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    • 26. 发明申请
    • TRANSMISSION COEFFICIENT METHOD FOR AVO SEISMIC ANALYSIS
    • 用于AVO地震分析的传输系数方法
    • US20140324354A1
    • 2014-10-30
    • US13873118
    • 2013-04-29
    • KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS
    • ABDULLATIF ABDULRAHMAN SHUHAIL AL-SHUHAILAFEEZ KOLA POPOOLA
    • G01V1/30
    • G01V1/307G01V2210/632
    • The transmission coefficient method for AVO (amplitude variation with offset) seismic analysis computes incident-to-transmitted pressure wave and incident-to-transmitted shear wave data in a manner that is compatible with existing AVO applications for analysis on the transmission coefficients of VSP data. Amplitude variation with offset (AVO) computation techniques known in the art provide estimates of pressure wave, shear wave and pseudo-Poisson's reflectivity. Such estimates are based on the Aki-Richards approximation of Zoeppritz's formulation of reflection amplitude and polarity variation with respect to incidence angle. The Zoeppritz equations describe the amplitudes of body waves when incident on an interface, resulting in a scattering matrix in which all possible incident and generated modes are addressed. The present method further simplifies the Aki and Richards computations to facilitate further AVO analysis.
    • AVO(偏移振幅变化)的传输系数法以与现有AVO应用兼容的方式计算入射到传输的压力波和入射到传输的剪切波数据,用于分析VSP数据的传输系数 。 本领域已知的具有偏移(AVO)计算技术的幅度变化提供压力波,剪切波和伪泊松反射率的估计。 这样的估计是基于Zoeppritz关于入射角的反射幅度和极性变化公式的Aki-Richards近似。 Zoeppritz方程描述了当入射到界面时体波的幅度,导致散射矩阵,其中所有可能的入射和产生模式被解决。 本方法进一步简化了Aki和Richards计算,以便于进一步的AVO分析。