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Method for the measurement of multidirectional far-field source signatures from seismic surveys

机译:地震勘测多方向远场震源特征的测量方法

摘要

A method is described for the measurement of multidirectional far-field source signatures from seismic surveys whereby a vertical cable acquisition technique is provided, vertical cable data are acquired, the proper receivers are specified to measure the signature, data are sorted into common selected receiver gathers CSRG, the direct wave within common receiver gather is properly windowed, the angles of each direct path are computed and the amplitude of the signatures is normalized, so as to obtain the multidirectional far-field signatures of the seismic source array having the same characteristics as those that generated the seismic reflections.
机译:描述了一种用于从地震勘测中测量多方向远场震源信号的方法,该方法提供了垂直电缆采集技术,采集了垂直电缆数据,指定了适当的接收器以测量信号,将数据分类到共同选择的接收器集合中CSRG,对公共接收器集合内的直达波进行适当的窗口化,计算每个直达路径的角度并归一化振幅,从而获得具有以下特征的地震震源阵列的多方向远场特征:产生地震反射的那些。

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