| 海上E区天然气水合物地质、地震、地球化学特征综合研究与成藏远景预测 |
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| 引用本文： | 孙春岩,牛滨华,文鹏飞,黄永样,王宏语,黄新武,李佳.海上E区天然气水合物地质、地震、地球化学特征综合研究与成藏远景预测[J].地球物理学报,2004,47(6):1076-1085. |
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| 作者姓名： | 孙春岩 牛滨华 文鹏飞 黄永样 王宏语 黄新武 李佳 |
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| 作者单位： | 1.中国地质大学工程技术学院，北京 100083 2 中国地质大学地球探测与信息技术学院，北京 100083 3 广州海洋地质调查局，广州 510760 |
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| 基金项目： | 国家 8 63计划 ( 2 0 0 1AA6110 2 0 )，国家基础研究发展规划 (G2 0 0 0 470 5 )资助 |
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| 摘 要： | 本文提出一种将地质、地震、地球化学分析相结合的方法，以研究海区天然气水合物的成藏条件，首先用物源、构造、沉积和地温等资料进行地质分析，确定海区天然气水合物成藏的地质条件；然后根据对水合物的地震属性（BSR，AVO，BZ等）分析和正演模拟研究，预测水合物及其游离气的存在，结合地质条件，圈定出水合物成藏的有利区带；最后结合对水合物主要成分（甲烷及烃类等）的地球化学异常分析，对研究区天然气水合物成藏的远景作出评价．野外实践结果表明，这种综合研究方法是有效可行的，为海区天然气水合物勘探提供了一种新的研究途径．
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| 关 键 词： | 海区 天然气水合物 成藏 地震属性 地球化学异常 |
| 文章编号： | 0001-5733(2004)06-1076-10 |
| 收稿时间： | 2003-10-16 |
| 修稿时间： | 2004-7-8 |
AN INTEGRATED STUDY METHOD FOR EXPLORATION OF GAS HYDRATE RESERVOIRS IN MARINE AREAS |
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| SUN Chun-Yan NIU Bin-Hua WEN Peng-Fei HUANG Yong-Yang WANG Hong-Yu HUANG Xin-Wu LI Jia School of Technology and Engineering,China University of Geosciences,Beijing ,China School of Geophysics and Information Technology,China University of Geosciences,Beijing ,China Bureau of Marine Geology,Guangzhou ,China.AN INTEGRATED STUDY METHOD FOR EXPLORATION OF GAS HYDRATE RESERVOIRS IN MARINE AREAS[J].Chinese Journal of Geophysics,2004,47(6):1076-1085. |
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| Authors: | SUN Chun-Yan NIU Bin-Hua WEN Peng-Fei HUANG Yong-Yang WANG Hong-Yu HUANG Xin-Wu LI Jia School of Technology and Engineering China University of Geosciences Beijing China School of Geophysics and Information Technology China University of Geosciences Beijing China Bureau of Marine Geology Guangzhou China |
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| Institution: | １ School of Technology and Engineering,China University of Geosciences，Beijing 100083，China 2 School of Geophysics and Information Technology,China University of Geosciences,Beijing 100083,China 3 Bureau of Marine Geology,Guangzhou 510760,China |
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| Abstract: | We propose an integrated study method for exploration of gas hydrate reservoirs in marine areas.This method combines analyses of geology,seismology,and geochemistry.First,geological analysis is made using data of material sources,structures,sediments,and geothermal regimes to determine the hydrocarbon-formation conditions of gas hydrate in marine areas.Then analyses of seismic attributes,such as BSR,AVO,and BZ as well as forward modeling are conducted to predict the potential existence of hydrate and its free gas.In conjunction with geological conditions,the hopeful zones of gas hydrate reservoirs can be estimated.Finally,based on the analysis of geochemical anomalies to the main components,such as methane and hydrocarbon series,an integrated assessment of prospective gas hydrate reservoirs in study areas can be performed.Results of field practice show that this integrated method is effective and feasible.It provides a new research approach for exploration of gas hydrate reservoirs in marine areas. |
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| Keywords: | Marine area Gas hydrate Reservoir Seismic attribute Geochemical anomaly |
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