Page 304 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
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Fluid Movement in Waterflooded Reservoirs 271
0
0 20 40 60 80
WATER SATURATION. % PV WATER SATURATION, % PV
Strongly water-wet rock Strongly oil-wet rock
20 40 60 Bo 1 o J 0 5 0 7 0
WATER SATURATION, % PV WATER SATURATION, X PV
Strongly water-wet rock Strongly oil-wet rock
pLo= I~p;k=O.5cp k=lCp;h=O.5cp
Figure 5-153. Effect of water saturation on relative permeabilities and
fractional flow of water [133].
saturation. By integrating Equation 5-208 for the total time since the start of
injection, the distance that the plane of given water saturation moves can be
given by:
(5-209)
where Wi is the cumulative water injected and L is the distance that a plane of
given saturation has moved.
