Page 183 - Petrophysics 2E
P. 183
1 56 PETROPHYSICS: RESERVOIR ROCK PROPERTIES
1000
0.1
1 100
Figure 3.41. Relationship between vertical permeability and mean hydraulic radius
in the TAGI formation (Kaolinite-Illite) with V-shale correlation.
1000
100
10
1
High % of Illite Content
0.1
0.01 0.1 1 10 100
d gr( kH/+)"z
Figure 3.42. Relationship between vertical permeability and mean grain size in the
TAGI formation (Kaolinite-Illite).
kv = 0.0461 ((1 - Vsh) (e))
(b) High percentage of Illite:
1.58
kv = 2.5054 (clg (e)) (3.110)
0.9383
(3.111)