnan basin of the South China Sea".CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION 47.3(2004):483-489.
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