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Keywords: low-frequency model
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Proceedings Papers

Paper presented at the SEG/AAPG International Meeting for Applied Geoscience & Energy, August 26–29, 2024
Paper Number: SEG-2024-4093660
... features are genuinely indicated by the data. Secondly, we explore its application in adjusting raw stochastic inversion outputs to obtain geologically coherent volumes, thus enhancing uncertainty evaluations in interpretation and reservoir modeling. Our findings suggest enforcing the low-frequency model...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583959
... of sublacustrine content is high, showing obvious "vermicular" reflection fan. Therefore, we use pre-stack method to predict reservoir. characteristics on seismic section, and reflection of fan boundary becomes weak. On the other hand, on the edge of At present, the pre-stack low-frequency model is established...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3417800
...-frequency model may cause the incompatibility between the continuity and accuracy, because the inversion results are sensitive to the parameter of the model constraint term. We found that the smoothing effect of low-frequency model is mainly controlled by a specific frequency band. Therefore, it is possible...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427014
... value of sensitive factor (a) volume,the low frequency information should be introduced and would play an important role in the (b) inversion. Usually such a model is constructed by well logs Figure 4: low frequency models constructed by conventional and seismic interpretation horizons, which may...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215462
... ABSTRACT An improved anisotropy inversion method presented in this study is to predict high angle fractures quantitatively. Firstly, azimuthal anisotropy inversion based on isotropic low-frequency model is conducted to derive the corresponding anisotropy parameters, namely, anisotropy...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995959
... well log reservoir characterization machine learning inversion result s-wave velocity information inversion method reflectivity bayesian theory low-frequency model noise inversion annual meeting seismic data stability artificial intelligence avo multi-trace group sparse inversion...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17787764
..., September 26, 2017 Start Time: 3:55 PM Location: 370D Presentation Type: ORAL low-frequency model saturation inversion result rock physics model physics inversion seg seg international exposition upstream oil & gas artificial intelligence time lapse rock physics inversion rock physics...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13688732
... anisotropy anisotropy amplitude low frequency pre-stack inversion pass inversion low-frequency model upstream oil & gas mesdag elastic property frequency azimuthal variation reservoir characterization azimuthal inversion anisotropy magnitude azimuth orientation inversion...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5901715
..., petrophysical analysis is performed for drilled wells within the work area to select reservoir-sensitive parameters. Second, broadband seismic data is segmented to study the response of each band of frequency component to the lithology, and a low-frequency model that combines seismic information with log...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5869979
... are not neglected. seismic data inverse methodology elastic model model parameter space inversion methodology inverse model inversion algorithm low-frequency model inverse procedure procedure azevedo deterministic approach upstream oil & gas parameterization inversion benchmark seismic...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5851713
... of low-frequency information degrades the quantitative prediction based on seismic inversion. So, it is essential to build an accurate low-frequency model to have confidence in seismic inversion and in turn on the quantitative predictions made therefrom. In this paper, we develop a new workflow...
Proceedings Papers

Paper presented at the 2009 SEG Annual Meeting, October 25–30, 2009
Paper Number: SEG-2009-2496
... geophysics seismogram well 1 international exposition constraint well 3 inversion low-frequency model post-stack inversion upstream oil & gas thin sand geologic model us government geologic interpretation artificial intelligence well constraint study inversion slice seg...
Proceedings Papers

Paper presented at the 2008 SEG Annual Meeting, November 9–14, 2008
Paper Number: SEG-2008-1885
... Annual Meeting Main Menu 1885 Global acoustic impedance inversion for porosity and lithology in northern GoM the best solution of the subsurface model, and a low- frequency model was used as the initial (prior) model. Constraints in horizontal continuity, deviation from the prior model, the presence...
Proceedings Papers

Paper presented at the 1986 SEG Annual Meeting, November 2–6, 1986
Paper Number: SEG-1986-0419
... ABSTRACT No preview is available for this paper. thickness sulfur coal waveform functional dependency operation seam sulfur content upstream oil & gas ash sulfuratio southeast kentucky low-frequency model kentucky hazard coal seam prediction mining operation...

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