Page 192 - Basic Well Log Analysis for Geologist

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LOG INTERPRETATION CASE STUDIES

30h K = Permeability, md

| oO

sol. ° 3g
Swirr Yo

L 25
10 7,

+ K=0.136(6 *4/swirr® )
Timur Figure 82.
i Irreducible water saturation (Sy, j,-) versus porosity (cb) crossplot for
1 L | 1 | i determining permeability. Eocene Wilcox Sandstone, Gulf Coast.

0 0 20 » 4
£%

A

SW %

3 (S,,) crossplot for determining relative permeability to gas (Kyy).
Figure 83.
Irreducible water saturation (S,, ;,,) versus water saturation

Eocene Wileox Sandstone, Gulf Coast.

30
\
\
L \
\
\
20 ‘SS °
° do 0000 © wo .
otro 80. MOF BY Figure 84.
No cote wee
2 % L_ >. o Bulk volume water crossplot (¢ vs.
/ 2 Sy). Eocene Wileox Sandstone, Gulf
Normal Wiicox Production ~ ~ 4
Cutoff ~ Coast.
c=0.1
wor
The bulk volume water values (BVW),
Sandstone, which is above irreducible
plotted above the 0.1 hyperbolic line, are
Z values from the lower part of the Wilcox
0 L 1 | i 1 ae ! i water saturation (Sy. ;,,).

10 50 90
SW %

177