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Keywords: mole fraction
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Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212189-MS
... reservoir geomechanics permeability displacement table united states government equation of state enhanced recovery reactivation mole fraction vector upstream oil & gas reservoir simulation tendency canada government transmissibility multiplier storage unit vector wellbore design flow...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212208-MS
... flow in porous media interaction diffusion shale wc2 gradient sorption calculation fluid dynamics equation of state convection mole fraction wc1 pore Introduction Although tight formations tend to result in inefficient oil recovery, they contributed more than 50% of domestic oil...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, March 28–30, 2023
Paper Number: SPE-212218-MS
... interaction molecular simulation mudstone clastic rock slit pore composition preferential adsorption geologist mole fraction quartz boundary geological subdiscipline geology sedimentary rock mudrock rock type Introduction Currently, more than 80% of the global energy comes from fossil...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, October 26, 2021
Paper Number: SPE-203912-MS
... N c , total number of components x i , i'th hydrocarbon component mole fraction in Oleic phase, i≠w y i , i'th hydrocarbon component mole fraction in Gaseous phase y w , water component in the Gaseous phase w i , i'th component mole fraction in aqueous phase, i = w...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193879-MS
... mole fraction fluid phase equilibria direct minimization thermal-hydraulic-mechanical simulation reservoir permeability fraction equation cold co 2 minimization society of petroleum engineers Introduction CO 2 flooding is a proven and promising EOR technique for tertiary recovery...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, April 10–11, 2019
Paper Number: SPE-193898-MS
... designed simulation framework. This framework uses molar formulation with a consistent reduction of governing mass balance equations from component to element mole fractions. The thermodynamic phase behaviour is extended by including the chemical equilibrium reactions in the multiphase thermodynamic flash...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182702-MS
... problem Michelsen equation mole fraction CPU time enthalpy entropy brantferger Introduction Thermal reservoir simulations are important for the design and development of heavy oil resources. Current industry practice in thermal simulations is to use a K-value based approximation...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Conference, February 20–22, 2017
Paper Number: SPE-182703-MS
... realm of physics: stay with mole fractions for hydrocarbon components, allow for concentration variables for species found in the aqueous phase. Partitioning of components into phases is greatly simplified via a pseudo-component fluid abstraction hierarchy (i.e., phase – pseudo component – pure...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163630-MS
... secondary variable simulator primary variable material balance error Branco flow in porous media primary equation Wang mole fraction formulation implicit formulation Upstream Oil & Gas physical property Material Balance Equation compositional reservoir simulation equation Introduction...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163634-MS
...-dimensional states are projected (optimally) into a low-dimensional subspace using POD. The compositional POD-TPWL model is based on a molar formulation that uses pressure and overall component mole fractions as the primary unknowns. Several new features, including the use of a Petrov-Galerkin projection...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163598-MS
... measurement Simulation Modeling & Simulation Upstream Oil & Gas calculation equation of state simulation time simulator thermodynamic property package mole fraction formulation mollerup phase split calculation shadow region method phase equilibrium calculation reservoir simulation...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 18–20, 2013
Paper Number: SPE-163632-MS
... μ r k ρ r k Z r i k Where, for phase k, kr rk is the relative permeability, μ rk is the viscosity, ρ rk is the density, and z rik is the mole fraction of component, i . For injecting perforations, the equations are: (6) Q rip = C...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-141907-MS
... applications in improved oil recovery in water-flooded oil reservoirs, and CO 2 sequestration. fluid modeling reservoir simulation compositional modeling equation of state compressibility artificial intelligence solubility firoozabadi composition mesh flux mole fraction computation enhanced...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-142093-MS
... permeability composition mole fraction molar gibb free energy permeability model compositional simulator gibb free energy relative permeability saturation Introduction Jerauld (1997) , Blunt (2000) and Fayers et al . (2000) among others long ago recognized that relative permeability...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-141937-MS
... upstream oil & gas composition diffusion coefficient classical fick modeling & simulation convection molecular diffusion diffusion interface gradient pvt measurement equation mass transfer generalized fick mole fraction balance constraint Introduction Predicting mass transfer...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-141898-MS
... processes. equation of state translation calculation reservoir simulation peng-robinson equation prediction modeling & simulation upstream oil & gas density prediction fluid modeling pvt measurement pr eos composition phase equilibria saturation convergence mole fraction...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 21–23, 2011
Paper Number: SPE-142191-MS
... pressure range spe 142191 equation of state compressibility factor shift parameter procedure injection experimental data fluid modeling concentration co 2 aqueous phase high pressure carbon dioxide calculation solubility mole fraction society of petroleum engineers Introduction...
Proceedings Papers

Paper presented at the SPE Reservoir Simulation Symposium, February 2–4, 2009
Paper Number: SPE-118833-MS
... = − ∇ ⋅ ( x i ξ u + J i ) + q i , i = 1 , 2 , … , N c where φ is the porosity, ξ and u are the fluid molar density and velocity, and x i , q i and J i are the mole fraction, the source/sink term, and the diffusive mass flux of the i th component...

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