Page 42 - Open-Hole Log Analysis and Formation Evaluation

FIGURE
Often
Curves
Operating
14.12
OF
“F”
combined
recorded:
principle:
with:
Overlay.
F
or
GATHERING
Tf Ry
Deep
<
Courtesy
: lithology : in Works best Limitations: To generate Ry Purpose: ee ook log whe purpose, “ n oF Suet Generic name of log: “F overlay cep ic 8.8 TROT Tym + RESISTIVITY OHMS POTENTIAL MILLIVOLTS 2 FORMATION L_METHODS bo
rescaled
ee
to
R, then
induction
Ro
WELEX,
or
clean
S,,<
curve
. analysis INDUCTION pay
8
: 8 Trypan : EVALUATION
:
i
100
deep
formations
a Halliburton
laterolog
. . of constant DATA
:
Company.

:
: é ‘ wa recorded: R PP Curves water resistivi ¥y apparent : : to give Apparent porosity and R, combined Operating principle: 2 ISF, sonic Often combined with: P por u a used orosity "y tool on formations and/or shales, depending to detail in gas-bearing Needs careful attention r / Limitations: water- and oil-bearing rocks, find R,, Purpose: Distinguish : run:
4

FIGURE
Generic
14.13
Ry,

of log:
Log.
Rua
EVALUATION
Courtesy

WELEX,

a Halliburton

Company.

st