A Very Simple Multiple Mixing Cell Calculation To Compute the Minimum Miscibility Pressure Whatever the Displacement Mechanism

Abstract

In this paper, an easily computable algorithm, allowing the calculation of the minimum miscibility pressure (MMP) whatever the displacement mechanism, is described. Such an algorithm is based on a multiple mixing cell calculation without any porous media. Only thermodynamic equations are taken into account i.e., a P/T flash routine is only required. Computational speed is from 15 to 80 times faster than using a commercial one-dimensional (1D) simulator, but the accuracy is the same.

Predicting the phase equilibria of synthetic petroleum fluids with the PPR78 approach

“…determine the minimum miscibility pressure [57][58][59][60][61][62] (MMP) when pure CO 2 is injected in a synthetic crude oil, the composition of which is: 43 mol % of n-pentane þ 57 mol % of n-hexadecane. These two temperatures are As a consequence, the PPR78 model is able to predict these MMPs with high accuracy (4% deviation at T 1 and 0.7% deviation at T 2 ).…”

High-pressure phase behaviour of the binary system {CO2+cis-decalin} from (292.75 to 373.75)K

“…The average absolute deviation was calculated using equation (5) where n is the number of experimental data, P exp and P cal are experimental and calculated saturation pressures for the studied system.…”

“…Phase equilibrium data of mixtures containing carbon dioxide are required for the design and the improvement of many industrial operations such as gas injection in reservoir fluids [1][2][3][4][5][6][7] or supercritical fluid extraction [8,9]. Moreover, reliable experimental data are needed for the development of predictive thermodynamic models [10][11][12][13], to compare equation of state (EOS) or to fit model parameters.…”

Integrating support vector regression with genetic algorithm for CO2-oil minimum miscibility pressure (MMP) in pure and impure CO2 streams

“…Experimental measurements include the use of a slim tube [6], a rising bubble apparatus (RBA) [7], multi-contact mixing-cell experiment [8,9] or the vanishing interfacial tension (VIT) technique [10][11][12][13]. Although necessary, experimental measurements are expensive, time-consuming and cumbersome.…”