| 天然气水合物BSR的影响因素分析 |
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| 引用本文： | 姜辉,岑芳,于兴河. 天然气水合物BSR的影响因素分析[J]. 天然气工业, 2008, 28(1): 64-66. DOI: 10.3787/j.issn.1000-0976.2008.01.016 |
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| 作者姓名： | 姜辉 岑芳 于兴河 |
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| 作者单位： | 1．中国石化集团国际石油勘探开发有限公司；2．中国石化石油勘探开发研究院；３．中国地质大学·北京 |
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| 基金项目： | 中国地质调查局地质调查项目 , 科技部国际科技合作计划 |
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| 摘 要： | 似海底反射层（BSR）是天然气水合物存在的典型标志，但它与水合物的关系并非一一对应。BSR的连续追踪和准确识别与频宽关系密切，适合的频宽使得识别效果清晰、稳定和突出。研究认为，影响BSR发育的主要因素包括：其下伏的游离气、层序界面/海泛面、水合物沉积层厚度等；进而对上述3种因素与BSR发育的关系做了初步的定量分析。除此之外，BSR的判别及使用具有一定的局限性，应控制在适当的范围内谨慎使用。
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| 关 键 词： | 天然气 水合物 海洋地震勘探 反射层 频率 环境影响 |
| 收稿时间： | 2007-10-19 |
INFLUENCING FACTORS OF BSR IN GAS HYDRATES |
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| JIANG Hui,CEN Fang,YU Xing-he. INFLUENCING FACTORS OF BSR IN GAS HYDRATES[J]. Natural Gas Industry, 2008, 28(1): 64-66. DOI: 10.3787/j.issn.1000-0976.2008.01.016 |
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| Authors: | JIANG Hui CEN Fang YU Xing-he |
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| Affiliation: | 1.SINOPEC International Petroleum Exploration and Production Corporation ; 2.SINOPEC Exploration & Development Research Institute; 3.School of Energy Resources, China University of Geosciences·Beijing |
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| Abstract: | BSR is a typical symbol for the existence of gas hydrates, but it is not completely corresponding with the latter. The continuous tracing and accurate identification of BSR have close contact with seismic frequency. Appropriate seismic frequency brings out identifying effects clearly, steadily and outstandingly. There are several influencing factors of BSR including lower free gas, sequence boundary/flooding surface, depositional thickness of gas hydrate, and so on. This paper emphasizes three among those above mentioned influencing factors for primary quantitative analysis. Besides, the discrimination and utilization of BSR is restrictive. So, it should be used carefully within the confines of certain scope. |
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