Page 214 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
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Formation Evaluation 183
SIGMA
GAMMA RAY l(Pcrn~/crna
API UNITS
1 1 1 1 I l l 1 I l l 1 I I I I
B 3b 28 h3 8
---I---
RAT1 0
MONITOR COUNTS PER MINUTE
GATE 1
400r.su.
srnmwm
-1- I- 1-1-
Figure 5-107. Dual neutron lifetime log (DNLL) presentation.
