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Keywords: composition
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Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 25–27, 2025
Paper Number: SPE-223839-MS
...) compositional simulator. The relevant equations and the solution method are described. Examples are illustrated that show the robustness of the method near the above conditions. pvt measurement calculation equation reservoir simulation enthalpy mole fraction simulator saturation temperature...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 25–27, 2025
Paper Number: SPE-223892-MS
... integrity production control injection fluid dynamics wellbore design subsurface storage enhanced recovery reservoir characterization fluid composition oldenburg injected fluid composition momentum equation journal wellbore model reservoir simulator composition voskov initial fluid...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 25–27, 2025
Paper Number: SPE-223919-MS
... by efficiently approximating and interpolating coupling data, ensuring both speed and accuracy. In this study, we compare the efficiency of different interpolation techniques used for the parametrization of complex many-component fluid systems in compositional simulation. We employ an Operator- Based...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 25–27, 2025
Paper Number: SPE-223921-MS
...-fidelity models, with numerous components. To accurately upscale compositional models thermodynamically adjusted non-equilibrium models are used in the coarse-scale formulation. In our method, compositional upscaling is applied with the operator-based linearization simulation framework. In this approach...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212254-MS
... Abstract Phase labeling can be very challenging for complicated compositional simulation cases. Inaccurate labeling can lead to issues ranging from incorrect resource accounting to non-convergent simulation runs. Accurate phase labeling algorithms are computationally demanding and are seldom...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212211-MS
... Abstract Compositional simulation run times grow significantly as we increase the number of components used to characterize our fluid (SPE 69575). Therefore, having usable and practical models requires that we minimize the number of components without sacrificing prediction accuracy...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212226-MS
...Compositional Wellbore Model Formulation In this section, we introduce the formulation for the fully compositional wellbore model integrated with pipeline fractional flow theory. The compositional model for the reservoir and fracture flow has been introduced in Zheng and Sharma (2020a...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203914-MS
... Abstract Equation-of-state (EOS) compositional simulation is commonly used to model the interplay between phase behavior and fluid flow for various reservoir and surface processes. Because of its computational cost, however, there is a critical need for efficient phase-behavior calculations...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203978-MS
..., and it ensures continuity of transport characteristics at solubilization changes in phase composition. fluid dynamics composition quantity saturation flow in porous media concentration relative permeability water relative permeability formulation reservoir simulation phase state discontinuity...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193898-MS
... of the component in both phases are equal. Numerically, it can be written as Abstract A novel formulation for modeling nonlinear reactive-compositional transport comprising of complex phase behaviors with chemical and thermodynamic interactions is presented. The precipitation/dissolution of minerals during...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193888-MS
... stability analysis water saturation saturation calculation composition dew point pressure capillary equilibrium stationary point fraction reservoir simulation psia gibb free energy algorithm Michelsen binary mixture capillary pressure tangent plane distance multi-component mixture...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193909-MS
... for an appropriate slug size design of low-salinity injection. Lastly, we observe that dispersion does not affect the ultimate oil recovery during wettability alteration as compared to reaction kinetics. waterflooding Austad carbonate brine composition enhanced recovery Engineering composition...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182655-MS
... are modelled to be independent of labeling and saturation paths. Furthermore, the impact of phase compositions on relative permeabilities was implemented by modelling phase wettability and interfacial tensions compositionally. In addition, the hysteresis effects on relative permeability model were added...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182592-MS
... Abstract This paper presents new coupled three-phase relative permeability and capillary pressures models for implementation in a four-phase flow compositional EOS simulator. Identification of hydrocarbon and aqueous phases based on their molar Gibbs free energy is a key feature of the new...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182648-MS
... calculations for the three hydrocarbon phases (LLV). Several algorithm improvements have been made to ensure stability and robustness of the flash engine over the full range of pressure and composition variation, without sacrificing computational efficiency. Secondly, a novel fit-for-purpose algorithm has been...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182651-MS
... is ruled by the Poisson Boltzmann problem which is also dictated by the magnitude of the surface charges at the two walls. This local charge is ruled by the composition of the brine and the chemical reactions that take place in the oil/water and clay/water interfaces [ 5 ][ 7 ][ 29 ]. Carboxylic material...

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