| 煤层陷落柱的三维地震槽波正演模拟 |
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| 引用本文： | 余为维,冯磊,杜艳艳,李朝旭. 煤层陷落柱的三维地震槽波正演模拟[J]. 煤炭技术, 2019, 0(3): 73-76 |
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| 作者姓名： | 余为维 冯磊 杜艳艳 李朝旭 |
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| 作者单位： | 中国地质大学(北京)地球物理与信息技术学院;河南理工大学资源环境学院;中原经济区煤层(页岩)气河南省协同创新中心;河南省地质矿产勘查开发局第三地质勘查院 |
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| 基金项目： | 河南省科技公关项目(172102310722);河南省自然科学基金(182300410125);中央高校基本科研业务费优秀导师基金项目(2652017437) |
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| 摘 要： | 采用透射法槽波地震方法对煤层陷落柱进行了三维正演模拟。发现煤层中无陷落柱时,X分量同相轴连续性中断,而Y与Z分量连续性好。当煤层中存在陷落柱时,X分量中央底部形成明显的能量集中区域,在Y与Z分量上出现同相轴中断现象,形成次级槽波。改变炮点位置,陷落柱处的地震槽波能量衰减相对较小,而透射陷落柱后的槽波能量大幅衰减。
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| 关 键 词： | 槽波 透射法 陷落柱 煤层 正演 |
Forward Modeling of 3D Seismic Channel Wave in Coal Seam Subsided Column |
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| YU Wei-wei,FENG Lei,DU Yan-yan,LI Zhao-xu. Forward Modeling of 3D Seismic Channel Wave in Coal Seam Subsided Column[J]. Coal Technology, 2019, 0(3): 73-76 |
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| Authors: | YU Wei-wei FENG Lei DU Yan-yan LI Zhao-xu |
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| Affiliation: | (School of Geophysics and Information Technology, China University of Geosciences(Beijing), Beijing 100083, China;Institute of Resource and Environment,Henan Polytechnic University,Jiaozuo 454000,China;Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region, Henan Province, Jiaozuo 454000, China;The Third Geo-exploration Institute, Henan Bureau of Geo-exploration and Mineral Development, Zhengzhou 451464,China) |
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| Abstract: | YU Wei-wei;FENG Lei;DU Yan-yan;LI Zhao-xu(School of Geophysics and Information Technology, China University of Geosciences(Beijing), Beijing 100083, China;Institute of Resource and Environment,Henan Polytechnic University,Jiaozuo 454000,China;Collaborative Innovation Center of Coalbed Methane and Shale Gas for Central Plains Economic Region, Henan Province, Jiaozuo 454000, China;The Third Geo-exploration Institute, Henan Bureau of Geo-exploration and Mineral Development, Zhengzhou 451464,China) |
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| Keywords: | channel wave transmission method subsided column coal seam forward |
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