Tool |
Output |
Explanation |
Units |
HNGS
|
|
Hostile
environment natural gamma sonde
|
|
|
HSGR
|
Standard (total)
gamma ray
|
gAPI
|
|
HCGR
|
Computed gamma
ray (HSGR minus uranium contribution)
|
gAPI
|
|
HFK
|
Formation
potassium
|
Percent million
|
|
HTHO
|
Thorium
|
Parts per
million
|
|
HURA
|
Uranium
|
Parts per
million
|
|
|
|
|
NGT
|
|
Natural gamma
tool
|
|
|
SGR
|
Standard (total)
gamma ray
|
gAPI
|
|
CGR
|
Computed gamma
ray (SGR minus uranium contribution)
|
gAPI
|
|
POTA
|
Potassium
|
Percent million
|
|
THOR
|
Thorium
|
Parts per
million
|
|
URAN
|
Uranium
|
Parts per
million
|
|
|
|
|
APS
|
|
Accelerator
porosity sonde
|
|
|
APLC
|
Near/array
porosity (limestone corrected)
|
Fraction
|
|
FPLC
|
Near/far
porosity (limestone corrected)
|
Fraction
|
|
SIGF
|
Neutron capture
cross section of the formation
|
Capture units
|
|
STOF
|
Tool standoff
(computed distance from borehole wall)
|
Inches
|
|
|
|
|
HLDS
|
|
High temperature
litho-density sonde
|
|
|
RHOM
|
Bulk density
(corrected)
|
Grams per cubic
centimeter
|
|
PEFL
|
Photoelectric
effect
|
Barns per
electron
|
|
LCAL
|
Caliper -
measure of borehole diameter
|
Inches
|
|
DRHO
|
Bulk density
correction
|
Grams per cubic
centimeter
|
|
|
|
|
DIT
|
|
Dual induction
tool
|
|
|
IDPH
|
Deep induction
phasor-processed resistivity
|
Ohm-meter
|
|
IMPH
|
Medium induction
phasor-processed resistivity
|
Ohm-meter
|
|
SFLU
|
Spherically
focused resistivity
|
Ohm-meter
|
|
|
|
|
SDT
|
|
Digital sonic
tool
|
|
|
LTT1-4
|
Transit times
(10-, 8-, 12-, 10-ft transmitter-receiver spacings)
|
Microsecond
|
|
DTLF
|
Slowness (12
minus 10 ft traveltimes)
|
Microsecond per
foot
|
|
DTLN
|
Slowness (10
minus 8 ft traveltimes)
|
Microsecond per
foot
|
|
|
|
|
BHC
|
|
Borehole
compensated sonic tool
|
|
|
LTT1-4
|
Transit times
|
Microsecond
|
|
DT
|
Slowness
|
Microsecond per
foot
|