| 海洋天然气水合物的地震识别方法研究 |
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| 引用本文： | 马在田,耿建华,董良国,宋海斌.海洋天然气水合物的地震识别方法研究[J].海洋地质与第四纪地质,2002,22(1):1-8. |
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| 作者姓名： | 马在田 耿建华 董良国 宋海斌 |
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| 作者单位： | 1. 同济大学,海洋地质教育部重点实验室,上海,200092
2. 中国科学院,地质与地球物理研究所,北京,100101 |
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| 基金项目： | 国家“8 6 3”计划 82 0主题资助项目 |
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| 摘 要： | 天然气水合物作为21世纪新的自然能源将为人类的生存发展服务。20世纪60年代证实，俄罗斯西伯利亚的麦索亚哈气田为典型的天然气水合物形成的气田，70年代又在海底发现了固体天然气水合物岩样。1971年，RStoll首先将地震剖面中的似海底反向层解释为海洋天然气水合物存在的标志，后来被深海钻探证实，从此地震方法成为大面积研究天然气水合物的重要手段。天然气水合物既是潜在能源，也是影响环境和形成灾害的因素之一，因此，研究天然气水合物是人类在21世纪的重要课题。探讨海洋天然气水合物的地震识别方法，由于这项工作刚刚起步，还没有做出具体的成果，在此只能根据我们仅有的工作和参照国外分开的出版物，以及出国访问得到的有关资料进行分析，提出我们的一些基本设想，与各位专家探讨。
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| 关 键 词： | 天然气水合物 地震观测 BSR 识别方法 海洋 |
| 文章编号： | 0256-1492(2002)01-0001-08 |
| 修稿时间： | 2001年12月18 |
SEISMIC RECOGNITION STUDIES ON MARINE GAS HYDRATE |
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| MA Zai-tian ,GENG Jian-hua ,DONG Liang-guo ,SONG Hai-bin.SEISMIC RECOGNITION STUDIES ON MARINE GAS HYDRATE[J].Marine Geology & Quaternary Geology,2002,22(1):1-8. |
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| Authors: | MA Zai-tian GENG Jian-hua DONG Liang-guo SONG Hai-bin |
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| Institution: | MA Zai-tian 1,GENG Jian-hua 1,DONG Liang-guo 1,SONG Hai-bin 2 |
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| Abstract: | Gas hydrate is to support the survival and development of human beings as a new natural energy for the 21st century. It was proven in 1960's, that Messoyakha, a large gas field in Siberia of Russia was a typical field composed of natural gas hydrate, and in 1970's, solid gas hydrate samples were collected from seafloor. In 1971, R Stoll for the first time interpreted BSR (bottom simulating reflector) in seismic sections as the marker of the existence of marine gas hydrate, and the interpretation was confirmed by the following deep-sea drillings. And from then on, this seismic method has become important means to study natural gas hydrate in wide area. Recognition methods of gas hydrate are represented by BSR recognition technique, seismic parameter inversion study, seismic digital modeling and physical modeling, reserves estimation and data hi-fi processing. These methods are interdependent and controlling on each other and can be taken as integration. If we pay much attention to individual method and neglect the comprehensive study done by the integration, the effectiveness of the seismic recognition will be limited. According to some preliminary results got from researching processes, sea areas favorable for the formation of gas hydrate in China are the Okinawa Trough in the East China Sea, area off eastern coast of Taiwan, continental margin in the north of the South China Sea and the Nansha Trough. The present studies, however, are just at the beginning and needed to be proven. Much work should be done to innovate on traditional behaviors and not to exactly follow foreign models and China's own specialties should be considered. |
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| Keywords: | gas hydrate seismic detection BSR recognition method |
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