Page 204 - Open-Hole Log Analysis and Formation Evaluation

‘ QUESTION 032 b. 90,000 a. 0.036 _QUESTION b. a. QUESTION 140 mv QUESTION Answers 190 " IL

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Questions
NaCl
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: = . 4 #9.5 ‘ #9.4 O-m ppm NaCl . ; O-m #9.3 °F/100 ft #9.2 , #9.1 Text to OPEN-HOLE LOGGING MEASUREMENTS
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, 191 to effective, it is more informative equally potassium. Since the various gamma ray sources are not all ppm uranium, 12 n ppm thorium, and 2% An average shale contains 6 MINERALS RADIOACTIVE ABUNDANCE OF NATURALLY OCCURRING” the basis for measurernent in the natural gamma spectroscopy tools. of occurrence. This is.an important concept since it is used as shows the relationsh
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casing,
other
of
THE
subs
right.
in
occurrence
that
analysis
of the
for
can
the
applications,
measurements
electronics
shale
in
be
each
for
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the (uranium
defined
daughter products,
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be
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content
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induced

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RAY
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gamma
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the
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the
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of
be discussed
cased
scaled
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through
Figure
ray activity increases
in

logging
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to
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os
double-
holes,
the
steel
applications
10.1).
radioactive
10.3
and potassium.
from
radioactive
API,
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