Method for Generating Multiple Free Seismic Images
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    发明申请
    Method for Generating Multiple Free Seismic Images 审中-公开
    多重自​​由地震图像生成方法

    公开(公告)号:US20160356903A1

    公开(公告)日:2016-12-08

    申请号:US15071393

    申请日:2016-03-16

    IPC分类号: G01V1/28 G01V1/38 G01V1/30

    摘要: A method, including: storing, in a computer storage device, geophysical seismic data that has been separated into a multiple-free component and a multiple contaminated component; performing, with a processor, a first full wavefield inversion process on the multiple-free component of the seismic data, wherein a first subsurface physical property model is generated; determining, with a processor, an extended target reflectivity, wherein the extended target reflectivity includes a reflectivity for each of a plurality of shots; separately performing, with a processor, a second full wavefield inversion process with the multiple contaminated component of the seismic data for each of the plurality of shots using the reflectivity corresponding to each of the plurality of shots, wherein a second subsurface physical property model is generated; and generating, with a processor, multiple-free final subsurface physical property model by combining the first subsurface physical property model and the second subsurface physical property model.

    摘要翻译: 一种方法,包括:在计算机存储装置中存储已经分离成多自由分量和多重污染分量的地球物理地震数据; 利用处理器对所述地震数据的多自由分量进行第一全波场反演处理,其中产生第一次地下物理属性模型; 使用处理器确定扩展的目标反射率,其中所述扩展的目标反射率包括多个镜头中的每一个的反射率; 使用与多个拍摄中的每一个相对应的反射率,利用处理器分别执行与多个拍摄中的每一个相同的地震数据的多重污染分量的第二全波场反演处理,其中产生第二次下表面物理属性模型 ; 并通过组合第一次地下物理属性模型和第二次地下物理属性模型,通过处理器生成多个无限次的最终地下物理属性模型。