Page 139 - Basic Well Log Analysis for Geologist
P. 139
LITHOLOGY LOGGING AND MAPPING TECHNIQUES
1 q q qT
© GYPSUM
Lok 4
0.9 & GAS Z
SECONDARY POROSITY
SANDSTONE
LIMESTONE
@
7
/
Oo
oS
0.8 oY75 4
2
M
ANHYDRITE
0.74 4
SHALE REGION a
APPROXIMATE
0.6
f
L
1
l
0.4 0.5 0.6 0.7
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