Page 51 - The Geological Interpretation of Well Logs
P. 51
- SELF-POTENTIAL OR SP LOGS -
750m}
+
500m
* em _|_-_ 675 Orem A fm
10my 40me 10m. lOmy
- ol + mba why+ wkd
—
/
|
I
|
50 f— 1 50
400 — 100
roarker-” |
_ So
150 - x @ 1 150
a
a -
29
Se
a8
oz
< o
Sz
200 f- 4k 4 200
ws
Zo
2s
xe
x=
58
a
250 }- ve 250
300 | 300
metres: metres
Figure 5.15 Correlation using the SP log. Changes in water salinity indicate which
sand bodies can be correlated. Drilling-mud filtrate is similar in all wells.
41