Reverse time migration: A prospect of seismic imaging methodology

HW Zhou, H Hu, Z Zou, Y Wo, O Youn - Earth-science reviews, 2018 - Elsevier
Reverse time migration (RTM) is a seismic imaging method to map the subsurface reflectivity
using recorded seismic waveforms. The practice in exploration seismology has long …

[HTML][HTML] Research progress on seismic imaging technology

ZC Li, YM Qu - Petroleum Science, 2022 - Elsevier
High-precision seismic imaging is the core task of seismic exploration, guaranteeing the
accuracy of geophysical and geological interpretation. With the development of seismic …

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 …

Modeling acoustic wave propagation in heterogeneous attenuating media using decoupled fractional Laplacians

T Zhu, JM Harris - Geophysics, 2014 - library.seg.org
We evaluated a time-domain wave equation for modeling acoustic wave propagation in
attenuating media. The wave equation was derived from Kjartansson's constant-Q …

Does foreign direct investment influence renewable energy consumption? empirical evidence from south Asian countries

X Kang, FU Khan, R Ullah, M Arif, SU Rehman, F Ullah - Energies, 2021 - mdpi.com
In selected South Asian countries, the study intends to investigate the relationship between
urban population (UP), carbon dioxide (CO2), trade openness (TO), gross domestic product …

Viscoacoustic modeling and imaging using low-rank approximation

J Sun, T Zhu, S Fomel - Geophysics, 2015 - library.seg.org
ABSTRACT A constant-Q wave equation involving fractional Laplacians was recently
introduced for viscoacoustic modeling and imaging. This fractional wave equation has a …

Adaptive stabilization for Q-compensated reverse time migration

Y Wang, H Zhou, H Chen, Y Chen - Geophysics, 2018 - library.seg.org
Reverse time migration (RTM) for attenuating media should take amplitude compensation
and phase correction into consideration. However, attenuation compensation during seismic …

-compensated least-squares reverse time migration using low-rank one-step wave extrapolation

J Sun, S Fomel, T Zhu, J Hu - Geophysics, 2016 - library.seg.org
Attenuation of seismic waves needs to be taken into account to improve the accuracy of
seismic imaging. In viscoacoustic media, reverse time migration (RTM) can be performed …

Enhanced seismic attenuation compensation: Integrating attention mechanisms with residual learning in neural networks

N Wang, Y Shi, J Ni, J Fang, B Yu - IEEE Transactions on …, 2024 - ieeexplore.ieee.org
The natural damping effect of the Earth typically results in significant distortion of seismic
waveforms, which greatly diminishes the precise of subsequent processes such as …

Two efficient modeling schemes for fractional Laplacian viscoacoustic wave equation

H Chen, H Zhou, Q Li, Y Wang - Geophysics, 2016 - library.seg.org
Recently, a decoupled fractional Laplacian viscoacoustic wave equation has been
developed based on the constant-Q model to describe wave propagation in heterogeneous …