We propose an equation and boundary conditions characterizing flow of viscoelastic fluids in pores of a rock. The equation was discretized by a finite-difference method. We obtained the velocity contour for different boundary layers. We found that a more pronounced boundary layer effect leads to a slower flow velocity in the pore and a smaller micro sweep area, while the area occupied by residual oil becomes larger and the sweep efficiency is reduced.
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Translated from Khimiya i Tekhnologiya Topliv i Masel, No. 5, pp. 40 – 45, September – October, 2012.
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Zhong, H., Tian, Z. & Yin, H. Flow of viscoelastic polymer solutions through a planar contraction with a boundary layer effect. Chem Technol Fuels Oils 48, 393–402 (2012). https://doi.org/10.1007/s10553-012-0386-4
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DOI: https://doi.org/10.1007/s10553-012-0386-4