Modeling the initial stage of the displacement of oil or gas in porous media |
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| Authors: | Ivan A Molotkov Nataliya A Ryabova |
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| Institution: | 1. N.V. Pushkov Institute of Terrestrial Magnetism, Ionosphere and Radio Wave Propagation, Russian Academy of Sciences, IZMIRAN, Troitsk, Moscow Region, 142190, Russia
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| Abstract: | The initial stage of evolution of the displacement front is studied as a part of the nonlinear filtration model. Concentration and density profiles in the normal direction to the front are obtained. It turns out that the concentration changes relatively quickly, whereas the density rather slowly. The stability criterion of the displacement front is formulated. The conditions, under which the front retains the initial shape, are determined. |
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