Simple analytical formulas for definition of the pressure field, formed in the process of continuous withdrawal of a fluid from a nonuniform anisotropic stratum, in the zero and first approximations on the assumption that the fluid flow in the stratum is one-dimensional and linear were derived on the basis of the modified asymptotic method exact on average. The results of calculations of the pressure fields in such stratums by the formulas obtained are presented.
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Translated from Inzhenerno-Fizizheskii Zhurnal, Vol. 88, No. 6, pp. 1285–1296, November–December, 2015.
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Filippov, A.I., Akhmetova, O.V. & Gubaidullin, M.R. Pressure Field in the Process of Radial Filtration in a Nonuniform Orthotropic Stratum in the Asymptotic Approximation. J Eng Phys Thermophy 88, 1329–1340 (2015). https://doi.org/10.1007/s10891-015-1317-0
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DOI: https://doi.org/10.1007/s10891-015-1317-0