Page 555 - Petrophysics
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522 PETROPHYSICS: RESERVOIR ROCK PROPERTIES
0.001 0.01 0 .1 1
Porosity, fraction
Figure 8.17. Formation resistivity factor us. porosity [33J.
1000
E
E
c
0
.-
5 100
.-
>
.-
c
u)
u)
Q
K
10
0.1 1 10 100 1000 10000
Permeability, md
Figure 8.18. Cross-plot of resistivity us. pemzeabilfty [33].
The fracture width or aperture can be estimated from the following
equations:
(8.40a)
