Interparameter trade-off quantification and reduction in isotropic-elastic full-waveform inversion: Synthetic experiments and Hussar land data set application

W Pan, Y Geng, KA Innanen - Geophysical Journal International, 2018 - academic.oup.com
The problem of inverting for multiple physical parameters in the subsurface using seismic full-
waveform inversion (FWI) is complicated by interparameter trade-off arising from inherent …

Estimating P Wave Velocity and Attenuation Structures Using Full Waveform Inversion Based on a Time Domain Complex‐Valued Viscoacoustic Wave Equation: The …

J Yang, H Zhu, X Li, L Ren… - Journal of Geophysical …, 2020 - Wiley Online Library
To complement velocity distributions, seismic attenuation provides additional important
information on fluid properties of hydrocarbon reservoirs in exploration seismology, as well …

Elastic full-waveform inversion and parametrization analysis applied to walk-away vertical seismic profile data for unconventional (heavy oil) reservoir characterization

W Pan, KA Innanen, Y Geng - Geophysical Journal International, 2018 - academic.oup.com
Seismic full-waveform inversion (FWI) methods hold strong potential to recover multiple
subsurface elastic properties for hydrocarbon reservoir characterization. Simultaneously …

Interparameter trade-off quantification for isotropic-elastic full-waveform inversion with various model parameterizations

W Pan, KA Innanen, Y Geng, J Li - Geophysics, 2019 - library.seg.org
Simultaneous determination of multiple physical parameters using full-waveform inversion
(FWI) suffers from interparameter trade-off difficulties. Analyzing the interparameter trade-offs …

Reverse time migration of ground penetrating radar with optimized full wavefield separation based on Poynting vector imaging condition and TV-L1 based artifacts …

D Feng, Z Feng, X Wang, D Xu, Y Liu… - … on Geoscience and …, 2023 - ieeexplore.ieee.org
Reverse time migration (RTM) has the advantage of high-precision imaging, and it can
converge the radar wave back to its actual position, making it widely used in radar …

Compensating Q effects in viscoelastic media by adjoint-based least-squares reverse time migration

P Guo, GA McMechan - Geophysics, 2018 - library.seg.org
Low values of P-and S-wave quality factors Q p and Q s result in strong intrinsic seismic
attenuation in seismic modeling and imaging. We use a linearized waveform inversion …

Reflection Full Waveform Inversion With Second‐Order Optimization Using the Adjoint‐State Method

T Wang, J Cheng, J Geng - Journal of Geophysical Research …, 2021 - Wiley Online Library
In controlled‐source seismology, the standard full waveform inversion (FWI) can't reliably
recover the macrovelocity structure in the deep part, if the surface seismic data lack of ultra …

[PDF][PDF] Target-oriented inversion of time-lapse seismic waveform data

X Huang, M Jakobsen, G Nævdal… - … in Computational Physics, 2020 - global-sci.com
Full waveform inversion of time-lapse seismic data can be used as a means of estimating
the reservoir changes due to the production. Since the repeated computations for the …

Time‐lapse full waveform inversion of vertical seismic profile data: Workflow and application to the CO2CRC Otway project

A Egorov, R Pevzner, A Bóna… - Geophysical …, 2017 - Wiley Online Library
Vertical seismic profile (VSP) is one of the technologies for monitoring hydrocarbon
production and CO2 geosequestration. However, quantitative interpretation of time‐lapse …

Nonlinear inversion of seismic amplitude variation with offset for an effective stress parameter

H Chen, J Li, KA Innanen - Geophysics, 2020 - library.seg.org
Effective stress estimates play important roles in reservoir characterization, for instance, in
guiding the selection of fracturing areas in unconventional reservoirs. Based on Gassmann's …