Abstract
In earlier work [1, 2] mathematical models have been constructed for processes of displacement of oil from a porous medium by a solution of an active additive, i.e., an additive capable of changing the hydro-dynamic characteristics of the fluid and the medium. An additive of this kind that was considered was a polymer that in the dissolved state influences the properties of the displacing fluid and in the adsorbed state the permeability of the porous medium. Self-similar solutions were obtained corresponding to the problem of frontal displacement from a homogeneous porous medium, and a number of numerical calculations were made. It is natural to generalize this treatment by introducing into the problem a second active factor, which is here taken to be the temperature of the injected fluid. The analysis of the nonisothermal displacement of oil by a solution of an active additive can be transferred without significant modifications to the general problem of displacement of oil by a solution carrying two active agents. The names “additive” and “temperature” are retained here only for convenience of exposition.
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Translated from Izvestiya Akademii Nauk SSSR, Mekhanika Zhidkosti i Gaza, No. 6, pp. 90–107, November–December, 1980.
We thank A. A. Barmin, A. G. Kulikovskii, and L. A. Chudov for helpful discussions.
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Braginskaya, G.S., Entov, V.M. Nonisothermal displacement of oil by a solution of an active additive. Fluid Dyn 15, 873–880 (1980). https://doi.org/10.1007/BF01096638
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DOI: https://doi.org/10.1007/BF01096638