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Statistical network theory of three-phase relative permeabilities

Conference · · Soc. Pet. Eng. AIME, Pap.; (United States)
OSTI ID:6640005
The statistical network model and percolation theory of capillary pressure and relative permeabilities in low capillary number displacements account for much of the behavior of two fluid phases under the gamut of wetting conditions encountered in reservoir rocks (SPE 11015, SPE 12172). The model and theory are here extended to three fluid phases, viz. gas, oil, and water. For convenience in illustrating the theory the gas is taken as everywhere nonwetting against the oil and water, and the oil as everywhere nonwetting against the water. The starting point is the representation of the chaotic connectivity of porespace by a bond-disordered Bethe tree; also as before, the bonds are characterized by a single statistically distributed parameter, porethroat radius, with which other pore dimensions are regarded as completely correlated.
Research Organization:
Univ. of Minnesota
OSTI ID:
6640005
Report Number(s):
CONF-8304162-
Conference Information:
Journal Name: Soc. Pet. Eng. AIME, Pap.; (United States) Journal Volume: SPE/DOE 12690
Country of Publication:
United States
Language:
English