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学科主题: Geochemistry & Geophysics
题名: Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea
作者: Yang, R ; Yan, P ; Wu, NY ; Sha, ZB ; Liang, JQ
通讯作者: yangrui@ms.giec.ac.cn
关键词: South China Sea ; gas hydrates ; AVO analysis ; free gas ; BSRs
刊名: ACTA GEOPHYSICA
发表日期: 2014
卷: 62, 期:4, 页:802-817
收录类别: sci
部门归属: [Yang, Rui ; Yan, Pin] Chinese Acad Sci, Key Lab Marginal Sea Geol, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China ; [Yang, Rui ; Wu, Nengyou] Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou Inst Energy Convers, Guangzhou, Guangdong, Peoples R China ; [Yang, Rui] Univ Chinese Acad Sci, Beijing, Peoples R China ; [Sha, Zhibin ; Liang, Jinqiang] Guangzhou Marine Geol Survey, Guangzhou, Guangdong, Peoples R China
项目归属: 海洋地质
资助者: National Natural Science Foundation of China [41206047, U0933004, 41376062]; Science and Technology Project of Guangdong Province [2011A080403021]; Knowledge Innovation Program of Chinese Academy of Sciences [KGCX2-YW-805]; Ministry of Land and Resources of China [200811014]
摘要: Amplitude versus offset (AVO) analysis is a conventional seismic exploration technique in geophysical and lithological interpretation and has been widely used in onshore and offshore exploration. Its use in marine gas hydrate research, however, is still in initial stages. In this study, AVO analysis is applied to seismic profiles at drilling sites where hydrate samples have been recovered. The AVO responses of free gas, bottom simulating reflector (BSRs), and gas hydrates are discussed, and the AVO attributes in relation to gas hydrates are summarized. The results show that changes in intercept, gradient, fluid factor and Poisson's ratio clearly reflect: (i) location of free gas and the BSR, and (ii) spatial relations between blank zone, BSR, gas hydrate, and free gas.
原文出处: 查看原文
WOS记录号: WOS:000336276800006
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10612
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Yang, R; Yan, P; Wu, NY; Sha, ZB; Liang, JQ.Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea,ACTA GEOPHYSICA,2014,62(4):802-817
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