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Keywords: composition
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Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
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
Publisher: Society of Petroleum Engineers (SPE)
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
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203956-MS
... aqueous phase abushaikha enhanced recovery pvt measurement correlation composition activity coefficient petroleum engineer michelsen reservoir simulation calculation co 2 fraction fluid phase equilibria Introduction The costs of enhanced oil recovery (EOR) processes from hydrocarbon...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203978-MS
... composition. fluid dynamics composition quantity saturation upstream oil & gas phase transition miscible term expression reservoir simulation phase state discontinuity algorithm flow in porous media ternary diagram capillary pressure concentration relative permeability water...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193865-MS
... of calcite surface zeta potential in presence of different brine compositions. We also modify and optimize a diffuse layer model for the oil/brine interface. We then use the optimized surface complexation models with a finite-volume solver to model the two phase reactive transport of oil and brine in a chalk...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193888-MS
... convergence to non-physical solutions when the mixture is stable. complex reservoir PVT measurement gas-condensate mixture calculation composition dew point pressure Upstream Oil & Gas stability analysis water saturation saturation capillary equilibrium stationary point fraction...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193909-MS
... The main challenge, however, is to identify the wettability-determining species. The model must be tuned for the specific reservoir of interest ( Zhang and Morrow, 2006 ; Lager et al ., 2008 ; Purswani et al ., 2017 ). Wettability alteration as a function of composition must be determined...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193898-MS
... 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 reactive flow in subsurface reservoirs is modeled in the newly...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
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
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182603-MS
... liquid rich shale (LRS) reservoirs is growing globally. Compositional modeling of fractured multiphase shale reservoirs is a complex process that is yet to be fully understood. Our quest in this work is to explore some of the key fundamentals of flow in nano-porous media. This study analyzes the impact...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182643-MS
... dimeters. This effect can result in a composition difference between pores with large and small diameters in shale reservoirs (sieving effect), with small pores mostly filled with smaller hydrocarbon molecules and large molecules residing in larger pores. To account for such a diverse behavior, this paper...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182594-MS
... Upstream Oil & Gas computational time Artificial Intelligence Firoozabadi composition gas injection moortgat péclet number diffusion flow regime fracture Oil Recovery matrix fractured reservoir diffusion calculation Introduction Molecular diffusion is the movement of molecules...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
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
Publisher: Society of Petroleum Engineers (SPE)
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...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182648-MS
... precipitation, leading to the co-flow of two hydrocarbon liquid phases in the reservoir with distinctive phase compositions and viscosities. Under low pressure, up to three hydrocarbon phases may co-exist, resulting in a LLV three-phase system. Numerous field and laboratory studies on this phenomenon have been...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182703-MS
... phase systems with lumped (pseudo-) components (i.e., black oil) to fully compositional fluid descriptions that track a multitude of species individually and with thermal effects. In order to keep these features manageable and performant sound and efficient, abstractions have to be devised. One...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182668-MS
...-component flow is the integration of pressure, temperature and compositional variation along the wellbore, taking into account the slippage between phases. This problem is solved by coupling mass, momentum and energy balance equations [ 21 - 23 , 26 - 32 ] and integrating the results with the equation...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182685-MS
... Abstract The nonlinear nature of flow and transport in porous media requires a linearization of the governing numerical model equations. We propose a new linearization approach and apply it to complex thermal-compositional problems of practical interest. The approach approximates exact physics...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182679-MS
...Flash equations Let X i and Y i be the mass fractions of component i in the liquid and vapor phases, respectively, which are defined as Abstract Compositional simulation is attractive for a wide variety of applications in reservoir simulation and it is especially valuable when...
Proceedings Papers
Publisher: Society of Petroleum Engineers (SPE)
Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182725-MS
...Introduction Abstract Enhanced Oil Recovery (EOR) processes involve complex flow, transport, and thermodynamic interactions; as a result, compositional simulation is necessary for accurate representation of the physics. Flow simulation of compositional systems with high-resolution reservoir...
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