Table T3. Acronyms and units used for wireline tools.
 
Tool
Output
Explanation
Unit
APS
Accelerator porosity sonde

APLC Near array porosity (limestone corrected) %

FPLC Far array porosity (limestone corrected) %

SIGF Formation capture cross section (f) Capture units

STOF Tool standoff (computed distance from borehole wall) in
DIT
Dual induction tool
DLL
Dual laterolog

LLD Deep resistivity m

LLS Shallow resistivity m
FMS
Formation MicroScanner
GPIT
General purpose inclinometer tool

HAZI Hole azimuth Degrees

FNOR Intensity of the total magnetic field oer

Fx, Fy, Fz Earth's magnetic field (three orthogonal directions) Degrees

Ax, Ay, Az Acceleration (three orthogonal directions) m/s2
HLDS
Hostile environment lithodensity sonde

RHOM Bulk density (corrected) g/cm3

PEFL Photoelectric effect b/e-

LCAL Caliper (measure of borehole diameter) in

DRH Bulk density correction g/cm3
HNGS
Hostile environment gamma ray sonde

HSGR Standard (total) gamma ray gAPI

HCGR Computed gamma ray (HSGR minus uranium contribution) gAPI

HFK Potassium wt%

HTHO Thorium ppm

HURA Uranium ppm
LSS
Long spacing sonic tool

Vp Compressional wave velocity ms/ft
NGT
Natural gamma ray spectrometry tool

SGR Standard total gamma ray gAPI

CGR Computed gamma ray (SGR minus uranium contribution) gAPI

POTA Potassium wt%

THOR Thorium ppm

URAN Uranium ppm
SFR
Spherically focused resistivity

IDPH Deep induction phasor-processed resistivity m

IMPH Medium induction phasor-processed resistivity m

SFLU Shallow spherically focused resistivity m
TAP
Temperature/acceleration/pressure tool °C, m/s2, psi