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南海“神狐型”BSR特征及影响因素

Features and controlling factors of BSR in Shenhu area,South China Sea

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【Author】 Gong Jianming1,2,He Yuhua1,2,Yan Guijing1,2,Yang Chuansheng1,2,Li Gang1,2,Yuan Chunfang3(1.Key Laboratory of Marine Hydrocarbon Resources and Environmental Geology,Ministry of Land and Resources, Qingdao,Shandong 266071,China;2.Qingdao Institute of Marine Geology,Qingdao,Shandong 266071,China; 3.China University of Mining and Technology,Beijing 100083,China)

【机构】国土资源部海洋油气资源与环境地质重点实验室；青岛海洋地质研究所；中国矿业大学；

【摘要】为了深入探讨神狐海域BSR特征及其影响因素,对天然气水合物钻探区高分辨率地震资料进行了精细解释。结果表明,神狐海域天然气水合物与BSR具有较好的对应关系,研究区BSR总体表现出多轴(或不光滑)和连续性较差的特征;BSR振幅强度主要与水合物稳定带之下的游离气有关。结合世界典型水合物发现区BSR特征分析认为,"神狐型"BSR的形成可能主要与不同成因水合物在纵向上的相互叠置有关。更多还原

【Abstract】 The high-resolution seismic reflection profiles from gas hydrate drilling zones of Shenhu area in South China Sea were interpreted precisely so as to analyze the features and the controlling factors of BSR(Bottom Simulating Reflector).It has been concluded that gas hydrate and BSR are closely related.In the study area,BSR is characterized by multi-axes and is discontinuous.The amplitude of BSR is mainly controlled by the free gas underneath the base of gas hydrate stable zone.BSR in Shenhu area might be influenced by the vertical combination of gas hydrates of different origins.更多还原

【关键词】影响因素； BSR特征；神狐海域；南海；
【Key words】 controlling factor； BSR feature； Shenhu area； South China Sea；

【基金】国家自然科学基金项目(40706024);国土资源部海洋油气资源与环境地质重点实验室项目(MRE200805)资助

【文献出处】石油实验地质 ,Petroleum Geology & Experiment , 编辑部邮箱 ,2011年06期

【分类号】P631.44;P744.4
【被引频次】8
【下载频次】343

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