The Non-Isothermal and Non-Stationary Flow of Dry and Condensate Gas in the Vicinity of Well

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International Journal of Thermodynamics
Volume:6 Issue:1
The Non-Isothermal and Non-Stationary Flow of Dry and Condensate Gas in the Vicinity of Well

The Non-Isothermal and Non-Stationary Flow of Dry and Condensate Gas in the Vicinity of Well

Authors : Zygmunt KOLENDA, Stanislaw NAGY, Jakub SİEMEK

Pages : 23-30

View : 35 | Download : 10

Publication Date : 2003-03-01

Article Type : Research Paper

Abstract :The paper presents a mathematical model, and its solution, of non-isothermal radial gas flow in porous media. The system of partial differential equations has been converted into two ordinary differential equations and solved numerically. In the case of the gas condensate system the properties of the liquid and gas phases were evaluated using the Peng-Robinson equation of state. The condensation process depends on the simultaneous decrease of pressure and temperature. These two parameters are intrinsically conjugated, and it is not possible to separate each from other. The equilibrium model was solved by the Quasi-Newton Successive Substitution insert ignore into journalissuearticles values(QNSS); and Dominant Eigenvalue Method insert ignore into journalissuearticles values(DEM);. A new function describing the saturation of drop out condensate for the non-equilibrium process has been proposed.
Keywords : non isothermal flow, porous media, condensate gas

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