Estimation of elastic constants for HTI media using Gauss-Newton and full-Newton multiparameter full-waveform inversion

W Pan, KA Innanen, GF Margrave, MC Fehler, X Fang… - Geophysics, 2016 - library.seg.org
In seismic full-waveform inversion (FWI), subsurface parameters are estimated by iteratively
minimizing the difference between the modeled and the observed data. We have considered …

Seismic frequency component inversion for elastic parameters and maximum inverse quality factor driven by attenuating rock physics models

H Chen - Surveys in Geophysics, 2020 - Springer
Attenuation exists in seismic wave propagation in subsurface layers, and relatively high
attenuation occurs in oil-bearing reservoirs. Inversion of frequency components of observed …

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 …

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 …

Accelerating Hessian-free Gauss-Newton full-waveform inversion via -BFGS preconditioned conjugate-gradient algorithm

W Pan, KA Innanen, W Liao - Geophysics, 2017 - library.seg.org
Full-waveform inversion (FWI) has emerged as a powerful strategy for estimating subsurface
model parameters by iteratively minimizing the difference between synthetic data and …

Time-domain least-squares migration using the Gaussian beam summation method

J Yang, H Zhu, G McMechan… - Geophysical Journal …, 2018 - academic.oup.com
With a finite recording aperture, a limited source spectrum and unbalanced illumination,
traditional imaging methods are insufficient to generate satisfactory depth profiles with high …

Seismic image-guided 3D inversion of marine controlled-source electromagnetic and magnetotelluric data

RL Mackie, MA Meju, F Miorelli, RV Miller, C Scholl… - Interpretation, 2020 - library.seg.org
Geologic interpretation of resistivity models from marine controlled-source electromagnetic
(CSEM) and magnetotelluric (MT) data for hydrocarbon exploration and reservoir monitoring …

Robust full-waveform inversion with radon-domain matching filter

B Sun, T Alkhalifah - Geophysics, 2019 - library.seg.org
Cycle skipping is a severe issue in full-waveform inversion. One option to overcome it is to
extend the search space to allow for data comparisons beyond the “point-to-point” …

Sparse-promoting full-waveform inversion based on online orthonormal dictionary learning

L Zhu, E Liu, JH McClellan - Geophysics, 2017 - library.seg.org
Full-waveform inversion (FWI) delivers high-resolution images of the subsurface by
minimizing iteratively the misfit between recorded and calculated seismic data. We have …

Parameterization analysis and field validation of VTI-elastic full-waveform inversion in a walk-away vertical seismic profile configuration

W Pan, KA Innanen, Y Wang - Geophysics, 2020 - pubs.geoscienceworld.org
Elastic full-waveform inversion (FWI) in transversely isotropic media with a vertical symmetry
axis (VTI) is applied to field walk-away vertical seismic profile (W-VSP) data acquired in …