First Order Perturbation Approximation of Azimuth Converted Wave Reflection Coefficient of HTI Media

H. Liu, G. Wu, J. Shan, S. Yang
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Abstract

As an important field of unconventional oil and gas exploration, fractured reservoir is equivalent to HTI medium because of the existence of high angle or nearly vertical fractures, which seismic response presents azimuthal anisotropy characteristics. Many scholars have considered the reflection and transmission coefficients of HTI media according to different research purposes. Based on Thomsen's theory, Rüger established an approximate formula for P and SV waves reflection/transmission coefficients in HTI media. (Thomsen,1986; Rüger,1998)
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HTI介质方位角转换波反射系数的一阶微扰近似
裂缝性储层作为非常规油气勘探的重要领域,由于存在高角度或近垂直裂缝,相当于HTI介质,其地震响应呈现方位各向异性特征。许多学者根据不同的研究目的考虑了HTI介质的反射系数和透射系数。r ger基于Thomsen的理论,建立了HTI介质中P波和SV波反射/透射系数的近似公式。(汤姆森,1986;鲁格,1998)
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