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- Title
Calculation of the Phase Equilibrium of a Hydrocarbon Mixture with Regard for the Capillary Pressure Jump in It by the Example of the Astrakhan Field.
- Authors
Raikovskii, M. I.; Dem'yanov, A. Yu.; Dinariev, O. Yu.; Rudenko, D. V.
- Abstract
The influence of a capillary pressure jump in a porous medium on the equilibrium between its liquid and gas phases, defined by the Peng–Robinson equation of state, was investigated. A numerical analysis of the phase diagrams of a gas–condensate mixture, constructed in gas-pressure and liquid-pressure coordinates for different capillary pressure jumps in the mixture, has been performed. The boundary of the two-phase region of such a mixture was determined as a domain of its existence in the two-phase state. The calculations were not associated with a concrete porous medium, and they were based on the condition of phase equilibrium of such a medium at different capillary pressure jumps in it.
- Subjects
ASTRAKHAN (Russia); PHASE equilibrium; PENG-Robinson equation; LIGHTWEIGHT concrete; CAPILLARIES; POROUS materials; EQUATIONS of state
- Publication
Journal of Engineering Physics & Thermophysics, 2023, Vol 96, Issue 6, p1516
- ISSN
1062-0125
- Publication type
Article
- DOI
10.1007/s10891-023-02821-x