Propagating seismic waves in VTI attenuating media using fractional viscoelastic wave equation

N Wang, G Xing, T Zhu, H Zhou… - Journal of Geophysical …, 2022 - Wiley Online Library
Seismic velocity and attenuation anisotropy are ubiquitous in the crust and upper mantle,
significantly modulating the characteristics of seismic wave propagation in the Earth's …

Attenuation compensation and anisotropy correction in reverse time migration for attenuating tilted transversely isotropic media

X Mu, J Huang, Z Li, Y Liu, L Su, J Liu - Surveys in Geophysics, 2022 - Springer
The propagation of seismic waves in attenuating and anisotropic earth media is
accompanied by amplitude attenuation and phase distortion. If these adverse effects are not …

Modeling Frequency‐Independent Q Viscoacoustic Wave Propagation in Heterogeneous Media

G Xing, T Zhu - Journal of Geophysical Research: Solid Earth, 2019 - Wiley Online Library
Quantifying the attenuation of seismic waves propagating in the Earth interior is critical to
study the subsurface structure. Previous studies have proposed fractional anelastic wave …

A time-domain complex-valued wave equation for modelling visco-acoustic wave propagation

J Yang, H Zhu - Geophysical journal international, 2018 - academic.oup.com
In this paper, we derive a time-domain complex-valued wave equation for modelling visco-
acoustic wave propagation in frequency-independent Q media. Starting from the frequency …

Modeling viscoacoustic wave propagation using a new spatial variable-order fractional Laplacian wave equation

X Mu, J Huang, L Wen, S Zhuang - Geophysics, 2021 - library.seg.org
We have developed a new time-domain viscoacoustic wave equation for simulating wave
propagation in anelastic media. The new wave equation is derived by inserting the complex …

Viscoacoustic reverse time migration using a time-domain complex-valued wave equation

J Yang, H Zhu - Geophysics, 2018 - library.seg.org
During seismic wave propagation, intrinsic attenuation inside the earth gives rise to
amplitude loss and phase dispersion. Without appropriate correction strategies in migration …

[HTML][HTML] Stable attenuation-compensated reverse time migration and its application to land seismic data

XR Mu, Q Mao, JP Huang - Petroleum Science, 2023 - Elsevier
Intrinsic attenuation of the earth causes energy loss and phase distortion in seismic wave
propagation. To obtain high-resolution imaging results, these negative effects must be …

[HTML][HTML] Accurate simulations of pure-viscoacoustic wave propagation in tilted transversely isotropic media

Q Mao, JP Huang, XR Mu, JD Yang, YJ Zhang - Petroleum Science, 2024 - Elsevier
Forward modeling of seismic wave propagation is crucial for the realization of reverse time
migration (RTM) and full waveform inversion (FWI) in attenuating transversely isotropic …

Viscoelastic reverse time migration with attenuation compensation

T Zhu, J Sun - Geophysics, 2017 - library.seg.org
We have developed a theory of viscoelastic reverse time migration (RTM). The main feature
of viscoelastic RTM is a compensation for P-and S-wave attenuation effects in seismic …

A constant fractional-order viscoelastic wave equation and its numerical simulation scheme

N Wang, H Zhou, H Chen, M Xia, S Wang, J Fang… - Geophysics, 2018 - library.seg.org
Efficient modeling schemes currently exist to handle the spatially variable-order fractional
Laplacians in the fractional Laplacian viscoacoustic wave equation. The simplest approach …