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 …

Anisotropic attenuation compensated reverse time migration of pure qP-wave in transversely isotropic attenuating media

Z Qiao, T Chen, C Sun - Surveys in Geophysics, 2022 - Springer
The absorption (anelastic attenuation) and anisotropy properties of subsurface media jointly
affect the seismic wave propagation and the quality of migration imaging. Anisotropic …

[PDF][PDF] 黏弹性犞犜犐介质微地震正演模拟与震源机制全波形反演

唐杰, 刘英昌, 韩盛元, 孙成禹 - 地球物理学报, 2022 - geophy.cn
摘要微地震矩张量能够描述储层岩石破坏的细节, 有助于了解水力压裂储层的地质力学特征,
震源机制矩张量反演对于非常规油气开发具有重要的作用. 水力压裂通常在页岩油气储层中进行 …

[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 …

Modeling of pure visco-qP-wave propagation in attenuating tilted transversely isotropic media based on decoupled fractional Laplacians

X Mu, J Huang, J Yang, J Zhang, Z Wang - Geophysics, 2022 - library.seg.org
The pseudoviscoacoustic anisotropic wave equation is widely used in the oil and gas
industry for modeling wavefields in attenuating anisotropic media. Compared to the full …

Microseimic forward modeling and full-waveform inversion of focal mechanisms for viscoelastic vertically transverse isotropic media

J TANG, YC LIU, SY HAN, CY SUN - Chinese Journal of Geophysics, 2022 - en.dzkx.org
The microseismic moment tensor can describe the details of rock failure in reservoirs, which
helps reveal geomechanical characteristics of hydraulic fracturing reservoirs. Moment tensor …

Modeling the effect of multiscale heterogeneities on wave attenuation and velocity dispersion

Y Wang, Z Zong, Q Sun - IEEE Transactions on Geoscience …, 2023 - ieeexplore.ieee.org
Wave attenuation and velocity dispersion are of great significance to fluid evaluation in fluid-
saturated rocks. Inspired by the double-porosity and cracked porous elastic wave theory, we …

黏声TTI 介质中纯qP 波逆时偏移成像方法.

慕鑫茹, 黄建平, 黎国龙, 毛强 - Journal of China University …, 2023 - search.ebscohost.com
地下介质广泛存在黏滞性及各向异性特征, 使得地震波在传播过程中发生相位畸变和振幅衰减.
若在偏移成像时不对这些黏滞性及各向异性影响进行校正, 则会引入成像噪声而降低成像分辨率 …

Least-squares Reverse Time Migration in Viscoacoustic Tilted Transversely Isotropic Media

J Huang, X Mu, J Yang, L Su - Geophysics, 2024 - library.seg.org
Iterative optimization-based least-squares reverse time migration (LSRTM) has proven
effective in reducing imaging artifacts, enhancing amplitudes, and improving imaging …

Time-reverse location of microseismic sources in viscoelastic orthotropic anisotropic medium based on attenuation compensation

T Jie, L Ying-Chang, W Lei, L Cong - Applied Geophysics, 2020 - Springer
Time reversal is a key component of time-reverse migration and source location using
wavefield extrapolation. The implementation of time reversal depends on the time symmetry …