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Proceedings Papers

GPU-based 3D anisotropic elastic modeling using mimetic finite differences

Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin, Fatmir Hoxha
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3746318
https://doi.org/10.1190/image2022-3746318.1
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View Paper titled, GPU-based 3D anisotropic elastic modeling using mimetic finite differences
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Proceedings Papers

Finite-difference modeling of marine vibrator sources

Khalid Almuteri, Jeffrey Shragge, Paul Sava
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3746278
https://doi.org/10.1190/image2022-3746278.1
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View Paper titled, Finite-difference modeling of marine vibrator sources
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Proceedings Papers

RNN-based seismic velocity model building: Improving generalization using hybrid training data

Hani Alzahrani, Jeffrey Shragge
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3747548
https://doi.org/10.1190/image2022-3747548.1
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View Paper titled, RNN-based seismic velocity model building: Improving generalization using hybrid training data
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Proceedings Papers

Measuring seasonal velocity variations on an urban DAS array

Jihyun Yang, Jeffrey Shragge
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751058
https://doi.org/10.1190/image2022-3751058.1
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View Paper titled, Measuring seasonal velocity variations on an urban DAS array
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Proceedings Papers

Reverse-time migration of mobile marine vibrator data

Khalid Almuteri, Paul Sava, Jeffrey Shragge
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3751755
https://doi.org/10.1190/image2022-3751755.1
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View Paper titled, Reverse-time migration of mobile marine vibrator data
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Proceedings Papers

Normalized energy-norm imaging condition for elastic reverse-time migration

Can Oren, Jeffrey Shragge
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3740570
https://doi.org/10.1190/image2022-3740570.1
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View Paper titled, Normalized energy-norm imaging condition for elastic reverse-time migration
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Proceedings Papers

4D DAS fiber-coupling effects in freezing near-surface ground conditions

Jihyun Yang, Jeffrey Shragge, Ge Jin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582508
https://doi.org/10.1190/segam2021-3582508.1
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View Paper titled, 4D DAS fiber-coupling effects in freezing near-surface ground conditions
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Proceedings Papers

Neural network seismic velocity model building: A frequency-stepping approach

Hani Alzahrani, Jeffrey Shragge
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584519
https://doi.org/10.1190/segam2021-3584519.1
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View Paper titled, Neural network seismic velocity model building: A frequency-stepping approach
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Proceedings Papers

Identifying salt flanks using low-frequency ambient OBN surface-wave seismology

Aaron J. Girard, Jeffrey Shragge, Bjorn Olofsson
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3592980
https://doi.org/10.1190/segam2021-3592980.1
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View Paper titled, Identifying salt flanks using low-frequency ambient OBN surface-wave seismology
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Proceedings Papers

Deep learning for probabilistic salt segmentation using Bayesian inference machines

Tugrul Konuk, Jeffrey Shragge
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3594897
https://doi.org/10.1190/segam2021-3594897.1
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View Paper titled, Deep learning for probabilistic salt segmentation using Bayesian inference machines
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Proceedings Papers

Handling bathymetry in wavefield modeling for coupled acoustic/elastic anisotropic media

Harpreet Singh, Jeffrey Shragge, Ilya Tsvankin
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581527
https://doi.org/10.1190/segam2021-3581527.1
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View Paper titled, Handling bathymetry in wavefield modeling for coupled acoustic/elastic anisotropic media
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Proceedings Papers

Geophysical investigation to understand local geology and agricultural water movement in relation to landslide activity in Majes, Peru

Hanna E. Flamme, Dana Sirota, Richard Krahenbuhl, Yaoguo Li, Brandon Dugan, Jeffrey Shragge, Edgard Gonzales Zenteno, Javier Roberto Ticona Paucara, Armando Minaya Lizárraga
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428280
https://doi.org/10.1190/segam2020-3428280.1
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View Paper titled, Geophysical investigation to understand local geology and agricultural water movement in relation to landslide activity in Majes, Peru
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Proceedings Papers

Cross-penalization surface-wave Inversion using the high-resolution linear Radon transform

Jihyun Yang, Jeffrey Shragge
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428202
https://doi.org/10.1190/segam2020-3428202.1
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View Paper titled, Cross-penalization surface-wave Inversion using the high-resolution linear Radon transform
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Proceedings Papers

Least-squares reverse time migration through anisotropic tensorial elastodynamics

Tugrul Konuk, Jeffrey Shragge
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425808
https://doi.org/10.1190/segam2020-3425808.1
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View Paper titled, Least-squares reverse time migration through anisotropic tensorial elastodynamics
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Proceedings Papers

Image-domain elastic wavefield tomography for passive data

Can Oren, Jeffrey Shragge
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426685
https://doi.org/10.1190/segam2020-3426685.1
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View Paper titled, Image-domain elastic wavefield tomography for passive data
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Proceedings Papers

Finite-difference modeling for coupled acoustic-elastic anisotropic media using mimetic operators

Harpreet Sethi, Jeffrey Shragge, Ilya Tsvankin
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427764
https://doi.org/10.1190/segam2020-3427764.1
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View Paper titled, Finite-difference modeling for coupled acoustic-elastic anisotropic media using mimetic operators
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Proceedings Papers

3D anisotropic elastic time-reverse imaging of surface-recorded microseismic data

Can Oren, Jeffrey Shragge
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215476
https://doi.org/10.1190/segam2019-3215476.1
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View Paper titled, 3D anisotropic elastic time-reverse imaging of surface-recorded microseismic data
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Proceedings Papers

Low-frequency ambient Distributed Acoustic Sensing (DAS): Useful for subsurface investigation?

Jeffrey Shragge, Jihyun Yang, Nader A Issa, Michael Roelens, Michael Dentith, Sascha Schediwy
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216479
https://doi.org/10.1190/segam2019-3216479.1
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View Paper titled, Low-frequency ambient Distributed Acoustic Sensing (DAS): Useful for subsurface investigation?
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Proceedings Papers

3D tensorial elastodynamics for anisotropic media

Tugrul Konuk, Jeffrey Shragge
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216551
https://doi.org/10.1190/segam2019-3216551.1
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View Paper titled, 3D tensorial elastodynamics for anisotropic media
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Proceedings Papers

Interpretation-based full waveform inversion of a Western Australian data set

David Graham, David Lumley, Wei Zhou, Jeffrey Shragge, Julien Bourget
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216758
https://doi.org/10.1190/segam2019-3216758.1
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View Paper titled, Interpretation-based full waveform inversion of a Western Australian data set
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