GEOPHYSICAL SURVEYING
    1.
    发明申请
    GEOPHYSICAL SURVEYING 有权
    地球物理勘测

    公开(公告)号:US20140102694A1

    公开(公告)日:2014-04-17

    申请号:US13650920

    申请日:2012-10-12

    IPC分类号: G01V1/00 E21B49/00

    摘要: A computer-implemented method for processing a seismic trace of a subterranean region comprising: (a) deriving a seismic wavelet for a time-window of seismic trace; (b) generating a model for the subterranean region corresponding to that time-window comprising a plurality of seismic reflectors by comparing the seismic wavelet with the time-window of the seismic trace to identify locations for the seismic reflectors, wherein the locations of the seismic reflectors are subject to a separation constraint requiring neighboring seismic reflectors to be separated by at least a minimum separation threshold which is greater than a separation corresponding to a sampling interval for the seismic trace; (c) defining a model seismic wavelet having a model seismic wavelet amplitude spectrum with a frequency bandwidth which is greater than that of the seismic wavelet amplitude spectrum determined for the time-window of the seismic trace; and (d) generating a model of the time-window of the seismic trace for the subterranean region based on the plurality of seismic reflectors of the model for the subterranean region corresponding to that time window and the model seismic wavelet.

    摘要翻译: 一种用于处理地下地震的地震迹线的计算机实现的方法,包括:(a)导出地震波的时间窗的地震小波; (b)通过将地震小波与地震轨迹的时间窗口进行比较来识别包括多个地震反射器的时间窗对应的地下区域的模型,以识别地震反射器的位置,其中地震的位置 反射器经受分离约束,要求相邻的地震反射器至少被分开至少一个最小分离阈值,该最小分离阈值大于对应于地震迹线的采样间隔的间隔; (c)定义具有频率带宽大于地震轨迹时间窗确定的地震小波振幅谱的模型地震小波振幅谱的模型地震小波; 以及(d)基于与该时间窗口对应的地下区域的模型的多个地震反射器和模型地震小波,生成用于地下区域的地震轨迹的时间窗口的模型。

    Geophysical surveying
    2.
    发明授权
    Geophysical surveying 有权
    地球物理测量

    公开(公告)号:US09268047B2

    公开(公告)日:2016-02-23

    申请号:US13650920

    申请日:2012-10-12

    IPC分类号: G01V1/28 G01V1/00 E21B49/00

    摘要: A computer-implemented method for processing a seismic trace of a subterranean region comprising: (a) deriving a seismic wavelet for a time-window of seismic trace; (b) generating a model for the subterranean region corresponding to that time-window comprising a plurality of seismic reflectors by comparing the seismic wavelet with the time-window of the seismic trace to identify locations for the seismic reflectors, wherein the locations of the seismic reflectors are subject to a separation constraint requiring neighboring seismic reflectors to be separated by at least a minimum separation threshold which is greater than a separation corresponding to a sampling interval for the seismic trace; (c) defining a model seismic wavelet having a model seismic wavelet amplitude spectrum with a frequency bandwidth which is greater than that of the seismic wavelet amplitude spectrum determined for the time-window of the seismic trace; and (d) generating a model of the time-window of the seismic trace for the subterranean region based on the plurality of seismic reflectors of the model for the subterranean region corresponding to that time window and the model seismic wavelet.

    摘要翻译: 一种用于处理地下地震的地震迹线的计算机实现的方法,包括:(a)导出地震波的时间窗的地震小波; (b)通过将地震小波与地震轨迹的时间窗口进行比较来识别包括多个地震反射器的时间窗对应的地下区域的模型,以识别地震反射器的位置,其中地震的位置 反射器经受分离约束,要求相邻的地震反射器至少被分开至少一个最小分离阈值,该最小分离阈值大于对应于地震迹线的采样间隔的间隔; (c)定义具有频率带宽大于地震轨迹时间窗确定的地震小波振幅谱的模型地震小波振幅谱的模型地震小波; 以及(d)基于与该时间窗口对应的地下区域的模型的多个地震反射器和模型地震小波,生成用于地下区域的地震轨迹的时间窗口的模型。