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Reservoir geophysics attributes

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Proceedings Papers

Paper presented at the SPE Middle East Oil & Gas Show and Conference, March 6–9, 2017
Paper Number: SPE-184030-MS
... petrophysical joint inversion (PJI) codes and tested them on simulated and field data. We also designed a rigorous workflow for reservoir characterization through PJI of multi-geophysical attributes and measurements. First, we conduct analysis and inversion of the available well log data to understand...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 3–5, 2000
Paper Number: SPE-59342-MS
... Abstract Sequential application of three-dimensional (3-D) seismic surveys has led to the concept of time-lapse (4-D) seismic monitoring. Changes in reservoir geophysical attributes during the life of a reservoir can be predicted by calculating the attributes as a function of time using...
Proceedings Papers

Paper presented at the SPE/DOE Improved Oil Recovery Symposium, April 13–17, 2002
Paper Number: SPE-75149-MS
... model with a traditional flow simulator. The integrated flow model was originally devised to assist in the design and analysis of timelapse seismology 1–3 because the petrophysical model can calculate such reservoir geophysical attributes as acoustic impedance, reflection coefficient, shear velocity...
Proceedings Papers

Paper presented at the SPE Annual Technical Conference and Exhibition, October 3–6, 1999
Paper Number: SPE-56517-MS
... Abstract Changes in reservoir geophysical attributes during the life of a reservoir can be predicted by calculating the attributes as a function of time. This paper describes the calculation of reservoir geophysical attributes using an integrated flow model for the following reservoir...
Proceedings Papers

Paper presented at the SPE Gas Technology Symposium, April 30–May 2, 2002
Paper Number: SPE-75511-MS
... devised to assist in the design and analysis of timelapse seismology. 1–3 The petrophysical model can calculate such reservoir geophysical attributes as acoustic impedance, reflection coefficient, shear velocity, and compressional velocity. In this paper, we show how to use the integrated flow model...
Journal Articles
SPE Res Eval & Eng 6 (02): 108–116.
Paper Number: SPE-83730-PA
Published: 01 April 2003
... integrated flow model (IFLO) based on a widely used petrophysical model has been developed and applied to a range of reservoir systems. 6,7 The petrophysical model must be able to calculate reservoir geophysical attributes that can be compared with seismic velocity and impedance measurements. The algorithm...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 2–4, 2009
Paper Number: SPE-118839-MS
... the calculation of seismic attributes in a flow simulator. This paper describes a petroelastic model embedded in a multi-purpose flow simulator. The flow simulator may be used to model gas, black oil, compositional, and thermal systems. The petroelastic model can calculate such reservoir geophysical attributes...
Journal Articles
SPE Res Eval & Eng 13 (01): 37–43.
Paper Number: SPE-118839-PA
Published: 04 February 2010
... may be used to model gas, black-oil, compositional, and thermal systems. The PEM can calculate reservoir geophysical attributes such as compressional-wave ( P -wave) and shear-wave ( S -wave) velocities and impedances, dynamic and static Young's moduli, and dynamic and static Poisson's ratios...
Proceedings Papers

Paper presented at the SPE/EPA/DOE Exploration and Production Environmental Conference, February 26–28, 2001
Paper Number: SPE-66569-MS
... the life of the reservoir and make it possible to track changes in seismic variables as a function of time, which is the basis for time-lapse seismic analysis. The integrated flow model provides information that can be used to predict which reservoir geophysical attribute, or combination of attributes...
Proceedings Papers

Paper presented at the SPE/EPA/DOE Exploration and Production Environmental Conference, February 26–28, 2001
Paper Number: SPE-66749-MS
... Petrophysical Algorithms The feature that makes the IFLO simulator unique is the incorporation of additional petrophysical algorithms. These algorithms calculate reservoir geophysical attributes that can be easily compared with seismic measurements. The calculation of these attributes requires the input of new...
Proceedings Papers

Paper presented at the SPE Russian Petroleum Technology Conference, October 12–15, 2021
Paper Number: SPE-206520-MS
... of the presented technologies was demonstrated by analyzing the properties of low-permeable carbonate reservoirs, where classical attributes and inversion demonstrate limitations in describing a heterogeneous saturation model. The use of neural network approaches allows to configure complex nonlinear dependencies...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998051
.... J. Marfurt, 2005, Seismic attributes A historical perspective: Geophysics, 70, no. 5, 3SO 28SO, httpsdoi.org/10.1190/1 .2098670. Chopra, S., R. K. Sharma, A. K. Ray, H. Nemati, R. Morin, B. Schulte, and D. D Amico, 2017, Seismic reservoir characterization of Duvernay shale with quantitative...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3575102
... geology approximation exploration geophysicist 10 upstream oil & gas reservoir characterization fluid factor geophysics reflection coefficient reflectivity indicator smith applied geoscience amplitude avo intercept gradient A new expression for fluid factor using AVO intercept...
Proceedings Papers

Paper presented at the 2016 SEG International Exposition and Annual Meeting, October 16–21, 2016
Paper Number: SEG-2016-13850733
... and attenuation to gas saturation in patchy-saturated rocks. Then, we apply the propagator matrix method to model the frequency-dependent AVO responses and seismic responses of layered reservoir. Lastly, we quantitively calculate the dispersion attributes through frequency-dependent AVO inversion from seismic...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2990942
.... , and C. A. Link , 2004 , Genetic-algorithm/neural-network approach to seismic attribute selection for well-log prediction : Geophysics , 69 , 212 – 221 , 10.1190/1.1649389 . Dumitrescu , C. C. , G. Larson , F. Mayer , and D. Talinga , 2014 , Reservoir...
Proceedings Papers

Paper presented at the SPE/AAPG/SEG Unconventional Resources Technology Conference, July 22–24, 2019
Paper Number: URTEC-2019-337-MS
... miles of multi-client 3D data jointly owned by Geophysical Pursuit, Inc. (GPI) and Fairfield Geotechnologies (FFG) in the Denver-Julesburg Basin (DJ). The purpose of the study was to evaluate the effectiveness of a machine learning workflow to improve resolution within the reservoir intervals...
Proceedings Papers

Paper presented at the 2017 SEG International Exposition and Annual Meeting, September 24–29, 2017
Paper Number: SEG-2017-17789870
... decomposition by matching pursuit : Geophysics , 72 , no. 1 , V13 – V20 , 10.1190/1.2387109 . Zheng , X. , Y. Li , J. Li , and X. Yu , 2007 , Reef and shoal reservoir characterization using paleogeomorpology constrained seismic attribute analysis : 77th Annual...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3215292
... ABSTRACT Exacting discontinuity features recently attracts not only interpreters, but also the reservoir engineers. As small discontinuities in reservoir may affect fluid flow and production. However, traditional discontinuity attributes cannot properly identify those weak and subtle features...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2995941
... for quantitative seismic interpretation. The field-data application on a lower Silurian-age shale-gas reservoir shows the feasibility of both approaches. The shale formation can be discriminated from surrounding formations by using the combination of the attributes A and C, and the gas-bearing shale can...
Proceedings Papers

Paper presented at the SEG/AAPG/SEPM First International Meeting for Applied Geoscience & Energy, September 26–October 1, 2021
Paper Number: SEG-2021-3583137
... fractures of different scales and analyze the law of reservoir development is the focus of this study. This research uses a high-precision multi-scale curvature attribute, the core of which is to further improve the conventional curvature solving algorithm, which improves the accuracy of curvature...

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