Abstract
The evolution of an invaded zone during borehole drilling in water- and oil-saturated sand formations is studied by mathematical modeling of hydrodynamic processes in porous media filled with a two-component fluid. The use of hydrodynamic modeling to interpret high-frequency electromagnetic logs makes it possible to construct consistent geoelectric and hydrodynamic models for formations with different fluid saturations. The results obtained are in good agreement with geological and geophysical data.
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Kashevarov, A.A., Yeltsov, I.N. & Épov, M.I. Hydrodynamic Model for the Evolution of an Invaded Zone in Borehole Drilling. Journal of Applied Mechanics and Technical Physics 44, 872–879 (2003). https://doi.org/10.1023/A:1026200207741
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DOI: https://doi.org/10.1023/A:1026200207741