ACT

Aluminum Clay Tool

AIT

Array Induction Imager Tool

APS

Accelerator Porosity Sonde

CBL

Casing Bond Log

CMR

Combinable Magnetic Resonance Tool

CNTG

Compensated Neutron Tool

DLL

Dual Laterolog

DSLT

Digitizing Sonic Logging Tool

ECS

Elemental Capture Sonde

EDTC

Enhanced Digital Telemetry Cartridge - B

FMI

Fullbore Formation MicroImager

GR

Natural Gamma Ray

GPIT

General Purpose Inclinometry Tool

GST

Induced Gamma Ray Spectrometry Tool

HGNS

Highly Integrated Gamma Ray-Neutron Sonde

HNGS

Hostile Environment Gamma Ray Sonde

HRMS

High Resolution Mechanical Sonde (Caliper)

IDFR

iFlex Induction Dual Formation Resistivity Tool

ILDT

iFlex Litho Density Tool

ISLT

iFlex Sonic Logging Tool

ITGN

iFlex Telemetry Gamma-Neutron Tool

LDS

Lithodensity Sonde

LDT

Lithodensity Tool

MAST

Multimode Array Sonic Service Tool (MAXS-MAPC) - Sonic Scanner

MCFL

Micro Cylindrically Focused Log (housed in HRMS)

MDT

Modular Formation Dynamic Tester

MSCT

Mechanical Sidewall Coring Tool

NEXT

LithoScanner

NGT

Natural Gamma Ray Spectrometry Tool

PPC

Powered Positioning Device and Caliper Tool

PSPT

Production Services Logging Platform

RST

Reservoir Saturation Pro Tool-C

SP

Spontaneous Potential

TLD

Three Detector Density Tool

USIT

Ultrasonic Imaging Tool

ABHTV

Acoustic Borehole Televiewer (USGS)

CALI

Caliper Tool (USGS)

EMFM

Electro Magnetic Flowmeter (USGS)

EMFM

Electro Magnetic Flowmeter (USGS)

HPFM

Heat Pulse Flow Meter (USGS)

INCL

Inclinometry Tool (USGS)

MFT

Multi Function Tool USGS)

MSCL

Multi Sensor Core Logger (GEOTEK)

MSS-B

Magnetic Susceptibility Tool (LDEO-BRG)

OBHTV

Optical Borehole Televiewer (USGS)

SUSC

Magnetic Susceptibility Tool USGS)

AE10

AIT Induction, Environmentally Compensated - 10in investigation depth (Ω.m)

AF10

AIT Induction - 10in investigation depth (Ω.m)

AE20

AIT Induction, Environmentally Compensated - 20in investigation depth (Ω.m)

AF20

AIT Induction - 20in investigation depth (Ω.m)

AE30

AIT Induction, Environmentally Compensated - 30in investigation depth (Ω.m)

AF30

AIT Induction - 30in investigation depth (Ω.m)

AE60

AIT Induction, Environmentally Compensated - 60in investigation depth (Ω.m)

AF60

AIT Induction - 60in investigation depth (Ω.m)

AE90

AIT Induction, Environmentally Compensated - 90in investigation depth (Ω.m)

AF90

AIT Induction - 90in investigation depth (Ω.m)

AFEC

APS Far Epithermal Counts (cps)

ANEC

APS Near Epithermal Counts (cps)

ALUM

ACT Weight Percent (%)

APSC

ACT Sandstone Porosity (%)

AX

GPIT Acceleration X Axis (m/s²)

AY

GPIT Acceleration Y Axis (m/s²)

AZ

GPIT Acceleration Z Axis (m/s²)

BFV

CMR Bound Water Volume (%)

BI

CBL Bond Index

CALI

LDS/LDT Caliper (in)

CALM_20

ECS Capture Aluminum Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CBA_20

ECS Capture Barium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CCA

GST Calcium Yield (dec. frac.)

CCA_20

ECS Capture Calcium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CCHL

GST Chlorine Yield (dec. frac.)

CCHL_20

ECS Capture Chlorine Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CDCL_20

ECS Capture Chlorine Borehole Minus Formation Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CFE

GST Iron Yield (dec. frac.)

CFEU_20

ECS Capture Iron Relative Yield, uncorrected - 20 Elemental Standards Processing (dec. frac.)

CFTC

HGNS Far Thermal Counts( cps)

CGD_20

ECS Capture Gadolinium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CGR

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

CHY

GST Hydrogen Yield (dec. frac.)

CHY_20

ECS Capture Hydrogen Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CK_20

ECS Capture Potassium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CMAG_20

ECS Capture Magnesium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CMFF

CMR Free Fluid Volume (%)

CMRP_3MS

CMR Porosity with T2 > 3 ms (%)

CNA_20

ECS Capture Sodium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CNC_20

ECS Capture Nickel-Chromium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CNTC

HGNS Near Thermal Counts( cps)

CS

Cable Speed (m/hr)

CSI

GST Silicon Yield (dec. frac.)

CSI_20

ECS Capture Silicon Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CSIG

GST Formation Capture Cross Section (capture units)

CSUL

GST Sulfur Yield (dec. frac.)

CSUU_20

ECS Capture Sulfur Relative Yield - 20 Elemental Standards Processing (dec. frac.)

CTB

GST Background Yield (dec. frac.)

CTI_20

ECS Capture Titanium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

DEVI

GPT Hole Deviation (°)

DRHO

LDS/LDT/ILDT Bulk Density Correction (g/cm³)

DSOZ

TLD Bulk Density Correction (g/cm³)

DT

ISLT Delta-Time, Short Spacing (μs/ft)

DTCO

MAST Compressional Delta-Time (μs/ft)

DTCO1

MAST Compressional Delta-Time, Measurement 1 (μs/ft)

DTCO2

MAST Compressional Delta-Time, Measurement 2 (μs/ft)

DTCO3

MAST Compressional Delta-Time, Measurement 3 (μs/ft)

DTL

ITGN Delta-Time, Long Spacing (μs/ft)

DTSH1

MAST Shear Delta-Time, Measurement 1 (μs/ft)

DTSH2

MAST Shear Delta-Time, Measurement 2 (μs/ft)

DTSH3

MAST Shear Delta-Time, Measurement 3 (μs/ft)

DTSH5

MAST Shear Delta-Time, Measurement 5 (μs/ft)

DTSH6

MAST Shear Delta-Time, Measurement 6 (μs/ft)

DTSM

MAST Shear Delta-Time (μs/ft)

DTST

MAST Stoneley Delta-Time (μs/ft)

DWAL_WALK2

ECS Dry Weight Fraction Pseudo Aluminum - SpectroLith WALK2 Model (%)

DWAL_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Aluminum - SpectroLith WALK2 Model (%)

DWCA_WALK2

ECS Dry Weight Fraction Calcium - SpectroLith WALK2 Model (%)

DWCA_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Calcium - SpectroLith WALK2 Model (%)

DWFE_WALK2

ECS Dry Weight Fraction Iron - SpectroLith WALK2 Model (%)

DWFE_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Iron - SpectroLith WALK2 Model (%)

DWGD_WALK2

ECS Dry Weight Fraction Gadolinium - SpectroLith WALK2 Model (ppm)

DWGD_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Gadolinium - SpectroLith WALK2 Model (ppm)

DWHY_WALK2

ECS Dry Weight Fraction Hydrogen - SpectroLith WALK2 Model (%)

DWHY_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Hydrogen - SpectroLith WALK2 Model (%)

DWSI_WALK2

ECS Dry Weight Fraction Silicon - SpectroLith WALK2 Model (%)

DWSI_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Silicon - SpectroLith WALK2 Model (%)

DWSU_WALK2

ECS Dry Weight Fraction Sulfur - SpectroLith WALK2 Model (%)

DWSU_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Sulfur - SpectroLith WALK2 Model (%)

DWTI_WALK2

ECS Dry Weight Fraction Titanium - SpectroLith WALK2 Model (%)

DWTI_SIG_WALK2

ECS Statistical Uncertainty in Dry Weight Titanium - SpectroLith WALK2 Model (%)

ECGR

EDTC/ITGN Environmentally Corrected Gamma Ray (API units)

EHD1_PPC1

PPC1 Enhanced Hole Diameter 1 (in)

EHD2_PPC1

PPC1 Enhanced Hole Diameter 2 (in)

EHGR

EDTC/ITGN Environmentally Corrected High Resolution Gamma Ray (API units)

ENPH

CNTG Epithermal Neutron Porosity (%)

ENRA

CNTG Epithermal Neutron Ratio

ETIM

Elapsed Time (sec)

ETNP

ITGN High Resolution Thermal Neutron Porosity (%)

FECN

CNTG Far Epithermal Counts (cps)

FINC

GPIT Magnetic Field Inclination (°)

FNOR

GPIT Magnetic Field Total Moment (oersted)

FTCN

CNTG Far Thermal Counts (cps)

FX

GPIT Magnetic Field on X Axis (oersted)

FY

GPIT Magnetic Field on Y Axis (oersted)

FZ

GPIT Magnetic Field on Z Axis (oersted)

GOBO

CBL Good Bond

GR

EDTC/ITGN Gamma Ray (API units)

HASC

APS High Resolution Near/Array Corrected Sandstone Porosity (%)

HAZI

GPIT Hole Azimuth (°)

HBHK

HNGS Borehole Potassium Concentration (%)

HCAL

TLD Caliper (in)

HCFT

HGNS High Resolution Far Thermal Count Rate (cps)

HCGR

HNGS Computed Gamma Ray (API units)

HCNT

HGNS High Resolution Near Thermal Count Rate (cps)

HD1_PPC1

PPC1 Hole Diameter 1 (in)

HD1_PPC2

PPC2 Hole Diameter 1 (in)

HD2_PPC1

PPC1 Hole Diameter 2 (in)

HD2_PPC2

PPC2 Hole Diameter 2 (in)

HD1

EMS Hole Diameter 1 (in)

HD2

EMS Hole Diameter 2 (in)

HD3

EMS Hole Diameter 3 (in)

HDRA

TLD Spine and Ribs Density Correction (g/cm³)

HDRH

ILDT High Resolution Density Correction (g/cm³)

HEAVE_POS

MSS-B Heave (m)

HEAVE_ACC

MSS-B Heave Acceleration (m/s²)

HFEC

APS High Resolution Far Detector Count Rate (cps)

HFK

HNGS Formation Potassium Concentration (%)

HGR

EDTC/ITGN High Resolution Gamma Ray (API units)

HNEC

APS High Resolution Near Detector Count Rate (cps)

HNPO

High Resolution Enhanced Thermal Neutron Porosity in Selected Lithology (%)

HPRH

TLD Photoelectric Factor Correction (g/cm³)

HPEF

LDS/LDT/ILDT High Resolution Photoelectric Effect (barns/e^-)

HPRA

LDS/LDT/ILDT Photoelectric Factor Correction

HRHO

LDS/LDT/ILDT High Resolution Bulk Density (g/cm³)

HSGR

HNGS Standard Gamma-Ray (API units)

HSIG

APS High Resolution Formation Capture Cross Section (capture units)

HTHO

HNGS Formation Thorium Concentration (ppm)

HTNP

CNTG High Resolution Thermal Neutron Porosity (%)

HURA

HNGS Formation Uranium Concentration (ppm)

IC_20

ECS Inealastic Carbon Relative Yield - 20 Elemental Standards Processing (dec. frac.)

ICA_20

ECS Inealastic Calcium Relative Yield - 20 Elemental Standards Processing (dec. frac.)

IO_20

ECS Inealastic Oxygen Relative Yield - 20 Elemental Standards Processing (dec. frac.)

ISI_20

ECS Inealastic Silicon Relative Yield - 20 Elemental Standards Processing (dec. frac.)

ITB_20

ECS Inealastic Tool Background Relative Yield - 20 Elemental Standards Processing (dec. frac.)

ILD2

IDFR Induction Deep Resistivity, 2 ft (Ω.m)

ILD4

IDFR Induction Deep Resistivity, 4 ft (Ω.m)

ILM2

IDFR Induction Medium Resistivity, 2 ft (Ω.m)

ILM4

IDFR Induction Medium Resistivity, 4 ft (Ω.m)

ILS2

IDFR Induction Shallow Resistivity, 2 ft (Ω.m)

ILS4

IDFR Induction Shallow Resistivity, 4 ft (Ω.m)

KSDR

CMR SDR Permeability (mD)

KTIM

CMR Timur-Coates Model Permeability (mD)

LLD

DLL Laterolog Deep (Ω.m)

LLS

DLL Laterolog Shallow (Ω.m)

NECN

CNTG Near Epithermal Counts (cps)

NTCN

CNTG Near Thermal Counts (cps)

NPHI

CNTG/HNGS Thermal Neutron Porosity (%)

NPHI

HNGS Enhanced Thermal Neutron Porosity (%)

NPOR

APS Enhanced Thermal Neutron Porosity in Selected Lithology (%)

PEF

LDS/LDT/ILDT Photoelectric Effect (barns/e^-)

PEFZ

TLD Photoelectric Effect (barns/e^-)

POTA

NGT Potassium (%)

RB

GPIT Pad 1 Relative Bearing (°)

RHOB

LDS/LDT/ILDT/MSCL Bulk Density (g/cm³)

RHOZ

TLD Bulk Density (g/cm³)

SDPB

APS Slowing Down Porosity - Borehole Corrected (%)

SDPB_HR

APS High Resolution Slowing Down Porosity - Borehole Corrected (%)

SGR

NGT Total Gamma Ray (API units)

SIGF

APS Formation Capture Cross Section (capture units)

SP

Spontaneous Potential (mV)

STOF

APS Standoff (in)

T2LM

CMR Logarithmic Mean

TCMR

CMR Total Porosity (%)

TENS

Tension (lb)

THOR

NGT Thorium (ppm)

TIME

Time (s)

TNPE

ITGNThermal Neutron Porosity (%)

TNPH

CNTG/HGNS Thermal Neutron Porosity (%)

TNRA

CNTG/HGNS Thermal Neutron Ratio

URAN

NGT Uranium (ppm)

VCO

Compressional Velocity (km/s)

VELP

Compressional Velocity (km/s)

VELS

Shear Velocity (km/s)

VELT

Stoneley Velocity (km/s)

VEL_SS

ISLT Compressional Velocity from DT (km/s)

VEL_LS

ISLT Compressional Velocity from DTL (km/s)

VSH

Shear Velocity (km/s)

VST

Stoneley Velocity (km/s)

UWAL

ACT Uncorrected Weight Percent (%)

WANH_WALK2

ECS Dry Weight Fraction Anhydrite/Gypsum - SpectroLith WALK2 Model (%)

WCAR_WALK2

ECS Dry Weight Fraction Carbonate - SpectroLith WALK2 Model (%)

WCLA_WALK2

ECS Dry Weight Fraction Clay - SpectroLith WALK2 Model (%)

WCOA_WALK2

ECS Dry Weight Fraction Coal - SpectroLith WALK2 Model (%)

WEVA_WALK2

ECS Dry Weight Fraction Salt - SpectroLith WALK2 Model (%)

WPYR_WALK2

ECS Dry Weight Fraction Pyrite - SpectroLith WALK2 Model (%)

WQFM_WALK2

ECS Dry Weight Fraction Quartz+Feldspar+Mica - SpectroLith WALK2 Model (%)

WSID_WALK2

ECS Dry Weight Fraction Siderite - SpectroLith WALK2 Model (%)

W1NG

NGT 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)

ACCZ

MSS-B Tool Acceleration (m/s²)

ACCZ_RAW

MSS-B Tool Acceleration Raw (V)

AZIM

INCL Azimuth (°)

CABLE_SPEED

MSS-B Cable Speed (m/s)

CAL

CALI Hole Diameter (in)

COND_LORES

MSS-B Low Resolution Sensor Conductivity (S/m)

COND_LORES_RAW

MSS-B Low Resolution Sensor Conductivity Raw Voltage (V)

DEL TEMP

MFT Delay Temperature (degF)

EMFM_AMB

EMFM Heat Pulse Flow - Ambient (gal/min)

EMFM_INJ

EMFM Heat Pulse Flow - Injection (gal/min)

FL COND AMB

MFT Fluid Conductivity - Ambient (microS/cm)

GAM (NAT)

MFT Natural Gamma Ray (counts per second)

HPFM_AMB

HPFM Heat Pulse Flow - Ambient (gal/min)

HPFM_INJ

HPFM Heat Pulse Flow - Injection (gal/min)

LATERAL

MFT Lateral Resisistivity (Ω.m)

RES (FL) AMB

MFT Fluid Resisistivity - Ambient (Ω.m)

RES (64N)

MFT Long Normal (Ω.m)

RES (16N)

MFT Short Normal (Ω.m)

RHOB

MSCL Gamma/Density (g/cm³)

SANG

MFT Slant Angle (°)

SP

MFT Spontaneous Potential (mV)

SP COND AMB

MFT Single Point Conductivity - Ambient (μS/cm)

SUSC

MSCL Magnetic Susceptibility (10-5 SI)

SUSC

SUSC Magnetic Susceptibility (cgs_e-5)

SUSC_HIRES

MSS-B High Resolution Sensor Magnetic Susceptibility (SI)

SUSC_HIRES_RAW

MSS-B High Resolution Sensor Magnetic Susceptibility Raw Voltage (Hz)

SUSC_LORES

MSS-B Low Resolution Sensor Magnetic Susceptibility (SI)

SUSC_LORES_RAW

MSS-B Low Resolution Sensor Magnetic Susceptibility Raw Voltage (V)

TEMP AMB

MFT Temperature - Ambient (degF)

TENS

MSS-B Tension (N)

TILT

INCL Hole Deviation (°)

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