Page 239 - Well Logging and Formation Evaluation
P. 239
Solutions to Exercises 229
Some generic sat/ht curves for a range of porosities are shown below:
200
Hafwl (m)
180
250.000
160 200.000 porosity
140
Pc (psi, res cond) 120 150.000 0.05
0.1
100
0.12
0.15
80
0.18
60
40 100.000
50.000
20
0 0.000
0.0 0.2 0.4 0.6 0.8 1.0
Sw
CHAPTER 5: ADVANCED LOG INTERPRETATION
TECHNIQUES
Exercise 5.1. Shaly Sand Analysis
The BQ v relationship is as follows:
Cwa vs 1/por
200
180
160
Cwa (1/ohmm) 120
140
100
80
60
40
20
0
0 5 10 15 20 25
1/por
f
BQ v = (018 - ) (0 02*f )
.
.
