A study of three-component seismic exploration in plateau permafrost region
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摘要: 三分量地震勘探是一种综合利用纵波和转换波进行精细构造探测的有效方法技术,转换波成像剖面具有较高的分辨率,可以识别小断层、小构造等地质现象。笔者结合在西藏羌塘盆地开展的三分量地震探测方法技术试验,初步对三分量地震勘探的数据采集方法、资料处理及对比解释技术进行了探讨和研究,验证了该方法在永久冻土区的有效性,取得了较好的试验效果。对今后在青藏高原开展多波多分量地震勘探方法技术的应用与研究有一定的借鉴作用。Abstract: Three?component seismic exploration is an effective method for the utilization of P?wave and converted?wave to detect fine structures.With this method,converted?wave imaging profiles have high resolution,and small geological structures such as small faults and small structures can be identified.In this paper,based on the application experiments of three?component seismic exploration tech?nology in Qiangtang basin of Tibet,the authors investigated the three?component seismic data acquisition method,converted?wave data processing technology and comparative interpretation method,and the results achieved prove the effectiveness of this method.This paper has certain reference value for the application and study of multi?component seismic exploration technology in plateau permafrost area in the future.
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