Orr, F M - Theory of Gas Injection Processes Episode 12 pot

... calculation of minimum miscibility pressure (MMP) or minimum injection gas enrichment for miscibility (MME). Several numerical schemes have been described, ranging from calculations based on mixing ... system and for a six-component system, both for injection of a pure component. A systematic procedure for calculating solutions for multicomponent systems with any number of compone...

Ngày tải lên: 12/08/2014, 16:21

... TWO-COMPONENT GAS/ OIL DISPLACEMENT 0.0 0.2 0.4 0.6 0.8 1.0 Overall Fractional Flow of Component 1, F 1 0.0 0.2 0.4 0.6 0.8 1.0 Overall Volume Fraction of Component 1, C 1 a i h g j fe d b c Figure ... 4. TWO-COMPONENT GAS/ OIL DISPLACEMENT 0 1 τ 0 1 d-e 0 1 τ 0 1 e -f 0 1 τ 0 1 ξ f- b 0 1 0 1 b-g 0 1 0 1 g-h 0 1 0 1 ξ h-i Figure 4.14: - diagrams for dis...

Ngày tải lên: 12/08/2014, 16:21

... those compositions. For example, if M moles of a mixture with overall compositions, z i1 , are mixed with N moles of mixture with compositions, z i2 , the overall composition of the resulting mixture ... availability of computing resources made solution of the set of nonlinear equations reasonable. Step 1 requires that some sort of initial guess of phase compositions be made...

Ngày tải lên: 12/08/2014, 16:21

... curves as a function of pore volumes of methane injected for the two density assumptions. 5.1. COMPOSITION PATHS 77 Similarly, elimination of f 1 from Eqs. 5.1.4 indicates that F 2 = α(η )F 1 + φ(η). ... two-phase mixture in which the volume fraction of the light component is 0.5, and the injection gas is also a two-phase mixture with a light component volume fraction of 0....

Ngày tải lên: 12/08/2014, 16:21

... volume fraction of component i in the single-phase mixture is a linear combination of the volume fractions of component i in the equilibrium liquid and vapor. Hence, the overall composition of ... oil and injection tie lines can be determined easily from the magnitude of K 2 or equivalently, from the location of the envelope curve for systems with constant K-values. The vast maj...

Ngày tải lên: 12/08/2014, 16:21

... systems. The volume of component i recovered is the volume of component i present initially plus the volume of component i injection through time, τ,minus thevolumeofcomponenti present at time ... a general form that makes clear the fact that the underlying mathematical description of the interaction of phase behavior and two-phase flow is common to a variety of displacement pro...

Ngày tải lên: 12/08/2014, 16:21

... Calculation of Minimum Miscibility Pressure. Fluid Phase Equilibria, 139:101 124 , 1997. [130] Wang, Y. and Orr, F. M. , Jr. Calculation of Minimum Miscibility Pressure. J. Petroleum Science and ... Calculation of Minimum Miscibility Pressure: Com- prehensive Testing and Its Application in a Quantitative Analysis of the Effect of Numerical Dispersion for Different Miscibility Deve...

Ngày tải lên: 12/08/2014, 16:21

... B Chapter 6–Four-Component Displacements Table B .12: Displacement details for Fig. 6.7 and 6.8 (no volume change). Composition route (in volume fractions) for a displacement of an oil with composition ... 201, 204 Michelsen, 27, 33, 238 minimum enrichment for miscibility, 119, 161 minimum miscibility pressure, 3, 120 , 213, 217 calculation of compositional simulation, 235–238 key tie li...

Ngày tải lên: 12/08/2014, 16:21

... partial fugacity of each component in each phase from a description of the volumetric behavior of the mixture. 3.2 Calculation of Partial Fugacity Equations of state in common use for gas/ oil systems ... medium bounded by a surface, S(t). A material balance on component i in the control volume can be stated as Rate of change of amount of compo- nent i in V (t) = Net rate of...

Ngày tải lên: 05/03/2014, 18:20