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- W3021074464 abstract "Abstract We study three-phase flow in water-wet, oil-wet, and fractionally-wet sandpacks. We use CT scanning to measure directly the oil and water relative permeabilites for three-phase gravity drainage. In an analogue experiment, we measure pressure gradients in the gas phase to determine the gas relative permeability. Thus we find all three relative permeabilities as a function of saturation. We find that the gas relative permeability is approximately twice as high in a water-wet system than in an oil-wet system at the same gas saturation. The water relative permeability in the water-wet pack and the oil relative permeability in the oil-wet pack are similar. In the water-wet medium the oil relative permeability scales as kr0 S04 for So >Sor~ where Sor is the waterflood residual oil saturation. With octane as the oil phase, kro So2 for So < Sor~ while with decane as the oil phase, kro falls sharply for So < Sor. The water relative permeability in the oil-wet medium resembles the oil relative permeability in the water-wet medium for a non-spreading oil such as decane. These observations can be explained in terms of wetting, spreading, and the pore scale configurations of fluid. P. 869" @default.
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- W3021074464 date "1998-09-27" @default.
- W3021074464 modified "2023-10-18" @default.
- W3021074464 title "The Effect of Wettability on Three-Phase Relative Permeability" @default.
- W3021074464 doi "https://doi.org/10.2118/49317-ms" @default.
- W3021074464 hasPublicationYear "1998" @default.
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