Two-phase jet flows in porous media |
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| Authors: | N A Baryshnikov G V Belyakov S B Turuntaev |
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| Institution: | 1.Institute of Geosphere Dynamics of the Russian Academy of Sciences,Moscow,Russia;2.Moscow Institute of Physics and Technology (State University),Dolgoprudnyi, Moscow oblast,Russia |
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| Abstract: | An analytical model describing the development of the filtration instability of the displacement front of fluids with different viscosities in a porous medium with account for capillary forces is proposed. A set of laboratory experiments on viscous fluid displacement from a porous medium is carried out. To describe the observable flows the model deals with the characteristic profile of the mean water saturation along the flow rather than with the curves of relative phase permeabilities of the fluids. The analytical model developed well describes the results of the laboratory modeling and the data of an actual oil field operation. |
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