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    • 6. 发明公开
    • Determining a position of a geological layer relative to a wavelet response in seismic data
    • 在地震数据中确定地质层相对于小波响应的位置
    • EP2420863A3
    • 2017-08-09
    • EP11177448.5
    • 2011-08-12
    • Services Pétroliers SchlumbergerLogined B.V.
    • Peirle, Thomas
    • G01V1/30G01V1/28
    • G01V1/28G01V1/282G01V1/301G01V2210/614G01V2210/67
    • Determining geological layer location in a subterranean formation, including receiving seismic data representing an interaction of the geological layer with propagation of a seismic wave, identifying a source wavelet representing a portion of the seismic wave impinging on a boundary of the geological layer, providing a geological layer template of the geological layer including primary and secondary reflection interfaces associated with reflectivity based on material properties of the geological layer, generating a wavelet response template by applying the source wavelet to the geological layer template using a mathematical convolution operation to model seismic wave interference caused by the primary and secondary reflection interfaces, identifying an extremum of the seismic data, and determining, based on the extremum, the location of the geological layer in the subterranean formation using the wavelet response template.
    • 确定地下地层中的地质层位置,包括接收表示地质层与地震波传播的相互作用的地震数据,识别表示冲击地质层边界的地震波的一部分的源小波,提供地质层 包括基于地质层的材料特性与反射率相关联的主要和次要反射界面的地层的多层模板,通过使用数学卷积运算将源小波应用于地质层模板以生成小波响应模板,以模拟所引起的地震波干扰 通过主要和次要反射界面识别地震数据的极值,并且基于极值使用小波响应模板确定地层中地质层的位置。