...A. A. Shinta; Abbas Firoozabadi Summary An association model has been incorporated in the Peng-Robinson equation of state (PREOS) to use the combined model for water/res-ervoir crudes phase-behavior calculations. The interaction coefficients between H 2 O and hydrocarbons follow a simple...

... interaction reservoir engineering adsorption organic matter engineering reservoir geochemistry reservoir characterization upstream oil & gas heterogeneity spe reservoir engineering compound phenol petroleum coefficient reservoir composition geochemistry application variation reservoir...

... Copyright 1996, Society of Petroleum Engineers capillarity-driven crossflow orientation dispersion hcpvi enrichment mechanism diffusion coefficient experiment permeability enhanced recovery mass transfer experiment miscible method diffusion gas injection method crossflow simulation...

... 11 1995 1 2 1996 1 2 1996 Copyright 1996, Society of Petroleum Engineers The spreading coefficient of oil on water in presence of gas, denoted by K , is defined 18 as a balance of interfacial tensions: (1) K = σ w g − ( σ w o + σ o g...

... on this phenomenon and to clarify recent misconceptions that have arisen. Additional flow experiments have been made and analyzed to support the conclusions of this work. berea core literature non-darcy flow coefficient kpa upstream oil & gas engineering flow coefficient phillips petroleum co flow...

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... are often masked by the influence of binary interaction coefficients. Recently, Danesh et at . 7 showed that the Mathias et at . procedure cannot be extended to mixtures. They proposed a volume-translation distance parameter, which is a function of the equilibrium ratio of the lightest and the heaviest...

... information elasticity block heterogeneity adjustment process reservoir characterization fluid dynamics block coefficient upstream oil & gas coefficient grid potential energy For reservoir simulation based on the finite-difference method, the domain is divided into gridblocks...

... drainage heat balance fracture system permeability caprock spe reservoir engineering reservoir coefficient thermal method steam injection steam-injection rate upstream oil & gas temperature-transition zone enhanced recovery fluid dynamics equation sensible heat latent heat complex...

... rapidly decreases at field scale if larger water barriers exist. for i =2 or 3 and j =S 1 or s 2 , and (3b) ψ i j = d y o w / d t V M i j C i j for i = 1 and j= s 1 ; where D ij = effective binary diffusion coefficient of Species i...

.... Inspectional analysis has been discussed by a number of authors. 8 In this procedure, the relevant differential equations are combined to form a single equation, and the coefficients are made dimensionless to derive the scaling groups. For the same variables, dimensional analysis may yield a larger number...

... compositional model computation time artificial intelligence reservoir simulation research corp timestep upstream oil & gas calculation processor fluid modeling coefficient modeling & simulation and water balance, Compositional reservoir simulators are used to study hydrocarbon...

.... This limitation of the PREOS results from an improper procedure of determining coefficients a, b , and α for the plus fraction and for hydrocarbon components with critical temperatures less than the system temperature (i.e., methane and nitrogen). This paper presents a practical approach to calculating...

... displacement experiment representation measured data Fluid Dynamics displacement data spe reservoir engineering relative permeability value prediction procedure relative permeability curve coefficient The petroleum industry relies extensively on numerical reservoir simulation to predict how...

... coefficient was used as an effective mixing coefficient, α e , to describe the effects of physical dispersion and flow instabilities. For the high-viscosity-ratio systems (CO 2 /Fluid A and CO 2 /Fluid B), α e was determined by history matching the displacement performance of a single test, Test 3 (16...

...Jerry L. Jensen; Iain D. Currie Summary We propose a new method to estimate the Dykstra-Parsons coefficient that leads to a more statistically reliable indication of the true heterogeneity level. The new method extracts more information from the data to produce an estimate that gives half the error...

... solution coefficient SPE Reservoir Engineering micellar polymer flooding high-ph front acidic component Use of alkaline chemicals to enhance oil recovery has been documented for several decades. 1 , 2 Most of the work specifically to quantify these processes, however, has been performed...

... dual-porosity system permeability fracture medium coefficient average reservoir pressure Capabilities to simulate and understand recovery performance are required for the optimum exploitation and development of naturally fractured reservoirs. Most models developed for simulating fractured...

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