...) to reduce the viscosity of bitumen via solvent diffusion and latent heat transfer. However, similar to its thermal counterparts, the WSI recovery response is also highly sensitive to the underlying reservoir heterogeneities, e.g., shale barriers; in particular, the conformance of solvent chamber advancement...

... dispersion behavior when compared to both unconsolidated and uniformly cemented rocks, suggesting that the cementation pattern remarkably influences the miscible-flood performance. flow in porous media heterogeneity Upstream Oil & Gas Simulation enhanced recovery Péclet number Reservoir...

... attributed to severe heterogeneity and early models used high permeability streaks to match performance. However, saturation logs and selective zonal flow back of a few wells showed that injected water was not confined to select high permeability streaks but was widespread both areally and vertically...

... Abstract Shale barriers may act as flow barriers with adverse impacts on the steam chamber development, as observed in numerous field-scale SAGD projects. Efficient parameterization and inference of such heterogeneities in 3D models from production data remain challenging. A novel workflow...

... computational effort would be valuable. In this paper, a reliable proxy for predicting SAGD performance is developed. This model can handle different operating pressure strategies and uses a distinctive approach to capturing the impact of reservoir heterogeneity. The approach is an approximate solution using...

... presents a mechanistic analysis of ES-SAGD in heterogeneous reservoirs in terms of cumulative steam-oil ratio (SOR) as a function of steam-chamber size. Simulation case studies for SAGD and ES-SAGD with normal hexane are conducted for geostatistical realizations of two types of heterogeneous Athabasca...

... using a heterogeneous dynamic simulation model. Predicted fluid production rates and reservoir pressure compared well with measured data. This study provides clearer insights into XHO performance. The improved understanding will result in a more reliable production forecast and an optimal development...

... pay thickness, have been taken from average values for several pads in Suncor's Firebag project. Reservoir heterogeneities are simulated by superimposing sets of idealized shale barrier configurations on the homogeneous model. The location and geometry of each shale barrier is parameterized...

... Abstract SAGD recovery is strongly impacted by distributions of heterogeneous shale barriers, which impede the vertical growth and lateral spread of a steam chamber and potentially reduce oil production. Conventional reservoir heterogeneities characterization workflows that entail updating...

... Abstract An approach based on artificial intelligence (AI) tools is being used to explore the influence of shale heterogeneities on SAGD production. In this project, the production data is derived from a set of synthetic SAGD reservoir simulations based on petrophysical properties...

... where steam rises and bitumen and condensate drains within the reservoir. Given the vertical and horizontal flow within the reservoir, SAGD performance is strongly affected by reservoir heterogeneity. In the field, poor SAGD performance commonly arises from two challenges: first, steam breakthrough from...

... combination reservoir case enhancement Simulation operation heterogeneous reservoir society of petroleum engineers kpa injection well pair heterogeneous case SAP sor 2d-sap simulation permeability homogeneous reservoir investigation proppant butane sagd canada 2d-sagd simulation producer...

... to the presence of reservoir heterogeneities. A possible solution to address these challenges is the inclusion of flow control devices (FCDs) in SAGD completions. In order to quantify the impact of including FCDs in the SAGD process, this study was performed by numerical analysis with a model built from publicly...

... cannot be visually examined. In this study, Field 1 bitumen was more degraded than Field 2, and showed significant lateral heterogeneity in bitumen composition trends. Field 2 on the other hand had very little lateral variability in geochemical trends. Alkylnaphthalenes, alkylphenanthrenes, and steranes...

... Abstract Fully heterogeneous three-dimensional SAGD simulation models are computationally expensive to evaluate, necessitating the need for simpler models that can capture the overall physics of the process while reducing computation time. This paper sheds some insights into the effect...

... (beyond the Polar Circle), considerable heterogeneity, compartmentalization of poorly cemented sandstones as well as the presence of extensive gas cap, bottom water, and thick permafrost zone. OJSC "Tyumenneftegaz", a subsidiary of Rosneft, has been responsible for the pilot works to seek operational...

... their effects on SAGD performance; however, a comprehensive and systematic investigation of the heterogeneous distribution (location, continuity, size, and proportions) of shale barriers and lean zones is still lacking. In this study, numerical simulations are used to model the SAGD process. Capillarity...

... displacement of heavy oil in a three dimensional heterogeneous porous medium pattern. In direct pore-level modeling, Navier-Stokes, Diffusion-Convection and Continuity equations, as the governing equations of dispersion, are directly applied and solved on the 3-D porous medium without any simplification...

... fingering, heterogeneity of the porous medium can be a source of instability in displacement processes which has significant interactions with the viscous forces. The coupling between viscous fingering and heterogeneity induced channeling has been deemed to enhance the instabilities by increasing the growth...

... Simulation reservoir temperature enhanced recovery Upstream Oil & Gas electrical operating condition conductivity heavy oil Canadian Petroleum Technology injection hybrid thermal-chemical process optimization problem heterogeneity heating saturation Oil Recovery electrical heating...