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 …

An introduction to full waveform inversion

J Virieux, A Asnaashari, R Brossier… - Encyclopedia of …, 2017 - library.seg.org
Full waveform inversion (FWI) is a high-resolution seismic imaging technique that is based
on using the entire content of seismic traces for extracting physical parameters of the …

Five ways to avoid storing source wavefield snapshots in 2D elastic prestack reverse time migration

BD Nguyen, GA Mcmechan - Geophysics, 2015 - library.seg.org
Five alternative algorithms were evaluated to circumvent the excessive storage requirement
imposed by saving source wavefield snapshots used for the crosscorrelation image …

A time-domain preconditioned truncated Newton approach to visco-acoustic multiparameter full waveform inversion

P Yang, R Brossier, L Métivier, J Virieux… - SIAM Journal on Scientific …, 2018 - SIAM
A truncated Newton (TRN) method for time-domain full waveform inversion (FWI) in a visco-
acoustic medium has been developed based on the 2nd-order adjoint state formulation …

Anelastic sensitivity kernels with parsimonious storage for adjoint tomography and full waveform inversion

D Komatitsch, Z Xie, E Bozdağ… - Geophysical Journal …, 2016 - academic.oup.com
We introduce a technique to compute exact anelastic sensitivity kernels in the time domain
using parsimonious disk storage. The method is based on a reordering of the time loop of …

Full waveform inversion of SH‐and Love‐wave data in near‐surface prospecting

E Dokter, D Köhn, D Wilken, D De Nil… - Geophysical …, 2017 - earthdoc.org
We develop a two‐dimensional full waveform inversion approach for the simultaneous
determination of S‐wave velocity and density models from SH‐and Love‐wave data. We …

Wavefield reconstruction in attenuating media: A checkpointing-assisted reverse-forward simulation method

P Yang, R Brossier, L Métivier, J Virieux - Geophysics, 2016 - pubs.geoscienceworld.org
Three-dimensional implementations of reverse time migration (RTM) and full-waveform
inversion (FWI) require efficient schemes to access the incident field to apply the imaging …

Reverse-time migration using local Nyquist cross-correlation imaging condition

M Zhang, H Zhou, H Chen, S Jiang… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
Reverse-time migration (RTM) has the particular capacity for complex geological structure
imaging. However, massive storage and high computational costs caused by conventional …

Reverse time migration of 3D vertical seismic profile data

Y Shi, Y Wang - Geophysics, 2016 - library.seg.org
Reverse time migration (RTM) has shown increasing advantages in handling seismic
images of complex subsurface media, but it has not been used widely in 3D seismic data …

Source wavefield reconstruction in fractional Laplacian viscoacoustic wave equation-based full waveform inversion

H Chen, H Zhou, Y Rao - IEEE Transactions on Geoscience …, 2020 - ieeexplore.ieee.org
We develop a fractional Laplacian viscoacoustic wave equation-based full waveform
inversion (FWI) method. The main novelty is efficient reconstruction of the source wavefields …