Impact of Microscopic NAPL-Water Interface Configurations on Subsequent Gas Injection into Water-Wet Permeable Rocks

Ahmed Al-Futaisi, Tad Patzek & Ahmed Al-Futaisi
Predictive field-scale models of the concurrent flow of three fluids require accurate predictions of five macroscopic flow descriptors: three relative permeabilities and two capillary-pressures as functions of the fluid saturations and saturation history. Since direct measurement of these descriptors is very difficult, and empirical correlations are often unreliable, the use of physically- based pore-scale models has become an appealing alternative. In this paper, we describe the features of our quasi-static pore network model for three...
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