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Keywords: reservoir property
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Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3427560
... as an unknown. RJMCMC (reversible jump markov chain monte carlo) is an effective tool to solve such transdimensional problems; it generates high resolution models of reservoir properties. Here, we extend the RJMCMC algorithm to simultaneously invert for facies and elastic reservoir properties. At each location...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3425747
... Estimating reservoir properties from seismic data and well logs is one of the most important but challenging tasks in subsurface interpretation and reservoir characterization. Due to the sparsity of well logs and the limited bandwidth of seismic data, one reliable approach for robust subsurface...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, October 11–16, 2020
Paper Number: SEG-2020-3426233
... the seismic-derived reservoir properties, due to the restricted seismic resolution. Thus, we present an integrated workflow to accurately leverage the seismically derived reservoir properties based on the integration of geostatistical seismic inversion with geological, geophysical and engineering information...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216872
... (Chakraborty et al., 2017, Hartman et al., 2017). In this paper we show that this OBN data has allowed the application of our stochastic inversion workflow (ODiSI) (Connolly and Hughes, 2016) for reservoir property prediction. We demonstrate that the ODiSI process, based on matching a large number...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216895
... monitoring activities. However, more sophisticated geophysical tools are required to transform seismic data into reservoir properties so that the pressure and saturation effects from the CO EOR activities can be better understood. A novel simultaneous time-lapse joint inversion based on the wave-equation...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3196883
... ABSTRACT Poisson impedance (PI) has been widely used for characterizing sandstone reservoirs due to its larger sensitivity to the lithology and fluid, compared to the impedance. By adjusting the coefficient (c), we always found a good correlation between the PI and reservoir properties...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216620
... expected properties are subsequently perturbed to best fit the pre-stack seismic response by incorporating empirical rock physics models as constraints to the perturbation analysis. This methodology allows for deterministic prediction of reservoir properties, represented in a detailed 2D seismic model...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216607
... ABSTRACT Unconventional reservoirs cannot be characterized by relying on the juxtaposition of single-attribute analysis. To understand their complexity, many correlated static and dynamic reservoir properties need to be carefully and quantitatively analyzed as part of integrated...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216159
... of seismic inversion and how their results are used for reservoir characterization. The major challenge in reservoir property modeling of Oil industries is to integrate the vertical resolution of petrophysical data with seismic data for lateral as well as vertical extension. In deterministic inversion...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216387
... and production promoting. Presentation Date: Monday, September 16, 2019 Session Start Time: 1:50 PM Presentation Start Time: 1:50 PM Location: Poster Station 5 Presentation Type: Poster facies annual meeting affection seismic data platform performance data structural geology reservoir property...
Proceedings Papers

Paper presented at the SEG International Exposition and Annual Meeting, September 15–20, 2019
Paper Number: SEG-2019-3216321
... reservoir properties (saturation and pressure changes). A synthetic result demonstrates its predictive features in the presence of noise. A 3D MDN petrophysical inversion on the Norne field data revealed a significant saturation drop from the year 2003 to 2006. Presentation Date: Tuesday, September 17...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2986067
... as well. Reservoir Characterization Paleo-environment is the key-controlling factor that governs primary reservoir properties. From the regional paleo-environment of deposition point of view, the Bakken was deposited in a marginal marine setting. According to well log data, organic rich shale has lower...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997988
... ABSTRACT In this work, we propose an ensemble-based seismic history matching approach to predict reservoir properties, i.e. porosity and permeability, with uncertainty quantification, using both production and time lapse seismic data. To avoid the common underestimation of uncertainty...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2993625
... ABSTRACT In this work, we propose a stochastic nonlinear inversion framework for PP and PS seismic data based on the ensemble smoother with multiple data assimilations (ESMDA) to estimate elastic reservoir properties with uncertainty quantification. The ES-MDA is an iterative ensemble-based...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2977571
... in the prospects are sands of the Upper Cretaceous Nise Fm level (Figure 1). All recent discoveries at the Nyk High and Vema Dome show flat spots or amplitude anomalies related to hydrocarbon fill. In the Greater Aasta Hansteen area, the reservoir properties are generally good, with porosity values exceeding 30...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2998230
... ABSTRACT A successful reservoir characterization mainly includes derivation of rock properties from the seismic data and relates them to reservoir properties and mapping their distribution. Modelbased seismic inversion has been carried out to understand various rock properties from the 2D post...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996356
... ABSTRACT The variations of dynamic reservoir properties cause the change in seismic response. During the production phase, time-lapse seismic data can be used to monitor water saturation and pressure changes. The prediction of water saturation and pressure conditions from seismic datarequires...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996374
... ABSTRACT In this paper, I have applied multiple machine learning approaches, including both conventional methods and latest deep learning approaches, to predict seismic facies and invert for reservoir properties to provide better results and improve efficiency of current workflows...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2996428
... lithology reservoir property depth slice reservoir characterization seg international exposition channel complex high probability artificial intelligence annual international meeting annual meeting upstream oil & gas fluid content prediction machine learning prediction facies...
Proceedings Papers

Paper presented at the 2018 SEG International Exposition and Annual Meeting, October 14–19, 2018
Paper Number: SEG-2018-2997403
.... To exploit the FAVO response due to subtle changes in reservoir properties, we propose a new method to derive a reflectivity seismic volume from an input seismic volume. We then estimate frequency dependent AVO intercept, gradient, and curvature; and calculate P- wave velocity, S-wave velocity, and density...

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