Table T11. Acronyms and units used for wireline logging tools, Leg 197.
Tool
Output
Explanation
Units
APS
Accelerator porosity sonde

APLC Near array porosity (limestone calibrated) %

SIGF Formation capture cross section (f) Capture units

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

LLD Deep resistivity m

LLS Shallow resistivity m
DSI
Dipole sonic imager

DTCO Compressional wave delay time (t) ms/ft

DTSM Shear wave delay time (t) ms/ft

DTST Stoneley wave delay time (t) ms/ft
FMS
Formation MicroScanner

C1, C2 Orthogonal hole diameters in

P1AZ Pad 1 azimuth Degrees


Spatially oriented resistivity images of borehole wall
GPIT
General purpose inclinometer tool

DEVI Hole deviation Degrees

HAZI Hole azimuth Degrees

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

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

RHOM Bulk density 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
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
TAP
Temperature/acceleration/pressure tool C, m/s2, psi