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利用三维地震勘探技术勘查煤矿采空区

THE APPLICATION OF THREE-DIMENSIONAL EXPLORATION TECHNOLOGY TO INTERPRETING COALFIELD GOAF

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【作者】 曹丽丹

【Author】 CAO Li-Dan (Shanxi Institute of Coal Geology and Geophysical Surveying and Mapping,Jinzhong 030600,China)

【机构】 山西省煤炭地质物探测绘院

【摘要】 在煤矿生产过程中,随着煤层的被开采挖掘,地下会形成越来越多的采空区,采空区及其上部地层的地球物理性质也随之发生了显著变化,而地震勘探能有效地解决地下物性差异明显的构造。笔者利用三维地震勘探技术对采空区的反射波特征进行了分析,总结地震数据采集工作中影响采空区分辨率的因素,以及采空区资料处理中的关键技术。通过煤矿实际开采验证,证明了三维地震勘探技术对采空区的勘探是可行的、有效的。

【Abstract】 With the exploitation of the coal seam during coal production,more and more underground goaf areas will occur,and the geophysical properties of the goaf and its overlying strata will obviously change correspondingly.Seismic exploration can effectively distinguish structures with obvious differences in physical character.Using the three-dimensional seismic exploration technology,the author analyzed the reflection wave characteristics of the goaf,summed up the factors affecting the resolution in seismic data acquisition and the key technique for goaf data processing.Exploitation verification shows that the three-dimensional seismic technology is feasible and effective in goaf exploration.

  • 【文献出处】 物探与化探 ,Geophysical and Geochemical Exploration , 编辑部邮箱 ,2012年S1期
  • 【分类号】P631.4
  • 【被引频次】4
  • 【下载频次】109
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