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Keywords: rtm image
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427891
... inversion obn data reservoir characterization rtm image fwi output model tv regularization structural regularization Full-waveform inversion for sparse OBN data Zhiguang Xue*, Zhigang Zhang, Feng Lin, Jiawei Mei, Rongxin Huang, and Ping Wang (CGG) Summary exploration purposes. However, degradation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428115
... Time: 1:50 PM Presentation Time: 2:15 PM Location: 362D Presentation Type: Oral upstream oil & gas imaging lsrtm ultralong offset obn tgs summary migration artifact reservoir characterization rtm image exploration geophysicist 10 noise jianshun sheng fwi model expanded abstract...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428152
... reservoir characterization real data application common-shot gather exploration geophysicist 10 inversion upstream oil & gas velocity error velocity model application reverse time migration extended abstract cig lsrtm amplitude resolution rtm image geophysics seg international...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427971
... Annual Meeting. reservoir characterization rtmm geophysics tomography time-lag fwi obc data rtm image seg international exposition case study upstream oil & gas imaging exploration geophysicist 10 reverse time migration tlfwi expanded abstract hz tlfwi model acquisition...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3423896
... reservoir characterization lsqrtm information fwi model rtm image resolution fwi image expanded abstract exploration geophysicist 10 obn data velocity model fwi seg international exposition sediment truncation mississippi canyon image Improving Mississippi Canyon images with ocean bottom...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427856
... conditions. Presentation Date: Tuesday, October 13, 2020 Session Start Time: 9:20 AM Presentation Time: 10:35 AM Location: Poster Station 3 Presentation Type: Poster reservoir characterization rtm image exploration geophysicist 10 fwi louann salt signal win velocity model full waveform...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427858
... frequency illumination full-wavefield imaging seg international exposition upstream oil & gas rtm image migration exploration geophysicist 10 fwi imaging FWI Imaging: Full-wavefield imaging through full-waveform inversion Zhigang Zhang*, Zedong Wu, Zhiyuan Wei, Jiawei Mei, Rongxin Huang...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428218
... reconstruction. Several tests with a marine wide-azimuth (WAZ) data are conducted to show the effectiveness of the proposed method in supershots generation and RTM images. Presentation Date: Wednesday, October 14, 2020 Session Start Time: 1:50 PM Presentation Time: 3:05 PM Location: Poster Station 13...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3421796
... Low wavenumber noise often contaminates Reverse Time Migration (RTM) stack images. Laplacian filtering is widely used to reduce low wavenumber noise from RTM images. Laplacian reduces low wavenumber noise effectively but it is harsh to low wavenumber components of the image. Conventional...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3422819
... its momentum in the energy sector, we notice that people start to tackle inversion problem through the deep learning framework. Here our goal is to extend the target domain from velocity to RTM image, and by utilizing the state-of-the-art in data science, our ML model is capable of approximating...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214925
... in the image quality in terms of signal-to-noise ratio, reflector continuity, and amplitude and wavelet consistency. Presentation Date: Monday, September 16, 2019 Session Start Time: 1:50 PM Presentation Start Time: 1:50 PM Location: 214C Presentation Type: Oral rtm image interpretability annual...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216795
... southern gulf seg international exposition reservoir characterization seismic data interpretation rtm image allochthonous salt body carbonate acquisition illumination tomography depth imaging upstream oil & gas sediment Vyas , M. , X. , Du , E. , Mobley and R...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3211998
... model frequency reservoir characterization linearly reverse-time migration seg international exposition rtm image velocity model image gather migration marmousi model upstream oil & gas annual meeting Baysal , E. , D. , Kosloff , and J. W. C. , Sherwood , 1983...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214542
... international exposition multiple seismic image bandwidth annual meeting sparsity recovery commonality upstream oil & gas rtm image denoised innovation noise attenuation residual noise noise innovation curvelet workflow input image attenuation Baron , D. , M. F. , Duarte...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216793
... Presentation Start Time: 2:15 PM Location: 214C Presentation Type: Oral configuration upstream oil & gas rtm image annual meeting acquisition configuration azimuth reservoir characterization amplitude surface acquisition configuration reflectivity model target region illumination...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216198
... model geophysics integration time seg international exposition misfit function inversion waveform inversion mpi tomogram phase inversion rtm image upstream oil & gas tomogram anisotropic data seismic data schuster Boonyasiriwat , C. , P. Valasek , P. Routh...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216299
... the conventional strategies. In other words, the proposed strategy describes detailed structures and enhances continuity of reflectors in reverse time migration (RTM) image. Presentation Date: Wednesday, September 18, 2019 Session Start Time: 9:20 AM Presentation Time: 11:00 AM Location: Poster Station 8...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996629
... earthquake methane hydrate upstream oil & gas pwi permeability hyndman hydrate bsr reservoir characterization reflection tréhu cascadia margin margin methane hydrate waveform inversion rtm image accretionary prism seg international exposition McCaffrey , R. , 2007 , The next...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997022
... of the deeper salt body and one in between the two salt bodies. Figure 3: True velocity (top) and density (middle) models used for modeling. Smoothd velocity model outside salt bodies used for migration (bottom) Figure 4 is the conventional RTM image obtained using a smoothed version of the true velocity model...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996971
...) In controlled RTM, one RTM image is partitioned into the weighted stack of sub-RTM images across M depth and N frequency ranges (Figure 2). Therefore, equation 1 can be written as the sum of the weighted image over frequencies, shots, and migration bands. = 1 S 1 1 , = 1,2, , (3) where M...

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