Analytical Research of Character of Relative Permeability Function Under Unsteady Two-Phase Filtration

  • D. U. Semiglasov
  • V. M. Maximov
Conference paper
Part of the Springer Geology book series (SPRINGERGEOL)


The article discusses methodological contradictions and their effects that occur when interpreting the results of researches of relative permeability by the method of non-stationary displacement. For the case of mutual displacement of liquids with equal viscosities on the simplest structural model of a porous medium, an important aspect is shown: the discrepancy between the functions of the average filtration rate and the flow of the displacing phase in the exit section of the sample from the saturation of the cross section. This aspect changes the concept of the nature of the processes of two-phase displacement of liquids in an inhomogeneous porous medium.


Filtration Analytical research Inhomogeneous porous medium 


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Copyright information

© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.Institute of Oil and Gas Problems of the Russian Academy of SciencesMoscowRussia

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