Page 163 - Standard Handbook Petroleum Natural Gas Engineering VOLUME2
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132 Reservoir Engineering
Table 5-25
(contlnued)
Schlumberger Gearhart Dresser Atlas Welex
Natural gamma ray Spectralog Spectral natural
spectrometry gamma
Gamma ray Carbonloxygen log
spectroscopy
tool log
Well seismic tool
Fracture identifica- Fracture detection
tion log log
From Reference 215.
Meter
Figure 5-75. (a) Basic electrode arrangement of a normal device used in
conventional electric logs. (b) Electrode arrangement for a basic, two coil
induction log system. (c) Electrode arrangement and current flow paths for a
dual laterolog sonde [58].
