Abstract
We present experimental and theoretical results concerning immiscible displacements (drainage) in 2-dimensional permeable media. When capillary forces are predominant, the injected fluid presents very thin fingers and the ‘Representative Elementary Volume’ concept cannot be used for describing the partial saturations. The purpose of this paper is to show how this classical concept can be replaced by a statistical approach based on ‘fractal’ geometry.
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Lenormand, R., Zarcone, C. Capillary fingering: Percolation and fractal dimension. Transp Porous Med 4, 599–612 (1989). https://doi.org/10.1007/BF00223630
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DOI: https://doi.org/10.1007/BF00223630