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Keywords: 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-2021-3594722
..., and reservoir simulation to better map CO 2 saturation distribution from time-lapse seismic data. CO 2 saturation maps are typically derived from 4D seismic data using rock physics models to assess fluid saturation and pressure effects. We present here a combination of our rock physics understanding to guide...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581505
... core data in the South China Sea, using the cost and great difficulty in heat preservation and pressure indoor hydrate acoustoelectric testing device, the physical preservation technology (Li, 2019; Zhou, 2017). The study parameters such as acoustic wave, resistivity, saturation, of hydrate physical...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3581072
... and highly-constrained manner. As such they are inadequate for describing many of the complementary evolutions of P- and S-wave velocities that transpire with the generation of cracks. Using a differential model of decoupled compliances, we analyze published velocities on dry and brine-saturated limestone...
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-2021-3582666
... zones with resistivity increase: at 300 m depth (corresponding to the injection zone) and at 280 m depth (corresponding to a coal zone). The CO2 saturation estimated from the inverted resistivity models is in good correlation with the CO2 reservoir modelling. Between the two high-resistivity zones...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3582984
... Rock physics models are used to characterize and quantify rock properties such as reservoir quality or fluid saturation. The factors that control these rock properties are complex, and they require numerous assumptions and approximations. Good data quality is essential for reliable...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583782
... Wave induced fluid flow (WIFF) in fluid-saturated poroelastic media occurs due to conversion of fast to slow diffusion P-waves at mesoscopic scales, which are much larger than the average pore size and much smaller than the traveling fast Pwave wavelengths. In this work we show...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3412339
... Understanding the effects of pressures, fluid content, and fluid distributions on the elastic wave propagation in reservoir rocks is of great importance in guiding oil and gas exploration. A new theoretical model for the attenuation of partially saturated porous rock was developed by combining...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3419749
... We design a deep learning framework for carbon dioxide (CO 2 ) saturation monitoring to determine the geological controls on storage of CO 2 . We use different combinations of porosities and permeabilities for a given reservoir to generate saturation and velocity models. We train the network...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3421349
... on generating different S-wave modes, and to assess the subsurface illumination of these modes. In this study I model the effect of different fracture properties, density and saturation, on the radiated S-wave amplitude strength and azimuthal illumination relative to fracture orientation. The primary influence...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428191
...Effects of rock permeability and fluid saturation on seismic wave dispersion and attenuation of sandstone Qianqian wei*, Dehua Han, Teng Long, Zhengwei Xu, Rock Physics Lab, University of Houston Summary theories have been developed, some physical mechanisms dominating seismic attenuation remain...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3428220
... upstream oil & gas well 32900 reservoir characterization cherry prospect well logging porosity log analysis correlating porosity water saturation well log data prospect cherry ratio method saturation seg international exposition hydrocarbon saturation characteristic equation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426404
... The relationship between resistivity index and water saturation ( I - Sw ) is very important in formation evaluation via petrophysical data. Low permeability and complicated pore structure make it more difficult to determine I - Sw relationship through rock’s electrical property measurements...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427004
... international exposition geophysics enhanced recovery upstream oil & gas field research station inversion result inversion crosswell em saturation seismic earth model Joint Use of Crosswell EM and Seismics for Monitoring CO2 Storage at the Containment and Monitoring Institute Field Site (CaMI...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427110
... Recent investigations in shear waves (S-waves) that convert to compressional waves (P-waves) as primary reflections (SP-waves) model the effect of different fracture properties, density and saturation, on the radiated S-wave properties of amplitude and azimuthal illumination from vertical...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427916
... to their sensitivity to presence of gas hydrates. In this abstract, varied porosity evaluation methods are performed and compared for their applicability using well logging data from South China Sea. Furthermore, saturation of gas hydrates are subsequently estimated from logs based on rock physics modeling...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215734
... Start Time: 9:20 AM Presentation Start Time: 11:00 AM Location: Poster Station 5 Presentation Type: Poster saturation brine rock physics template well log normalized fluid factor avseth prf upstream oil & gas seismic data fluid identification reservoir characterization fluid...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215797
... templates were incorporated to study the reservoir under different geologically plausible scenarios and to correlate relative changes in P-impedance and Vp/Vs to pore pressure, porosity, fluid contact changes and fluid saturation changes that may be anticipated in the reservoir production life history...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215710
... using Preconditioned Conjugate Gradient Iteration (PCGI) and then solving for the magnetic field. A stability analysis of this FEM method was performed. The results show that the EM response might be sensitive enough to be monitored and the magnetic field correlates better with the saturation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3196883
... PM Presentation Start Time: 2:15 PM Location: 305 Presentation Type: Oral sandstone reservoir seg international exposition rock physics implication equation impedance application sediment model lithology reservoir characterization correlation well logging coefficient saturation...

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