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    • 100. 发明申请
    • PROCESSING GEOPHYSICAL DATA
    • 加工地质数据
    • WO2011110917A2
    • 2011-09-15
    • PCT/IB2011/000463
    • 2011-03-03
    • GECO TECHNOLOGY B.V.SCHLUMBERGER CANADA LIMITEDSCHLUMBERGER SEACO, INC.THOMSON, Colin
    • THOMSON, Colin
    • G01V1/28G01V3/38G06F19/00
    • G01V1/28G01V2210/51G01V2210/57
    • The present invention relates to a method of processing seismic data and other geophysical data such as acoustic or electromagnetic data. In particular the method is applicable to seismic data extrapolation and migration techniques such as, for example, one-way and two-way wave-equation migration. The method comprises determining, in the space-time domain, an integral of the product of a kernel and a function of the geophysical data over an integration domain from the values of the function at a plurality of discrete data points within the integration domain by defining a plurality of cells in the integration domain, each vertex of a cell being at a respective one of the data points; obtaining an interpolant of the function over a selected cell using local interpolation; and integrating, in the space-time domain, the product of the kernel and the interpolant for the selected cell.
    • 本发明涉及一种处理地震数据和诸如声学或电磁数据的其他地球物理数据的方法。 特别地,该方法适用于地震数据外推和迁移技术,例如单向和双向波动方程迁移。 该方法包括:在时空域中,通过定义集成域内的多个离散数据点处的函数的值,在整合域中确定核的乘积和地球物理数据的函数的积分 集成域中的多个单元,单元的每个顶点位于相应的一个数据点; 使用局部插值获得所选单元上的函数的内插; 并且在空时域中将所选单元的内核和内插器的乘积集成。