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Proceedings Papers

A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss

Siyu Sun, Guosong Tang, Wei Bao, Guofa Li
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4091028
https://doi.org/10.1190/image2024-4091028.1
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View Paper titled, A ground roll attenuation method based on CAResU-net with adaptively frequency-induced loss
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Proceedings Papers

A stable rock-physics inversion solution

Mengjiao Zhou, Hao Li, Pingqi Zhao, Guofa Li, Wei Yang
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3424581
https://doi.org/10.1190/segam2020-3424581.1
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View Paper titled, A stable rock-physics inversion solution
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Proceedings Papers

Multi-trace blocky reflectivity inversion with anisotropic total variation regularization

Sichao Zhang, Xu Fan, Guofa Li, Xinlong Huang, Li Jiang, Yu Guan
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215511
https://doi.org/10.1190/segam2019-3215511.1
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View Paper titled, Multi-trace blocky reflectivity inversion with anisotropic total variation regularization
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Proceedings Papers

Frequency-space domain viscoacoustic RTM using stable compensation operator

Bo Gao, Guofa Li
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215538
https://doi.org/10.1190/segam2019-3215538.1
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View Paper titled, Frequency-space domain viscoacoustic RTM using stable compensation operator
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Proceedings Papers

Two-dimensional nonstationary convolutional filtering and an adaptive linear interference suppression method

Haoqi Zhao, Guofa Li, Xu Fan, Xinlong Huang, Long Bian, Linhong Zhang
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215946
https://doi.org/10.1190/segam2019-3215946.1
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View Paper titled, Two-dimensional nonstationary convolutional filtering and an adaptive linear interference suppression method
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Proceedings Papers

Multitrace reflectivity inversion with dip regularization

Sichao Zhang, Guofa Li, Jianfu Wang, Xin Du, Wenbo Zhang
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2994831
https://doi.org/10.1190/segam2018-2994831.1
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View Paper titled, Multitrace reflectivity inversion with dip regularization
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Proceedings Papers

Impedance reconstruction using a data-driven structural regularization term

Xin Du, Guofa Li, Bixiao Zhou, Jiaxing Wang, Bo Gao
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997410
https://doi.org/10.1190/segam2018-2997410.1
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View Paper titled, Impedance reconstruction using a data-driven structural regularization term
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Proceedings Papers

Ray-based tomographic inversion of near-surface absorption by the spectral-ratio method and the centroid frequency-shift method

Jiaxing Wang, Guofa Li, Bixiao Zhou, Xiong Ma, Xin Du
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998090
https://doi.org/10.1190/segam2018-2998090.1
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View Paper titled, Ray-based tomographic inversion of near-surface absorption by the spectral-ratio method and the centroid frequency-shift method
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Proceedings Papers

A new method for Q estimation from reflection seismic data

Xiong Ma, Guofa Li, Shuang Wang, Wuyang Yang, Wanli Wang
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17627790
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View Paper titled, A new method for Q estimation from reflection seismic data
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Proceedings Papers

A modified decorrelation method in the prestack inversion

Wei Wang, Guofa Li, Xin Yu, Wuyang Yang, Wanli Wang
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17659394
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View Paper titled, A modified decorrelation method in the prestack inversion
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Proceedings Papers

Frequency-domain multitrace band-limited sparsity deconvolution

Xin Du, Guofa Li, Hao Li, Wenbo Zhang, Bowen Tang
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17660344
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View Paper titled, Frequency-domain multitrace band-limited sparsity deconvolution
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Proceedings Papers

Laterally-constrained sparse deconvolution in the mixed domain

Wei Wang, Guofa Li, Yumin Zhao, Wuyang Yang, Wanli Wang
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17660084
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View Paper titled, Laterally-constrained sparse deconvolution in the mixed domain
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Proceedings Papers

Sparse reflectivity inversion with lateral constraint for nonstationary seismic data

Zi Liu, Guofa Li, Jizhen Wei, Baoqing Zhang
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13775693
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View Paper titled, Sparse reflectivity inversion with lateral constraint for nonstationary seismic data
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Proceedings Papers

Enhancing seismic resolution by removing the weathering layer absorption

Shanshan Zhang, Guofa Li, Shanshan Zhu, Wenliang Zhu, Tongli Zhai
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13776128
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View Paper titled, Enhancing seismic resolution by removing the weathering layer absorption
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Proceedings Papers

Estimating near-surface Q value based on the centroid frequency shift and integral area of the logarithmic spectral

Mingchao Wang, Guofa Li, Hao Zheng, Tongli Zhai
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13772888
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View Paper titled, Estimating near-surface Q value based on the centroid frequency shift and integral area of the logarithmic spectral
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Proceedings Papers

A robust deconvolution algorithm with sparsity and lateral continuity constraints for nonstationary seismic data

Yumin Zhao, Guofa Li, Bei Li
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13776168
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View Paper titled, A robust deconvolution algorithm with sparsity and lateral continuity constraints for nonstationary seismic data
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Proceedings Papers

Time-frequency analysis-based directional deconvolution through inversion

Zi Liu, Guofa Li, Wei Wang, Xiaolong Yin
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13849419
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View Paper titled, Time-frequency analysis-based directional deconvolution through inversion
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Proceedings Papers

Estimation of Frequency-Dependent Near-Surface Q Factor from Cross-Hole Seismic Data

Guofa Li, Hao Zheng, Wenliang Zhu, Tongli Zhai
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5813381
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View Paper titled, Estimation of Frequency-Dependent Near-Surface Q Factor from Cross-Hole Seismic Data
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Proceedings Papers

Thin Bed Identification Using Zero-Crossing-Time Stratal Slices

Guofa Li, Mauricio D. Sacchi, Shanshan Zhu, Yajing Wang
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5814159
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View Paper titled, Thin Bed Identification Using Zero-Crossing-Time Stratal Slices
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Proceedings Papers

Directional Deconvolution of Air Gun Array Signature via Nonstationary Inversion Scheme

Guofa Li, Xiaolong Yin, Zi Liu, Mingqiang Cao
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5836115
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View Paper titled, Directional Deconvolution of Air Gun Array Signature via Nonstationary Inversion Scheme
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