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波阻抗是岩石的基本物理特性之一。对地震数据作适当处理,可以把地震道转换成反射系数时间序列,再用适当公式把它换算成波阻抗曲线,这样的波阻抗曲线称虚波阻抗曲线。由于受地震分辨率的限制,它与钻孔中所测数据比较,尽管粗糙一些,但相当于在每一个地震道位置上取得了一条虚波阻抗曲线。一般情况下,煤层与围岩的波阻抗
Wave impedance is one of the basic physical properties of rocks. By properly processing the seismic data, the seismic trace can be converted into a time series of reflection coefficients and then converted into a wave impedance curve by an appropriate formula. Such wave impedance curve is called the virtual wave impedance curve. Due to the resolution of the seismic resolution, compared with the measured data in the borehole, although rough, it is equivalent to obtaining a virtual impedance curve at every seismic trace position. Under normal circumstances, the wave impedance of coal seam and surrounding rock