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 …

Imaging near-surface S-wave velocity and attenuation models by full-waveform inversion with distributed acoustic sensing-recorded surface waves

W Pan, L Qu, KA Innanen, J Dettmer, M Macquet… - Geophysics, 2023 - library.seg.org
Distributed acoustic sensing (DAS) technology is, increasingly, the seismic acquisition mode
of choice for its high spatial sampling rate, low cost, and nonintrusive deployability. It is …

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 …

Feasibility Study of Anisotropic Full-Waveform Inversion with DAS Data in a Vertical Seismic Profile Configuration at the Newell County Facility, Alberta, Canada

L Qu, W Pan, K Innanen, M Macquet, D Lawton - Surveys in Geophysics, 2024 - Springer
As an emerging seismic acquisition technology, distributed acoustic sensing (DAS) has
drawn significant attention in earth science for long-term and cost-effective monitoring of …

Target-oriented elastic full-waveform inversion through acoustic extended image-space redatuming

E Biondi, G Barnier, B Biondi, RG Clapp - Geophysics, 2023 - library.seg.org
Elastic full-waveform inversion (FWI) can provide accurate and high-resolution subsurface
parameters. However, its high computational cost prevents the application of this method to …

On the influence of different misfit functions for attenuation estimation in viscoelastic full-waveform inversion: synthetic study

W Pan, Y Wang - Geophysical Journal International, 2020 - academic.oup.com
Estimating subsurface attenuation distribution is essential to compensate the amplitude and
phase distortions in seismic imaging and characterize attenuative reservoirs. Full-waveform …

Laplace-Domain Crosstalk-Free Source-Encoded Elastic Full Waveform Inversion Using Time-Domain Solvers

Z Liu, J Hoffmann, E Bachmann, C Cui, FJ Simons… - Geophysics, 2024 - library.seg.org
Crosstalk-free source-encoded elastic Full-Waveform Inversion (FWI) using time-domain
solvers has demonstrated skill and efficiency at conducting seismic inversions involving …

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 …

SeisElastic2D: An open-source package for multiparameter full-waveform inversion in isotropic-, anisotropic-and visco-elastic media

W Pan, KA Innanen, Y Wang - Computers & Geosciences, 2020 - Elsevier
Full-waveform inversion (FWI) has emerged as a powerful technique to obtain high-
resolution subsurface elastic properties. However, several complicating features, including …

Parsimonious truncated Newton method for time-domain full-waveform inversion based on the Fourier-domain full-scattered-field approximation

P Yong, R Brossier, L Métivier - Geophysics, 2022 - library.seg.org
To exploit Hessian information in full-waveform inversion (FWI), the matrix-free truncated
Newton method can be used. In such a method, Hessian-vector product computation is one …