Abstract
Abstract The condensate-gas mixture flowing process takes place in the porous media of deep strata. Owing to their giant specific area, the porous media are of a relatively strong adsorption capacity and the fluid exists as two states, i.e. adsorption state and free state. According to the basic theories of multiphase flow and the acting mechanisms of porous medium adsorption, a research approach of percolation law which contains the effect of the mixed gas, which is adsorbed on the surface of porous media under formation conditions, is proposed. A corresponding mathematical model is set up too. Through an example calculation, the effect of porous medium adsorption on percolation law is analyzed. It is concluded that the effect of porous medium adsorption on the flowing process of condensate-gas mixture is of objective reality and can't be neglected. P. 459
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