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    • 1. 发明授权
    • Method of determining properties of the earth
    • 确定地球性质的方法
    • US08395965B2
    • 2013-03-12
    • US12447683
    • 2007-08-21
    • Colin Thomson
    • Colin Thomson
    • G01V1/38G01V1/30
    • G01V1/303
    • There is provided a method of direct waveform inversion of turning waves (311, 312, 313) to determine parameters characterizing properties of the earth or sub-sections of the earth, particularly of parts of the earth which are capable of trapping hydrocarbons with the inversion yielding from the wavefield of turning waves information representing or being equivalent to velocities or slownesses and/or the gradient of velocities or slownesses, particularly by evaluating wavefield data in the vicinity of turning points (33). The method can be applied sequentially as a survey sinking method.
    • 提供了一种转向波(311,312,313)的直接波形反转的方法,以确定表征地球的地球或子部分,特别是地球部分能够捕获碳氢化合物的反应的特性的参数 从表示或相当于速度或慢度的转向波的波场产生和/或速度或慢度的梯度,特别是通过评估转折点附近的波场数据(33)。 该方法可以作为调查沉没法顺序应用。
    • 8. 发明申请
    • PROCESSING GEOPHYSICAL DATA
    • 加工地球物理数据
    • US20130060476A1
    • 2013-03-07
    • US13583601
    • 2011-03-03
    • Colin Thomson
    • Colin Thomson
    • G01V1/30G06F17/10
    • 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其他地球物理数据的方法,例如声学或电磁数据。 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。 该方法包括在空间时域中,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与地球物理数据的函数的积分 在整合域中的多个单元,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小区上的函数的内插; 并且在时空域中整合所选单元的内核和内插器的乘积。