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Azimuthal AVO of P-wave at the Boundary between Two TTI Media
- Publisher: European Association of Geoscientists & Engineers
- Source: Conference Proceedings, 78th EAGE Conference and Exhibition 2016, May 2016, Volume 2016, p.1 - 5
Abstract
Summary
3-D P-wave reflection coefficient between two weakly anisotropic TTI media is derived. The approximation is a function of azimuth, incidence, dip angles and anisotropic parameters. Expression is group into intercept, gradient and curvature just like Shuey-three terms, but there is a fourth item called disturbance, which is the function of the gamma, one of Thomsen parameters. The derived formula is not only consistent with the formula of VTI/HTI by Ruger, also demonstrates good accuracy.
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