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LOW-FREQUENCY SEISMIC SURVEY DESIGN

机译:低频地震勘测设计

摘要

A method, and system to implement the process, of selecting a plurality of sets of source and receiver locations over a survey area, modeling on a subsurface attribute model of a subterranean region each source and receiver pair of the plurality of sets of source and receiver locations to generate low frequency seismic data, performing a reverse time migration on the low frequency seismic data to reposition diving wave energy of each source and receiver pair of the plurality of sets of source and receiver locations to generate a diving wave illumination image, extracting seismic amplitudes from the diving wave illumination image at a region of interest, and computing a contribution of a respective diving wave from each source and receiver pair of the plurality of sets of source and receiver locations to diving waves passing through the region of interest.
机译:一种实现该过程的方法和系统,该方法和系统选择调查区域上的多个源和接收器位置集合,在地下区域的地下属性模型上建模,该多个区域的源和接收器对中的每个源和接收器对位置以生成低频地震数据,对低频地震数据执行反向时间偏移,以重新定位多个源和接收器位置集合中每个源和接收器对的潜水波能量,以生成潜水波照明图像,提取地震从感兴趣区域处的潜水波照明图像得到幅值,并计算来自多个源和接收机位置组的每个源和接收机对的相应潜水波对通过感兴趣区域的潜水波的贡献。

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