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qP wave numerical simulation in viscoelastic VTI media by one-way wave equation

XUE CHEN1 ,  LIGUO HAN1 ,  HELONG YANG1 ,  SHUAI SHANG2
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1 Jilin University, 127 Dizhigong, 938 Ximinzhu St., Changchun, P.R. China.,
2 Tarim Oilfield Ltd. CNPC, 1201 Tuzhi Apt., Shishua Av., Korla, Xinjiang, P.R. China.,
JSE 2015, 24(5), 439–454;
Submitted: 29 July 2014 | Accepted: 23 August 2015 | Published: 1 November 2015
© 2015 by the Authors. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )
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Abstract

Chen, X., Han, L., Yang, H. and Shang, S., 2015. qP wave numerical simulation in viscoelastic VTI media by one-way wave equation. Journal of Seismic Exploration, 24: 439-454. Theoretical and practical studies show that the subsurface media has not only the anisotropic properties but also the anelastic properties. These properties are commonly denoted by the viscoelastic model. The conventional elastic isotropic seismic wavefield simulation could not provide sufficient foundations for the modern acquisition, processing and interpretation of the seismic data. In this article, we proposed a new qP wavefield modeling method in the viscoelastic VTI media by using the one-way wave equation. The one-way wave equation method can simulate the seismic reflection wavefield fast and accurately even in complex structure areas. The method has many advantages compared with the full-way wave equation method especially in the large-scale simulation problems, such as high calculating efficiency, low memory requirement and no interference of direct and multiple waves.

Keywords
viscoelasticity
anisotropy
one-way wave equation
numerical simulation
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Journal of Seismic Exploration, Print ISSN: 0963-0651, Published by AccScience Publishing
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