Abbreviations
- k :
-
permeability
- k i :
-
relative permeability of phase i measured during cocurrent flow
- k′ i :
-
relative permeability of phase i measured during countercurrent flow
- u i :
-
Darcy velocity of phase i
- Δ:
-
determinant of mobility matrix
- λ ij :
-
entry no. ij in mobility matrix {λ ij }
- Λ i :
-
effective mobility of phase i during cocurrent flow (i.e. kk i/μi)
- Λ′ i :
-
effective mobility of phase i during countercurrent flow (i.e. kk′ i/μ i)
- μ i :
-
viscosity of phase i
- ψ i :
-
flow potential in phase i
References
Bourbiaux, B. and Kalaydjian, F., 1990, Experimental study of cocurrent and countercurrent flows in natural porous media, SPE Reservoir Engineering No. 18283.
Kalaydjian, F., 1990, Origin and quantification of coupling between relative permeabilities for two-phase flows in porous media, Transport in Porous Media 5, 215–229.
Author information
Authors and Affiliations
Rights and permissions
About this article
Cite this article
Mannseth, T. Commentary on ‘origin and quantification of coupling between relative permeabilities for two-phase flows in porous media’ By F. Kalaydjian. Transp Porous Med 6, 469–471 (1991). https://doi.org/10.1007/BF00136353
Received:
Issue Date:
DOI: https://doi.org/10.1007/BF00136353