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Keywords: gajewski
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Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 28–September 1, 2022
Paper Number: SEG-2022-3749913
... learning exploration geophysicist diffracted wavefield reflection transfer applied geoscience international gajewski prediction energy 10 dataset american association convolutional autoencoder university Transfer learning seismic and GPR diffraction separation with a convolutional neural...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3584040
... noise-only data machine learning deep learning applied geoscience diffraction-only data gajewski application neural network corresponding label wavefield exploration geophysicist 10 reservoir characterization dataset reflection-only data epoch upstream oil & gas convolutional neural...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426557
...:50 PM Presentation Time: 3:55 PM Location: 362A Presentation Type: Oral upstream oil & gas diffraction wavefront tomography estimation reservoir characterization wavefront gajewski seg international exposition tomography depth-velocity model workflow diffracted wavefield...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428085
... program upstream oil & gas gajewski geophysics full waveform inversion traveltime tomography Improving near-surface anomaly detection via a full waveform inversion scheme integrated with seis- mic diffraction tomography Parsa Bakhtiari Rad 1, Craig J. Hickey1, and Afshin Aghayan2, 1 National...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428160
... of surface and borehole locations of induced seismicity: Geophysical Prospecting, 58, 809 820, doi: httpsdoi.org/10.1111/j.1365-2478.2010.00867.x. Gajewski, D., D. Anikiev, B. Kashtan, E. Tessmer, and C. Vanelle, 2007, Localization of seismic events by diffraction stacking: 77th Annual International Meeting...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215487
...: Wednesday, September 18, 2019 Session Start Time: 1:50 PM Presentation Start Time: 2:40 PM Location: Poster Station 7 Presentation Type: Poster international exposition application gajewski seg license imaging geophysics bakhtiari rad optimum window stack section data enhancement...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997331
... model reservoir characterization upstream oil & gas hamburg fréchet derivative geophysics diffractor velocity model building gajewski inversion Bauer , A. , B. Schwarz , and D. Gajewski , 2017 , Utilizing diffractions in wavefront tomography : Geophysics...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2993019
... oil & gas event tag application enhancement schwarz bauer geophysics wavefront gajewski identification individual diffraction reservoir characterization field data unsupervised strategy diffraction data similarity Bauer , A. , B. Schwarz , and D. Gajewski...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996229
... ray propagator matrix velocity variation traveltime data-driven wavefront gajewski curvature lateral velocity variation dynamic ray determination wavefront operator reservoir characterization geophysics slowness vector university nip schwarz ray model-driven wavefront upstream oil...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996743
... Bauer , A. , B. Schwarz , and D. Gajewski , 2017 , Utilizing diffractions in wavefront tomography : Geophysics , 82 , no . 2 , R65 – R73 , 10.1190/geo2016-0396.1 . Bergler , S. , P. Hubral , P. Marchetti , A. Cristini , and G...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997020
... Bakhtiari Rad , P. , D. Gajewski , and C. Vanelle , 2016 , Diffraction separation based on the projected first Fresnel zone : 78th Annual International Conference and Exhibition, EAGE , Extended Abstracts , 10.3997/2214-4609.201600988 . Bakhtiari Rad , P...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995852
... algorithm global optimization location method reservoir characterization gajewski microseismic event differential evolution algorithm algorithm artificial intelligence microseismic location independent test upstream oil & gas machine learning Bischoff , M. , L. Fischer...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17794193
... PM Location: Exhibit Hall C, E-P Station 1 Presentation Type: EPOSTER dynamic ray normal incidence point geophysics diffractor seg seg international exposition velocity model gradient gajewski upstream oil & gas kinematic wavefield university wavefront tomography reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13949452
...:00 AM Location: 142 Presentation Type: ORAL reflection resolution inversion duveneck velocity model upstream oil & gas schwarz stereotomography diffracted contribution inverted model diffraction tomography gajewski geophysics semblance section seg seg international...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13868659
...: 166 Presentation Type: ORAL traveltime regularization cmp gather cr operator yujiang xie co section gajewski cr gather aperture upstream oil & gas artificial intelligence cr aperture dataset global enm method interpolation geophysics müller salt body reservoir...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13869438
... ukrainian shield common-reflection-surface stack annual meeting artificial intelligence workflow hard rock environment seg seg international exposition donba foldbelt hamburg conflicting dip gajewski university upstream oil & gas Barros , T. , R. Ferrari , R...
Proceedings Papers
Common-Reflection-Surface Stack Improvement by Differential Evolution and Conflicting Dip Processing
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5910957
... surface (CRS) (M¨uller, 1999; J¨ager et al., 2001; Mann, 2002) stack increases the signal-to-noise ratio significantly and its attributes can be used for further applications like diffraction separation (Dell and Gajewski, 2011) and prestack data enhancement (Baykulov and Gajewski, 2009). However...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5930197
... local refinement prestack slope determination geophysics schwarz cr stack extrapolation upstream oil & gas lateral heterogeneity reservoir characterization vanelle hamburg operator traveltime gajewski stereotomography slope information eastern mediterranean refinement...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5860962
...A zero-offset picking approach for pre-stack multiple attenuation Manizheh Vefagh , Stefan Du¨mmong and Dirk Gajewski, University of Hamburg SUMMARY The main objective of seismic data processing is to obtain in- formation about the subsurface structure and properties from the recorded data. Almost...
Proceedings Papers
Publisher: Society of Exploration Geophysicists
Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5756635
... and reflections already in the time domain (see, e.g. Landa et al., 1987; Khaidukov et al., 2004; Fomel et al., 2006; Dell and Gajewski, 2011). In this work, at the first step, we extend our 2D workflow for pre-stack diffraction separation (Bakhtiari Rad et al., 2014) to the 3-D case and suggest to combine...
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