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Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea
Yang, Rui1,2,3; Yan, Pin1; Wu, Nengyou2; Sha, Zhibin4; Liang, Jinqiang4
2014-08-01
Source PublicationACTA GEOPHYSICA
Volume62Issue:4Pages:802-817
AbstractAmplitude 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.
SubtypeArticle
KeywordSouth China Sea Gas Hydrates Avo Analysis Free Gas Bsrs
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.2478/s11600-013-0193-2
WOS Subject ExtendedGeochemistry & Geophysics
WOS KeywordSEISMIC DATA ; SEDIMENTS ; INVERSION ; MARGIN ; BASIN ; RATIO ; ZONE ; BSR
Indexed BySCI
Language英语
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000336276800006
Citation statistics
Document Type期刊论文
Identifierhttp://ir.giec.ac.cn/handle/344007/10693
Collection中国科学院广州能源研究所
Affiliation1.Chinese Acad Sci, Key Lab Marginal Sea Geol, South China Sea Inst Oceanol, Guangzhou, Guangdong, Peoples R China
2.Chinese Acad Sci, Guangzhou Ctr Gas Hydrate Res, Guangzhou Inst Energy Convers, Guangzhou, Guangdong, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Guangzhou Marine Geol Survey, Guangzhou, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Yang, Rui,Yan, Pin,Wu, Nengyou,et al. Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea[J]. ACTA GEOPHYSICA,2014,62(4):802-817.
APA Yang, Rui,Yan, Pin,Wu, Nengyou,Sha, Zhibin,&Liang, Jinqiang.(2014).Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea.ACTA GEOPHYSICA,62(4),802-817.
MLA Yang, Rui,et al."Application of AVO analysis to gas hydrates identification in the northern slope of the South China Sea".ACTA GEOPHYSICA 62.4(2014):802-817.
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