Page 35 - Open-Hole Log Analysis and Formation Evaluation

_
order
to
METHODS
to
time.
put
It
this
all
these
ofthe mud column
measures
chapter
magnetic
GATHERING
the
sets
a
resonance
surveys,
FORMATION
and

rate
summary
curves
tool
of
1

has
all
a
of atomic
DATA
the
long
nuclei
in perspective,
common
history

1.
FIGURE
14.1
| Curves recorded: Operating ' principle: Often combined with: en Limitations: : Purpose: . a When run: . E Names & abbreviations: : Type of tool: Generic name of log: uses to which they may be their measurements, and the logging tools, out appendix the tools, In i co SUMMARY content of the formation. is related to the free water measured quantity ofan in

/.
- Primary log in fresh mud or oil-based mud _IEL, ISF, 6FF40 Resistivity Induction . OWS M?/M RESISTIVITY THEIR AND AND OPEN-HOLE LOGGING TOOLS OVERVIEW
Induction Log.
SP
EVALUATION
GR
SEL
Deep
Sonic
or
20-kHz
Behaves
Measures
Courtesy
coil
short
boreholes
Conductivity
USES
badly
induction
in
WELEX,
normal
formation
induces
salt
a

muds
current
resistivity,
in
R
Halliburton
and/or large
formation
Company.