Method for modeling asphaltenes flocculation conditions in...

Data processing: structural design – modeling – simulation – and em – Modeling by mathematical expression

Reexamination Certificate

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C703S010000

Reexamination Certificate

active

10376303

ABSTRACT:
Method for modeling the flocculation conditions of hydrocarbon-containing fluids under pressure, related to a reference fluid. The asphaltenic properties are modeled from the results of an experimental study of a single asphaltenic reference fluid and by means of homothetic transformation laws. These reduced data allow to deal with asphaltenes flocculation in an industrial simulator working according to a simplified model. It is then possible to predict the amounts of asphaltenes that will flocculate in a reservoir or in a reactor during development, considering the variable pressure and composition conditions. Application: optimization of the development conditions of reservoirs or of an industrial reactor in which asphaltenic fluids undergo expansions.

REFERENCES:
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Abdoul et al “Group-Contribution Equation Of State For Correlating And Predicting Thermodynamic Properties Of Weakly Polar and Non-Associating Mixtures. Binary and Multicomponent Systems” Fluid Phase Equilibria, Elsevier Scientific Publishing Company, Amsterdam, NL vol. 68 1991 pp. 47-102.
Cimino et al “Thermodynamic Modelling For Prediction Of Asphaltene Deposition In Live Oils” No. 18993 Feb 14, 1995, pp. 499-512.
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