ACT

Aluminum Clay Tool

AMS

Auxiliary Measurement Sonde

APS

Accelerator Porosity Sonde

ARI

Azimuthal Resistivity Imager

ASI

Array Seismic Imager

BGKT

Vertical Seismic Profile Tool

BHC

Borehole Compensated Sonic Tool

BHTV

Borehole Televiewer

CBL

Casing Bond Log

CNL

Compensated Neutron Log

CNT

Compensated Neutron Tool

DIL

Dual Induction Log

DIT

Dual Induction Tool

DLL

Dual Laterolog

DSI

Dipole Sonic Imager

FMS

Formation MicroScanner

GHMT

Geologic High Resolution Magnetic Tool

GPIT

General Purpose Inclinometry Tool

GR

Natural Gamma Ray

GST

Induced Gamma Ray Spectrometry Tool

HLDS

Hostile Environment Lithodensity Sonde

HLDT

Hostile Environment Lithodensity Tool

HNGS

Hostile Environment Gamma Ray Sonde

LDT

Lithodensity Tool

LSS

Long Spacing Sonic Tool

MCD

Mechanical Caliper Device

NGT

Natural Gamma Ray Spectrometry Tool

NMRS

Nuclear Magnetic Resonance Sonde

QSST

Inline Checkshot Tool

SDT

Sonic Digital Tool (Sonic Array Tool)

SGT

Scintillation Gamma Ray Tool

UBI

Ultrasonic Borehole Imager

VSI

Versatile Seismic Imager

WST

Well Seismic Tool

WST-3

3-Component Well Seismic Tool

ADN

Azimuthal Density-Neutron Tool

CDN

Compensated Density-Neutron Tool

CDR

Compensated Dual Resistivity Tool

ISONIC

Ideal Sonic While Drilling Tool

MWD

Measurement While Drilling

NMR

Nuclear Magnetic Resonance Tool

RAB

Resistivity-at-the-Bit Tool

TAP

Temperature-Acceleration-Pressure Tool (LDEO-BRG)

TLT

Temperature Logging Tool (LDEO-BRG)

CBTT

Core Barrel Temperature Tool (LDEO-BRG)

HTGC

High-Temperature High Pressure Telemetry Gamma-Ray Cartridge (LDEO-BRG)

LSR

Large Scale Resistivity Tool (Univ. of Miami)

MAGN-BGR

3-axis Magnetometer (Bundesanstalt fur Geowissenschaften und Rohstoffe)

MAGN-GBM

3-axis Magnetometer (Univ. of Goettingen)

MAGN-JAPEX

3-axis Magnetometer (JAPEX)

MAGN-USGS

3-axis Magnetometer (USGS)

MAGN-UW

3-axis Magnetometer (University of Washington)

MCS

Multichannel Sonic Tool (LDEO-BRG)

MGT

Multisensor Gamma Tool (LDEO-BRG)

SST

Shear Sonic Tool (LDEO-BRG)

SUSC-USGS

Magnetic Susceptibility Tool (USGS)

SUSC-UW

Magnetic Susceptibility Tool (University of Washington

SUSLOG

Suslog 403D Magnetic Susceptibility Tool (Univ. of Munich)

TEMP-BGR

Temperature Tool (Bundesanstalt fur Geowissenschaften und Rohstoffe)

TEMP-BRGM

Temperature Tool (Bureau des Recherche Geologique et Minieres)

TEMP-GRC

High Temperature Tool (Univ. of Miami)

TEMP-JAPEX

Temperature-Pressure-Flow Tool (JAPEX)

TEMP-USGS

Temperature Tool (USGS)

UHT-MSM

Ultra-High Temperature Multisensor Memory Tool (Univ. of Miami)

VSP-WHOI

3-axisVertical Seismic Profile (WHOI)

AFEC

APS Far Detector Counts (cps)

ALUM

ACT Weight Percent Aluminum (%)

AMPLITUDE_25

Lower quartile value of the ultrasonic imager amplitude distribution

AMPLITUDE_75

Upper quartile value of the ultrasonic imager amplitude distribution

AMPLITUDE_MEDIAN

Median value of the ultrasonic imager amplitude distribution

ANEC

APS Near Detector Counts (cps)

APLC

APS Near/Array Limestone Porosity Corrected (%)

AX

GPIT Acceleration X Axis (m/s²)

AY

GPIT Acceleration Y Axis (m/s²)

AZ

GPIT Acceleration Z Axis (m/s²)

AZIM

GPIT Constant Azimuth for Deviation Correction (deg)

C1

FMS Caliper 1 (in)

C2

FMS Caliper 2 (in)

CALI

MCS/HLDTCaliper (in)

CFEC

CNTG Corrected Far Epithermal Counts (cps)

CFTC

CNTG Corrected Far Thermal Counts (cps)

CGR

NGT Computed (Th+K) Gamma Ray (API units)

CNEC

CNTG Corrected Near Epithermal Counts (cps)

CNTC

CNTG Corrected Near Thermal Counts (cps)

CS

Cable Speed (m/hr)

DATN

CBL Discriminated BHC Attenuation

DBI

CBL Bond Index from Discriminated Attenuation

DEVI

GPIT Hole Deviation (degrees)

DF

Drilling Force (lbf)

DIFF

Difference Between MEAN and MEDIAN, processed (μs/ft)

DRH

HLDS Bulk Density Correction (g/cm³)

DRHO

LDT/HLDT Bulk Density Correction (g/cm³)

DT

BHC Tool: Acoustic Slowness (μs/ft)

DT

LSS Acoustic Slowness, Short Spacing (8-10 ft; μs/ft)

DT

SDT DDBHC Acoustic Slowness, Short-Spaced Mode, Near Detectors (5-7 ft; μs/ft)

DT1

DSI Shear Acoustic Slowness, Lower Dipole Mode (μs/ft)

DT2

DSI Shear Acoustic Slowness, Upper Dipole Mode (μs/ft)

DT4P

DSI Compressional Acoustic Slowness, P&S Monopole Mode (μs/ft)

DT4S

DSI Shear Acoustic Slowness, P&S Monopole Mode (μs/ft)

DT5

Delta-T Compressional, DDBHC - First Motion Detection Mode (μs/ft)

DT1R

DSI Acoustic Slowness, Receiver Array, Lower Dipole Mode (μs/ft)

DT2R

DSI Acoustic Slowness, Receiver Array, Upper Dipole Mode (μs/ft)

DT1T

DSI Shear Acoustic Slowness, Transmitter Array, Lower Dipole Mode (μs/ft)

DT2T

DSI Shear Acoustic Slowness, Transmitter Array, Upper Dipole Mode (μs/ft)

DTCO

DSI Compressional Acoustic Slowness (μs/ft)

DTCO

SDT Compressional Acoustic Slowness, Linear Mode (μs/ft)

DTL

LSS Acoustic Slowness, Long Spacing (10-12 ft; μs/ft)

DTL

SDT DDBHC Acoustic Slowness, Short-Spaced Mode, Far Detectors (5-7 ft; μs/ft)

DTLF

SDT DDBHC Acoustic Slowness, Long-Spaced Mode, Far Detectors (10-12 ft; μs/ft)

DTLN

SDT DDBHC Acoustic Slowness, Long-Spaced Mode, Near Detectors (8-10 ft; μs/ft)

DTRP

DSI Compressional Acoustic Slowness, Receiver Array, P&S Monopole Mode (μs/ft)

DTRS

DSI Shear Acoustic Slowness, Receiver Array, P&S Monopole Mode (μs/ft)

DTSM

DSI Shear Acoustic Slowness, (μs/ft)

DTSM

SDT Shear Acoustic Slowness, Linear Mode (μs/ft)

DTST

DSI Stoneley Acoustic Slowness, Stoneley Mode (μs/ft)

DTST

SDT Stoneley Acoustic Slowness, Stoneley Mode (μs/ft)

DTTP

DSI Compressional Acoustic Slowness, Transmitter Array, P&S Monopole Mode (μs/ft)

DTTS

DSI Shear Acoustic Slowness, Transmitter Array, P&S Monopole Mode(μs/ft)

ECGR

SGT Environmentally Corrected Gamma Ray (API units)

EHGR

SGT Environmentally Corrected High Resolution Gamma Ray (API units)

ENPH

CNTG Epithermal Neutron Porosity (%)

ENRA

CNTG Epithermal Neutron Ratio

ETIM

Elapsed Time (sec)

FINC

GPIT Magnetic Field Inclination (degrees)

FNOR

GPIT Magnetic Field Total Moment (oersted)

FPLC

APS Far/Array Limestone Porosity Corrected (%)

FX

GPIT Magnetic Field on X Axis (oersted)

FY

GPIT Magnetic Field on Y Axis (oersted)

FZ

GPIT Magnetic Field on Z Axis (oersted)

GR

GR Natural Gamma Ray (API units)

HALC

APS High Res. Near/Array Limestone Porosity Corrected (%)

HAZI

GPIT Hole Azimuth (degrees)

HBDC

HLDS High Res. Bulk Density Correction (g/cm³)

HBHK

HNGS Borehole Potassium (%)

HCFT

CNTG High Resolution Corrected Far Thermal Counts (cps)

HCGR

HNGS Computed Gamma Ray (API units)

HCNT

CNTG High Resolution Corrected Near Thermal Counts (cps)

HDEB

HLDS High Res. Enhanced Bulk Density (g/cm³)

HDRH

HLDT High Resolution Density Correction (g/cm³)

HFEC

APS High Res. Far Detector Counts (cps)

HFK

HNGS Formation Potassium (%)

HFLC

APS High Res. Near/Far Limestone Porosity Corrected (%)

HLCA

HLDS High Res. Caliper (in)

HLEF

HLDS High Res. Long-spacing Photoelectric Effect (barns/e^-)

HNEC

APS High Res. Near Detector Counts (cps)

HNPO

CNTG High Resolution Enhanced Thermal Nutron Porosity (%)

HNRH

HLDT High Resolution Bulk Density (g/cm³)

HPEF

HLDT High Resolution Photoelectric Effect (barns/e^-)

HRHO

HLDT High Resolution Bulk Density (g/cm³)

HROM

HLDS High Res. Corrected Bulk Density (g/cm³)

HSGR

HNGS Standard (total) Gamma Ray (API units)

HSIG

APS High Res. Formation Capture Cross Section (capture units)

HSTO

APS High Res. Computed Standoff (in)

HTHO

HNGS Thorium (ppm)

HTNP

CNTG High Resolution Thermal Neutron Porosity (%)

HURA

HNGS Uranium (ppm)

IDPH

DIT Phasor Deep Induction (Ω.m)

IIR

GST Iron Indicator Ratio [CFE/(CCA+CSI)]

ILD

DIL Deep Resistivity (Ω.m)

ILM

DIL Medium Resistivity (Ω.m)

IMPH

DIT Phasor Medium Induction (Ω.m)

ITT

BHC/LSS/SDT Integrated Transit Time (s)

LCAL

HLDS Caliper (in)

LIR

GST Lithology Indicator Ratio [CSI/(CCA+CSI)]

LLD

DLL Laterolog Deep (Ω.m)

LLS

DLL Laterolog Shallow (Ω.m)

LTT1

SDT DDBHC Transit Time 1, Long-Spaced Mode, (10 ft; μs)

LTT2

SDT DDBHC Transit Time 2, Long-Spaced Mode (8 ft; μs)

LTT3

SDT DDBHC Transit Time 3, Long-Spaced Mode (12 ft; μs)

LTT4

SDT DDBHC Transit Time 4, Long-Spaced Mode (10 ft; μs)

MAGB

GHMT Earth's Magnetic Field (nTes)

MAGC

GHMT Earth Conductivity (ppm)

MAGS

GHMT Magnetic Susceptibility (ppm)

MEDIAN

Computed Median Slowness (μs/ft)

MEAN

Computed Mean Slowness (μs/ft)

NMST

GHMT Magnetometer Temperature (°C)

NMSV

GHMT Magnetometer Signal Level (V)

NPHI

CNTG Neutron Porosity (%)

NRHB

HLDS Enhanced Bulk Density (g/cm³)

P1AZ

GPIT Pad 1 Azimuth (degrees)

PEF

LDT/HLDT Photoelectric Effect (barns/e^-)

PEFL

HLDS Long-spacing Photoelectric Effect (barns/e^-)

PIR

GST Porosity Indicator Ratio [CHY/(CCA+CSI)]

POTA

NGT Potassium (%)

RADIUS_25

Lower quartile value of the borehole radius distribution

RADIUS_75

Upper quartile value of the borehole radius distribution

RADIUS_MEDIAN

Median value of the borehole radius distribution

RB

GPIT Pad 1 Relative Bearing (degrees)

RHL

HLDS Long-spacing Bulk Density (g/cm³)

RHOB

LDT/HLDT Bulk Density (g/cm³)

RHOM

HLDS Corrected Bulk Density (g/cm³)

RMGS

GHMT Low Resolution Susceptibility (ppm)

RTNR

CNTG Raw Thermal Neutron Ratio

SFLU

DIL/DIT Spherically Focused Log (Ω.m)

SGR

NGTTotal Gamma Ray (API units)

SIGF

APS Formation Capture Cross Section (capture units)

SP

SP Spontaneous Potential (mV)

STOF

APS Computed Standoff (in)

SURT

GHMT Receiver Coil Temperature (°C)

SXRT

GHMT Differential Temperature (°C)

TENS

Tension (lb)

THOR

NGT Thorium (ppm)

TNRA

CNTG Thermal Neutron Ratio

TT1

BHC Tool: Transit Time 1 (5 ft spacing; μs)

TT2

BHC Tool: Transit Time 2 (3 ft spacing; μs)

TT3

BHC Tool: Transit Time 3 (5 ft spacing; μs)

TT4

BHC Tool: Transit Time 4 (3 ft spacing; μs)

TT1

LSS Tool: Transit Time 1 (10 ft spacing; μs)

TT2

LSS Tool: Transit Time 2 (8 ft spacing; μs)

TT3

LSS Tool: Transit Time 3 (12 ft spacing; μs)

TT4

LSS Tool: Transit Time 4 (10 ft spacing; μs)

TT1

SDT Tool: DDBHC Short-Spaced Mode, Transit Time 1 (5 ft spacing; μs)

TT2

SDT Tool: DDBHC Short-Spaced Mode, Transit Time 2 (3 ft spacing; μs)

TT3

SDT Tool: DDBHC Short-Spaced Mode, Transit Time 3 (7 ft spacing; μs)

TT4

SDT Tool: DDBHC Short-Spaced Mode, Transit Time 4 (5 ft spacing; μs)

URAN

NGT Uranium (ppm)

V4P

DSI Compressional Velocity, from DT4P (P&S; km/s)

V4S

DSI Shear Velocity, from DT4S (P&S; km/s)

VELP

Compressional Velocity (processed from waveforms; km/s)

VELS

Shear Velocity (processed from waveforms; km/s)

VELT

Stoneley Velocity (processed from waveforms; km/s)

VP1

Compressional Velocity, from DT, DTLN, or MEAN (km/s)

VP2

Compressional Velocity, from DTL, DTLF, or MEDIAN (km/s)

VPVS

Compressional to Shear Velocity Ratio

VCO

SDT/DSI Compressional Velocity, from DTCO (km/s)

VS

SDT/DSI Shear Velocity, from DTSM (km/s)

VST

SDT/DSI Stoneley Velocity, from DTST (km/s)

VS1

DSI Shear Velocity, from DT1 (Lower Dipole; km/s)

VS2

DSI Shear Velocity, from DT2 (Upper Dipole; km/s)

VRP

DSI Compressional Velocity, from DTRP (Receiver Array, P&S; km/s)

VRS

DSI Shear Velocity, from DTRS (Receiver Array, P&S; km/s)

VS1R

DSI Shear Velocity, from DT1R (Receiver Array, Lower Dipole; km/s)

VS2R

DSI Shear Velocity, from DT2R (Receiver Array, Upper Dipole; km/s)

VS1T

DSI Shear Velocity, from DT1T (Transmitter Array, Lower Dipole; km/s)

VS2T

DSI Shear Velocity, from DT2T (Transmitter Array, Upper Dipole; km/s)

VSH

DSI Shear Velocity (km/s)

VTP

DSI Compressional Velocity, from DTTP (Transmitter Array, P&S; km/s)

VTS

DSI Shear Velocity, from DTTS (Transmitter Array, P&S; km/s)

#POINTS

Number of Transmitter-Receiver Pairs Used in Sonic Processing

W1NG

NGT Window 1 counts (cps)

W2NG

NGT Window 2 counts (cps)

W3NG

NGT Window 3 counts (cps)

W4NG

NGT Window 4 counts (cps)

W5NG

NGT Window 5 counts (cps)

ARPM

ADN Tool Rotation Speed (rpm)

AT1F

CDR Attenuation Resistivity (1 ft resolution; Ω.m)

AT2F

CDR Attenuation Resistivity (2 ft resolution; Ω.m)

AT3F

CDR Attenuation Resistivity (3 ft resolution; Ω.m)

AT4F

CDR Attenuation Resistivity (4 ft resolution; Ω.m)

AT5F

CDR Attenuation Resistivity (5 ft resolution; Ω.m)

ATR

CDR Attenuation Resistivity (deep; Ω.m)

B1TM

RAB Shallow Resistivity Time after Bit (s)

B2TM

RAB Medium Resistivity Time after Bit (s)

B3TM

RAB Deep Resistivity Time after Bit (s)

BDAV

RAB Deep Resistivity Average (Ω.m)

BFV

NMR Bound Fluid Volume (%)

BMAV

RAB Medium Resistivity Average (Ω.m)

BSAV

RAB Shallow Resistivity Average (Ω.m)

CGR

CDR Computed (Th+K) Gamma Ray (API units)

DCAL

ADN/CDN Differential Caliper (in)

DROR

CDN Correction for rotational density (g/cm³).

DRRT

ADN Correction for rotational density (g/cm³).

DTAB

ADN/ CDN Density Time after Bit (hr)

DTCO

ISONIC Compressional Delta Time, computed downhole (μs/ft)

DTCU

ISONIC Compressional Delta Time, computed uphole (μs/ft)

FFV

NMR Free Fluid Volume (%)

GR

RAB Gamma Ray (API Units)

GR7

CDR Sum Gamma Ray Windows GRW7+GRW8+GRW9 (cps)

GRTK

RAB Gamma Ray Time after Bit (s)

GRW3

CDR Gamma Ray Window 3 counts (cps)

GRW4

CDR Gamma Ray Window 4 counts (cps)

GRW5

CDR Gamma Ray Window 5 counts (cps)

GRW6

CDR Gamma Ray Window 6 counts (cps)

GRW7

CDR Gamma Ray Window 7 counts (cps)

GRW8

CDR Gamma Ray Window 8 counts (cps)

GRW9

CDR Gamma Ray Window 9 counts (cps)

GTIM

CDR Gamma Ray Time after Bit (s)

HEF1

CDN Far He Bank 1 counts (cps)

HEF2

CDN Far He Bank 2 counts (cps)

HEF3

CDN Far He Bank 3 counts (cps)

HEF4

CDN Far He Bank 4 counts (cps)

HEN1

CDN Near He Bank 1 counts (cps)

HEN2

CDN Near He Bank 2 counts (cps)

HEN3

CDN Near He Bank 3 counts (cps)

HEN4

CDN Near He Bank 4 counts (cps)

ISTB

ISONIC Sonic Time after Bit (hr or min)

ITT

ISONIC Integrated Transit Time (μs)

MRP

NMR Magnetic Resonance Porosity

NTAB

ADN/CDN Neutron Time after Bit (hr)

PEF

CDN Photoelectric Effect (barns/e^-)

POTA

CDR Potassium (%) ROPE Rate of Penetration (ft/hr)

PS1F

CDR Phase Shift Resistivity (1 ft resolution; Ω.m)

PS2F

CDR Phase Shift Resistivity (2 ft resolution; Ω.m)

PS3F

CDR Phase Shift Resistivity (3 ft resolution; Ω.m)

PS4F

CDR Phase Shift Resistivity (4 ft resolution; Ω.m)

PS5F

CDR Phase Shift Resistivity (5 ft resolution; Ω.m)

PSR

CDR Phase Shift Resistivity (shallow; Ω.m)

RBIT

RAB Bit Resistivity (Ω.m)

RBTM

CDR/RAB Resistivity Time After Bit (s)

RING

RAB Ring Resistivity (Ω.m)

ROMT

CDN Max. Density Total (g/cm³) from rotational processing

ROP

ISONIC/RAB Rate of Penetration (m/hr)

ROP1

RAB Rate of Penetration, average over last 1 ft (m/hr).

ROP5

ADN/CDN/CDR/RAB Rate of Penetration, average over last 5 ft (m/hr)

RPM

RAB Rotation Speed (rpm)

RTIM

RABResistivity Time after Bit (hr)

SGR

CDR Total Gamma Ray (API units)

T2

NMR T2 Distribution (%)

T2LM

NMR T2 Logarithmic Mean (ms)

THOR

CDR Thorium (ppm)

TNPH

ADN/CDN Thermal Neutron Porosity (%)

TNRA

CDN Thermal Ratio

URAN

CDR Uranium (ppm)

VCO

ISONIC Compressional Velocity, computed from DTCO (km/s)

AL2O3

Computed Al₂O₃ (dry weight %)

AL2O3MIN

Computed Al₂O₃ Standard Deviation (dry weight %)

AL2O3MAX

Computed Al₂O₃ Standard Deviation (dry weight %)

CAO

Computed CaO (dry weight %)

CAOMIN

Computed CaO Standard Deviation (dry weight %)

CAOMAX

Computed CaO Standard Deviation (dry weight %)

CACO3

Computed CaCO₃ (dry weight %)

CACO3MIN

Computed CaCO₃ Standard Deviation (dry weight %)

CACO3MAX

Computed CaCO₃ Standard Deviation (dry weight %)

CCA

Calcium Yield (decimal fraction)

CCHL

Chlorine Yield (decimal fraction)

CFE

ron Yield (decimal fraction)

CGD

Gadolinium Yield (decimal fraction)

CHY

Hydrogen Yield (decimal fraction)

CK

Potassium Yield (decimal fraction)

CSI

Silicon Yield (decimal fraction)

CSIG

Capture Cross Section (capture units)

CSUL

Sulfur Yield (decimal fraction)

CTB

Background Yield (decimal fraction)

CTI

Titanium Yield (decimal fraction)

FACT

Computed Quality Control Curve

FEO

Computed FeO (dry weight %)

FEOMIN

Computed FeO Standard Deviation (dry weight %)

FEOMAX

Computed FeO Standard Deviation (dry weight %)

FEO*

Computed FeO* (dry weight %)

FEO*MIN

Computed FeO* Standard Deviation (dry weight %)

FEO*MAX

Computed FeO* Standard Deviation (dry weight %)

FE2O3

Computed Fe₂O₃ (dry weight %)

FE2O3MIN

Computed Fe₂O₃ Standard Deviation (dry weight %)

FE2O3MAX

Computed Fe₂O₃ Standard Deviation (dry weight %)

GD

Computed Gadolinium (dry weight %)

GDMIN

Computed Gadolinium Standard Deviation (dry weight %)

GDMAX

Computed Gadolinium Standard Deviation (dry weight %)

K2O

Computed K₂O (dry weight %)

K2OMIN

Computed K₂O Standard Deviation (dry weight %)

K2OMAX

Computed K₂O Standard Deviation (dry weight %)

MGO

Computed MgO (dry weight %)

MGOMIN

Computed MgO Standard Deviation (dry weight %)

MGOMAX

Computed MgO Standard Deviation (dry weight %)

S

Computed Sulfur (dry weight %)

SMIN

Computed Sulfur Standard Deviation (dry weight %)

SMAX

Computed Sulfur Standard Deviation (dry weight %)

SIO2

Computed SiO₂ (dry weight %)

SIO2MIN

Computed SiO₂ Standard Deviation (dry weight %)

SIO2MAX

Computed SiO₂ Standard Deviation (dry weight %)

THORMIN

Computed Thorium Standard Deviation (ppm)

THORMAX

Computed Thorium Standard Deviation (ppm)

TIO2

Computed TiO₂ (dry weight %)

TIO2MIN

Computed TiO₂ Standard Deviation (dry weight %)

TIO2MAX

Computed TiO₂ Standard Deviation (dry weight %)

URANMIN

Computed Uranium Standard Deviation (ppm)

URANMAX

Computed Uranium Standard Deviation (ppm)

VARCA

Variable CaCO₃/CaO calcium carbonate/oxide factor

Any missing SLB acronyms could be found at SLB's Curve Mnemonic Dictionary