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- W2382694862 abstract "Transverse isotropy (TI) with a vertical symmetry axis (VTI) is the most common model for academic research on anisotropy and prestack imaging of multi-wave and multi-component reflection seismic data. The traveltime-distance curve of reflected P-wave in VTI media is not hyperbolic anymore. Based on different P-wave phase velocity approximations, different traveltime-distance formulae can be deduced. In this paper, we compare several traveltime approximations with exact traveltime obtained by using ray trace method on different anisotropic degree. The results show that Muir's and Stovas's traveltime approximations have large error owing to their overestimation the influence of SV-wave vertical velocity; moreover, that Tsvankin's weak anisotropic traveltime approximation has a little large error when e-δ0; furthermore, that Alkhalifah's traveltime approximation has enough accuracy for strong anisotropy and large offset, which is suitable for seismic data processing." @default.
- W2382694862 created "2016-06-24" @default.
- W2382694862 creator A5080638645 @default.
- W2382694862 date "2005-01-01" @default.
- W2382694862 modified "2023-09-25" @default.
- W2382694862 title "Analysis of P-Wave nonhyperbolic reflection moveout in VTI media" @default.
- W2382694862 hasPublicationYear "2005" @default.
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