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Keywords: gas saturation
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Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3580913
... sensitivity exploration geophysicist 10 splitting upstream oil & gas brine fractured rock stiffness tensor gas saturation frequency applied geoscience effective stiffness tensor fracture different scale Some problems of recognizing oriented fractures at different scales with the help...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582997
... frequency extraction application gas sand applied geoscience order term amplitude gas saturation reservoir characterization frequency band geophysics saturation interface upstream oil & gas frequency-dependent avo exploration geophysicist 10 thin-bed mapping douglas foster...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3577776
... general features quality and uncertainty ranges. Finally, we applied solution. With the use of Monte Carlo simulations (Xue et an iterative approach to estimate changes in the water al., 2019) or existing simulation grids (Dramsch, 2019), the saturation, gas saturation and pore pressure of the reservoir...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426212
... of partially saturated rocks have been to gas saturation tend to be decreased under the drained and sparsely documented. The primary objective of this abstract partially drained condition. is to investigate the effect of boundary conditions on the seismic wave dispersion and attenuation characteristics...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214313
... variation seismic response lithology parameter carbonate reservoir sichuan basin case study rock physical analysis upstream oil & gas application reservoir characterization gas saturation inversion result annual meeting Biot , M. A. , 1956 , Theory of propagation of elastic...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3214872
... ABSTRACT Commercial and low gas saturation (also called paleo-residual gas, PRG) both appear as bright amplitude on P-wave seismic data. This is a common exploration risk in Columbus basin. Since density has strong inverse correlation with gas saturation, it should effectively differentiate...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2994031
... inversion is just a qualitative analysis method, and the result is a kind of attribute to detect whether the reservoirs contain gas or not. Dispersion is caused by the existence of fluid, in other words, the amount of gas saturation will affect the degree of frequency dispersion. In this abstract, based...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995224
..., the high-precision sand and mudstone identification results are obtained, which are in good agreement with the logging results and can replace the conventional gamma inversion method. Finally, the prediction results of porosity and gas saturation are got by fitting the formula of velocity-porosity...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2986948
...) has a one acre, 35-foot-tall open paleochamber near the middle with 100% porosity and 100% gas saturation (Figures 2, 3). The larger Scorpion Paleocave Complex (SPC) covers over 40 acres of high porosity (50%–100%) limy dolomite caverns. A synthetic seismogram study developed numeric relationships...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17799758
... enormously mitigates the ambiguity and estimates more unknowns. The results for gas saturation and porosity is in good agreement with previous research in this area. Presentation Date: Wednesday, September 27, 2017 Start Time: 4:20 PM Location: 330A Presentation Type: ORAL annual meeting...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17673798
... velocity p-wave attenuation seg seg international exposition gas saturation attenuation s-wave velocity Carcione , J. M. , S. Picotti , D. Gei , and G. Rossi , 2006 , Physics and seismic modeling for monitoring CO 2 storage : Pure and Applied Geophysics , 163...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13769435
... the same condition of gas saturation. Finally, the numerical attenuation and dispersion of the medium containing three kinds of fluid, alternatively, are also presented. Presentation Date: Tuesday, October 18, 2016 Start Time: 4:10:00 PM Location: 150 Presentation Type: ORAL seg seg...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13950457
... ABSTRACT In the exploration of shale gas reservoir, the evaluation parameters such as lithology and gas content has the great significant for search of "sweet spot". This article introduces a multi-detectors pulsed neutron logging technology used for determining formation gas saturation...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13609529
... ABSTRACT Various models have been proposed to link partial gas saturation to seismic attenuation and dispersion, suggesting that the reflection coefficient should be frequency-dependent in many cases of practical importance. Previous approaches to studying this phenomenon have typically been...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13850733
... ABSTRACT Based on 1D White's model, we study the dispersion characteristics varied with gas saturation in two kind of patchy-saturated sanstone reservoir models, which are single-interface model and thin-layer model. Firstly, we calculate and validate the sensitivity of P-wave velocity...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5900283
... parameter estimation better estimation approximation reservoir characterization artificial intelligence equation reservoir scenario rms error bhakta saturation gas saturation Better estimation of pressure-saturation changes from time-lapse PP-AVO data by using non-linear optimization method...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5904497
... is constructed as Dvorkin-Mavko attenuation model, which is sensitive to the gas saturation at different frequency bands. Lastly, we use a generic algorithm to do a joint Qp and Qs inversion process, computing the distribution of various parameters. The advantage of applying generic algorithm is its good...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5748135
... was modeled with the Chapman et al. (2002) squirt model. porosity dispersion sw 100 frequency-dependent pp water saturation attenuation upstream oil & gas ps reflection lower medium gas saturation two-layer model reflection reservoir characterization velocity dispersion chapman...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5734872
... exploration polarization anomaly polarization resistivity anomaly upstream oil & gas interpretation oilfield test show drilling risk assessment reservoir characterization joint em em-seismic interpretation hydrocarbon reservoir resistivity anomaly seismic data gas saturation...
Proceedings Papers

Paper presented at the 2015 SEG Annual Meeting, October 18–23, 2015
Paper Number: SEG-2015-5838162
... (Langseth and Landro, 2012). Energy absorption also relates directly to pore pressure and gas saturation (Winkler and Murphy, 1995). Generally accurate and precise estimation of attenuation is considered challenging (Reine et al., 2012). However Blanchard et al. (2010) showed that estimation of time-lapse...

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