Least-squares reverse time migration in TTI media using a pure qP-wave equation

X Mu, J Huang, J Yang, X Guo, Y Guo - Geophysics, 2020 - library.seg.org
Anisotropy is a common phenomenon in subsurface strata and should be considered in
seismic imaging and inversion. Seismic imaging in a vertical transversely isotropic (VTI) …

Fast least-squares reverse time migration based on plane-wave encoding for VTI media

ZC LI, JQ HUANG, JP HUANG, F ZHU - Chinese Journal of Geophysics, 2017 - en.dzkx.org
Seismic anisotropy of the earth medium is primarily manifested as velocity anisotropy, which
certainly affects the kinematic properties of seismic waves propagating inside the earth. The …

Efficient least-squares reverse time migration in TTI media using a finite-difference solvable pure qP-wave equation

Q Mao, J Huang, X Mu, Z Zhang… - Journal of Geophysics …, 2024 - academic.oup.com
The anisotropic characteristics of underground media play a crucial role in seismic wave
propagation and should be accounted for during seismic imaging. The least-squares …

A practical implementation of 3D TTI reverse time migration with multi-GPUs

C Li, G Liu, Y Li - Computers & Geosciences, 2017 - Elsevier
Tilted transversely isotropic (TTI) media are typical earth anisotropy media from practical
observational studies. Accurate anisotropic imaging is recognized as a breakthrough in …

Stability and speedup issues in TTI RTM implementation

K Yoon, S Suh, J Ji, J Cai, B Wang - SEG International Exposition and …, 2010 - onepetro.org
In the implementation of TTI RTM, we meet stability problems and demands for speedup.
Staggered Fourier first derivative and linear interpolation improves stability and accuracy …

Attenuation compensation in anisotropic least-squares reverse time migration

Y Qu, J Huang, Z Li, Z Guan, J Li - Geophysics, 2017 - library.seg.org
Anisotropic and attenuating properties of subsurface media cause amplitude loss and
waveform distortion in seismic wave propagation, resulting in negative influence on seismic …

Decoupled equations for reverse time migration in tilted transversely isotropic media

G Zhan, RC Pestana, PL Stoffa - Geophysics, 2012 - library.seg.org
Conventional modeling and migration for tilted transversely isotropic (TTI) media may suffer
from numerical instabilities and shear wave artifacts due to the coupling of the P-wave and …

Reverse time migration in tilted transversely isotropic (TTI) media

RP Fletcher, X Du, PJ Fowler - Geophysics, 2009 - library.seg.org
Reverse time migration (RTM) exhibits great advantages over other imaging methods
because it is based on computing numerical solutions to a two-way wave equation. It does …

Acceleration of stable TTI P-wave reverse-time migration with GPUs

Y Kim, Y Cho, U Jang, C Shin - computers & Geosciences, 2013 - Elsevier
When a pseudo-acoustic TTI (tilted transversely isotropic) coupled wave equation is used to
implement reverse-time migration (RTM), shear wave energy is significantly included in the …

Least-squares Fourier finite-difference pre-stack depth migration for VTI media

F Zhu, J Huang, H Yu - Journal of Geophysics and Engineering, 2018 - academic.oup.com
Most traditional least-squares migration (LSM) methods are based on the assumption of
isotropic media, which is not consistent with the actual underground situation. The media's …