Page 225 - Basic Well Log Analysis for Geologist

LODE NVDICES

TO
N
Very light oil (65° API)

%
Sy.
saturation,

water

Irreducible Appendix 2. Irreducible water saturation (S, j,,) versus

determining percent water-cut (65° API gravity
0 l | | Ld l water saturation (S,,) crossplot chart for
oil). Chart after Fert] and Vercellino (1978).

10 20 30 40 50 60 70 80
Water saturation, Sy: “%

7
70
f
Heavy oil (19° API)

60;-
S.i.% 5SOf-

saturation, 40 Ss

water 30 we oe i]
”

Irreducible 20 Appendix 3. Irreducible water saturation (Sy, j,,) versus
Y

water saturation (S,,) crossplot chart tor
I
i
i
|
l
oll). Chart after Fert] and Vercellino (1978).
determining percent water-cut (19° API gravity
10 20 30 40 50 60 70 80
Water saturation, Sw So

210