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    • 7. 发明申请
    • CORRECTING GEOMETRY-RELATED TIME AND AMPLITUDE ERRORS
    • 纠正与几何相关的时间和幅度误差
    • WO2012005921A3
    • 2012-03-29
    • PCT/US2011040705
    • 2011-06-16
    • GECO TECHNOLOGY BVSCHLUMBERGER CA LTDDRAGOSET WILLIAM HENRY JRMOORE IAN
    • DRAGOSET WILLIAM HENRY JRMOORE IAN
    • G01V1/36G01V1/24G01V1/38
    • G01V1/28G01V1/36G01V2210/56
    • A method for predicting a plurality of surface multiples for a plurality of target traces in a record of seismic data acquired in a survey area. The method includes selecting a target trace and identifying two or more desired traces for multiple prediction based on the target trace. After identifying the desired traces, the method identifies one or more recorded traces for each desired trace. Each identified recorded trace is described as being substantially close to one of the desired traces. The method then includes correcting the identified recorded traces for one or more geometry-related effects associated with the survey area and convolving the corrected recorded traces to generate a plurality of convolutions. After convolving the corrected recorded traces, the method then stacks the convolutions.
    • 一种用于在勘测区域中获取的地震数据的记录中预测多个目标轨迹的多个表面倍数的方法。 该方法包括选择目标轨迹并基于目标轨迹识别用于多次预测的两个或更多个期望轨迹。 在识别出期望的迹线之后,该方法为每个期望的迹线识别一个或多个记录的迹线。 每个识别的记录迹线被描述为基本上接近所需迹线之一。 该方法然后包括为与勘测区域相关联的一个或多个几何相关效应校正所识别的记录迹线并且卷积校正的记录迹线以生成多个卷积。 在对修正的记录轨迹进行卷积之后,该方法将卷积进行叠加。
    • 9. 发明申请
    • INTERPOLATION OF PERIODIC DATA
    • 插值周期性数据
    • WO2011094297A3
    • 2011-12-22
    • PCT/US2011022557
    • 2011-01-26
    • GECO TECHNOLOGY BVSCHLUMBERGER CA LTDMOORE IAN
    • MOORE IAN
    • G06F19/00G06F17/10
    • G06F17/17G01V1/28G01V2210/57
    • A method for interpolating data. The method includes receiving data acquired at one or more locations where the data represents subterranean formations in the earth. The method also includes selecting one or more of the locations such that the selected locations are within a vicinity of an interpolation location. Next, the method includes forming a matrix of interpolation coefficients based on a first function having one or more interpolation variables, a bandwidth for an interpolation operator and one or more differences between the selected locations, wherein at least one of the interpolation variables is periodic. The method then includes forming a differences vector based on a second function having the interpolation variables, the bandwidth and one or more differences between the selected locations and the interpolation location. Using the matrix of interpolation coefficients and the differences vector, the method then forms an interpolation operator vector by applying an inverse of the matrix of interpolation coefficients to the differences vector. The method then estimates a data value for the interpolation location using the interpolation operator vector.
    • 一种内插数据的方法。 该方法包括接收在数据代表地球中的地下地层的一个或多个位置处获取的数据。 该方法还包括选择一个或多个位置,使得所选择的位置在内插位置附近。 接下来,该方法包括基于具有一个或多个内插变量的第一函数,用于内插算子的带宽以及所选择的位置之间的一个或多个差异来形成内插系数矩阵,其中至少一个内插变量是周期性的。 该方法然后包括基于具有插值变量,带宽以及所选位置与插值位置之间的一个或多个差异的第二函数形成差异向量。 使用内插系数矩阵和差异向量,该方法然后通过将内插系数矩阵的逆应用于差异向量来形成内插运算符向量。 该方法然后使用内插运算符矢量来估计内插位置的数据值。