APS

Accelerator Porosity Sonde

DIT

Dual Induction Tool

DLL

Dual Laterolog

DSI

Dipole Sonic Imager

EDTC-B

Enhanced Digital Telemetry Cartridge

EMS

Environment Measurement Sonde

FMS

Formation MicroScanner

GPIT

General Purpose Inclinometry Tool

HLDS

Hostile Environment Lithodensity Sonde

HNGS

Hostile Environment Gamma Ray Sonde

HRLA

High Resolution Laterolog Array Tool

LEH-MT

Logging Equipment Head and Mud Temperature

MCD

Mechanical Caliper Device

QAIT

SlimXtreme Array Induction Imager Tool

SGT

Scintillation Gamma Ray Tool

SP

Spontaneous Potential

UBI

Ultrasonic Borehole Imager

VSI

Versatile Seismic Imager

WST

Well Seismic Tool

WST-3

3-Component Well Seismic Tool

ADN

adnVISION Tool

ARC

arcVISION Tool

GVR

geoVISION

MWD

Measurement-While Drilling

NMR

proVision Tool (Nuclear Magnetic Resonance)

RAB

Resistivity-at-the-Bit

MGT

Multisensor Gamma Tool

MSS

Magnetic Susceptibility Sonde

MTT

Modular Temperature Tool

TAP

Temperature-Acceleration-Pressure Tool

MAGN-GBM

Borehole 3-axis Magnetometer (Univ. of Goettingen)

DRILLING DEPTH SCALE

DRF

Drilling depth below rig floor (m DRF)

DSF

Drilling depth below sea floor (m DSF)

WIRELINE LOGGING DEPTH SCALE

WRF

Wireline log depth below rig floor (m WRF)

WSF

Wireline log depth below sea floor (m WSF)

WMSF

Wireline log matched depth below sea floor (m WMSF)

WSSF

Wireline log speed-corrected depth below sea floor (m WSSF)

LOGGING WHILE DRILLING DEPTH SCALE

LRF

LWD depth below rig floor (m LRF)

LSF

LWD depth below sea floor (m LSF)

CORE DEPTH SCALE

CSF

Core depth below rig floor (m CSF)

CCSF

Core composite depth below sea floor (m CCSF)

MUD DEPTH SCALE

MSL

Mud depth below sea level (m MSL)

SEISMIC DEPTH SCALE

SSF

Seismic depth scale (m SSF)

AF10

QAIT Induction Resistivity, 10in investigation depth (Ω.m)

AF20

QAIT Induction Resistivity, 20in investigation depth (Ω.m)

AF30

QAIT Induction Resistivity, 30in investigation depth (Ω.m)

AF60

QAIT Induction Resistivity, 60in investigation depth (Ω.m)

AF90

QAIT Induction Resistivity, 90in investigation depth (Ω.m)

AFEC

APS Far Detector Counts (cps)

APLC

APS Near/Array Corrected Limestone Porosity (%)

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)

ANOR

Acceleration Computed Norm (m/s²)

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)

BAMN

UBI Amplitude, Minimum Value (in)

BAMX

UBI Amplitude, Maximum Value (in)

C1

FMS Caliper 1 (in)

C2

FMS Caliper 2 (in)

CALI

HLDS/MCD Caliper (in)

CS

Cable Speed (m/hr)

DEVI

GPIT Hole Deviation (°)

DF

Drilling Force (lbf)

DRH

Bulk Density Correction (g/cm³)

DT1

DSI Shear Slowness, Lower Dipole (μs/ft)

DT1R

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

DT1T

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

DT2

DSI Shear Slowness, Upper Dipole (μs/ft)

DT2R

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

DT2T

DSI Compressional Slowness, Transmitter Array, Upper Dipole (μs/ft)

DT4P

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

DT4S

DSI Shear Slowness, P&S (μs/ft)

DT5

DSI Compressional Slowness (μs/ft), First Detection Mode

DTCO

DSI Compressional Slowness (μs/ft)

DTRP

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

DTRS

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

DTSM

DSI Shear Slowness (μs/ft)

DTST

DSI Stoneley Slowness(μs/ft)

DTTP

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

DTTS

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

ECGR

SGTE Environmentally Corrected Gamma Ray (API units)

ECGR

SGTE/EDTC-B Environmentally Corrected Gamma Ray (API units)

EHGR

SGTE/EDTC-B Environmentally Corrected High Resolution Gamma Ray (API units)

ETIM

Elapsed Time (sec)

FINC

GPIT Magnetic Field Inclination (°)

FNOR

GPIT Magnetic Field Total Moment (oersted)

FPLC

APS Far Array Corrected Limestone Porosity (%)

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

SGTE/EDTC-B Gamma Ray (API units)

GRC

Borehole-corrected Gamma Ray (API units)

HALC

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

HAZI

GPIT Hole Azimuth (°)

HBDC

HLDS High Resolution Bulk Density Correction (g/cm³)

HBHK

HNGS Borehole Potassium (%)

HCGR

HNGS Computed Gamma Ray (API units)

HDEB

HLDS High Resolution Enhanced Bulk Density (g/cm³)

HFEC

APS High Resolution Far Detector Counts (cps)

HFK

HNGS Formation Potassium (%)

HFLC

APS High Resolution Far/Array Limestone Porosity Corrected (%)

HGR

SGTE/EDTC-B High Resolution Gamma Ray (API units)

HLCA

HLDS High Resolution Caliper (in )

HLEF

HLDS High Resolution Long-spaced Photoelectric Effect (barns/e^-)

HNEC

HLDS High Resolution Near Detector Counts (cps)

HRHL

HLDS High Resolution Long-spaced Bulk Density (g/cm³)

HRHS

HLDS High Resolution Short-spaced Bulk Density (g/cm³)

HROM

HLDS High Resolution Corrected Bulk Density (g/cm³)

HSGR

HNGS Standard (total) Gamma Ray (API units)

HSIG

APS High Resolution Formation Capture Cross Section (capture units)

HSTO

HNGS High Resolution Computed Standoff (in)

HTHO

HNGS Thorium (ppm)

HURA

HNGS Uranium (ppm)

IDPH

DIT Phasor Deep Induction Resistivity (Ω.m)

IMPH

DIT Phasor Medium Induction Resistivity (Ω.m)

LCAL

DIT Caliper (in)

LLD

ARI/DLL Laterolog Deep (Ω.m)

LLS

ARI/DLL Laterolog Shallow (Ω.m)

MTEM

LEH-MT Mud Temperature (°C)

NRHB

HLDS Bulk Density (g/cm³)

P1AZ

GPIT Pad 1 Azimuth (°)

PEFL

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

RADIUS_25

UBI Lower quartile value of the borehole radius distribution (in)

RADIUS_75

UBI Upper quartile value of the borehole radius distribution (in)

RADIUS_MEDIAN

UBI Median value of the borehole radius distribution (in)

RB

GPIT Pad 1 Relative Bearing (°)

RCAV

UBI Corrected Radius, Average Value (in)

RCMN

UBI Corrected Radius, Minimum Value (in)

RCMX

UBI Corrected Radius, Maximum Value (in)

REMS

EMS Mud Resistivity (Ω.m)

RHL

HLDS Long-spaced Bulk Density (g/cm³)

RHOM

HLDS Corrected Bulk Density (g/cm³)

RHS

HLDS Short-spaced Bulk Density (g/cm³)

RLA1

HRLA Apparent Resistivity from Computed Focusing Mode 1 (Ω.m)

RLA2

HRLA Apparent Resistivity from Computed Focusing Mode 2 (Ω.m)

RLA3

HRLA Apparent Resistivity from Computed Focusing Mode 3 (Ω.m)

RLA4

HRLA Apparent Resistivity from Computed Focusing Mode 4 (Ω.m)

RLA5

HRLA Apparent Resistivity from Computed Focusing Mode 5 (Ω.m)

RM_HRLT

HRLA Computed Mud Resistivity (Ω.m)

RT_HRLT

HRLA True Formation Resistivity (Ω.m)

SDEV

Sonde Deviation (°)

SFLU

DIT Spherically Focused Log (Ω.m)

SIGF

APS Formation Capture Cross Section (capture units)

SP

SP Spontaneous Potential (mV)

STOF

APS Computed Standoff (in)

TENS

Tension (lb)

TMP

Mud Temperature (°C)

V4P

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

V4S

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

V5P

DSI Compressional Velocity (km/s, from DT5)

VCO

DSI Compressional Velocity (from DTCO, km/s)

VELP

DSI Compressional Velocity (processed from waveforms; km/s)

VELS

DSI Shear Velocity (processed from waveforms; km/s)

VS

DSI Shear Velocity (from DTSM, km/s)

VS1

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

VS1R

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

VS1T

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

VS2

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

VS2R

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

VS2T

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

VST

DSI Stoneley Velocity (from DTST, km/s)

VSTO

DSI Stoneley Velocity (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)

VTP

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

VTS

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

A16B

ARC/ECO Attenuation Resistivity Blended, 16 in. (Ω.m)

A22B

ARC/ECO Attenuation Resistivity Blended, 22 in. (Ω.m)

A28B

ARC/ECO Attenuation Resistivity Blended, 28 in. (Ω.m)

A34B

ARC/ECO Attenuation Resistivity Blended, 34 in. (Ω.m)

A40B

ARC/ECO Attenuation Resistivity Blended, 40 in. (Ω.m)

A16H

ARC/ECO Attenuation Resistivity, 2 MHz, 16 in. (Ω.m)

A22H

ARC/ECO Attenuation Resistivity, 2 MHz, 22 in. (Ω.m)

A28H

ARC/ECO Attenuation Resistivity, 2 MHz, 28 in. (Ω.m)

A34H

ARC/ECO Attenuation Resistivity, 2 MHz, 34 in. (Ω.m)

A40H

ARC/ECO Attenuation Resistivity, 2 MHz, 40 in. (Ω.m)

A16L

ARC/ECO Attenuation Resistivity, 400 KHz, 16 in. (Ω.m)

A22L

ARC/ECO Attenuation Resistivity, 400 KHz, 22 in. (Ω.m)

A28L

ARC/ECO Attenuation Resistivity, 400 KHz, 28 in. (Ω.m)

A34L

ARC/ECO Attenuation Resistivity, 400 KHz, 34 in. (Ω.m)

A40L

ARC/ECO Attenuation Resistivity, 400 KHz, 40 in. (Ω.m)

ADIA

NEO Borehole Diameter, Average (in)

AGTM

ARC/ECO Gamma Ray Time After Bit (s)

APRS

ARC Annulus Pressure (psi)

ARTM

ARC/ECO Resistivity Time After Bit (s)

ATMP

ARC Annulus Temperature (°C)

B1TM

GVR Shallow Resistivity Time after Bit (s)

B2TM

GVR Medium Resistivity Time after Bit (s)

B3TM

GVR Deep Resistivity Time after Bit (s)

BDAV

GVR Deep Resistivity Average (Ω.m)

BFV

NMR Bound Fluid Volume (%)

BMAV

GVR Medium Resistivity Average (Ω.m)

BPHI

ECO Best Thermal Neutron Porosity, Average (%)

BSAV

GVR Shallow Resistivity Average (Ω.m)

CC15

Ultrasonic Borehole Centered Caliper Along Axis 1 and 5 (in)

CC26

Ultrasonic Borehole Centered Caliper Along Axis 2 and 6 (in)

CC37

Ultrasonic Borehole Centered Caliper Along Axis 3 and 7 (in)

CC48

Ultrasonic Borehole Centered Caliper Along Axis 4 and 8 (in)

CRPM

EcoScope Collar Rotational Speed (rpm)

DCAL

ADN/ECO Differential Caliper (in)

DCAV

ECO/NEO/ADN Density Caliper, Average (in)

DHAP

ECO Downhole Annulus Pressure (psi)

DHAT

ECO Downhole Annulus Temperature (°C)

DPHI

Density Porosity (%)

DRHO

ADN/ECO Bulk Density Correction (g/cm³)

DRRT

ADN/ECO Correction for ADN rotational density (g/cm³).

DTAB

ADN Density Time after Bit (hr)

DTCO

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

DTCU

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

DWAL_WALK2

ECO Dry Weight Fraction Pseudo Aluminum (Walk2 Mode)

DWCA_WALK2 

ECO Dry Weight Fraction Calcium (Walk2 Mode)

DWFE_WALK2 

ECO Dry Weight Fraction Iron (Walk2 Mode)

DWGD_WALK2

ECO Dry Weight Fraction Gadolinium (Walk2 Mode)

DWK_WALK2

ECO Dry Weight Fraction Potassium (Walk2 Mode)

DWSI_WALK2

ECO Dry Weight Fraction Silicon (Walk2 Mode)

DWSU_WALK2

ECO Dry Weight Fraction Sulfur (Walk2 Mode)

DWTI_WALK2

ECO Dry Weight Fraction Titanium (Walk2 Mode)

ECD

ARC Equivalent Circulating Density (lb/gal)

FFV

NMR Free Fluid Volume (%)

GR

ARC/GVR Gamma Ray (API Units)

GRMA

ECO Gamma Ray, Average (gAPI units)

GRTK

GVR Gamma Ray Time after Bit (s)

IDDR

ADN/ECO Image Derived Density Correction (g/cm³).

IDPE

ADN/ECO Image Derived Photoelectric Effect (barns/e^-)

IDRO

ADN/ECO Image Derived Bulk Density (g/cm³)

ISTB

SONIC Sonic Time after Bit (hr or min)

ITT

SONIC Integrated Transit Time (μs)

KTIM

NMR Timur/Coates Permeability (mD)

MRP

NMR Magnetic Resonance Porosity (%)

NTAB

ADN Neutron Time after Bit (hr)

P16B

ARC/ECO Phase Shift Resistivity Blended, 16 in. (Ω.m)

P22B

ARC/ECO Phase Shift Resistivity Blended, 22 in. (Ω.m)

P28B

ARC/ECO Phase Shift Resistivity Blended, 28 in. (Ω.m)

P34B

ARC/ECO Phase Shift Resistivity Blended, 34 in. (Ω.m)

P40B

ARC/ECO Phase Shift Resistivity Blended, 40 in. (Ω.m)

P16H

ARC/ECO Phase Shift Resistivity, 2 MHz, 16 in (Ω.m)

P22H

ARC/ECO Phase Shift Resistivity, 2 MHz, 22 in (Ω.m)

P28H

ARC/ECO Phase Shift Resistivity, 2 MHz, 28 in (Ω.m)

P34H

ARC/ECO Phase Shift Resistivity, 2 MHz, 34 in (Ω.m)

P40H

ARC/ECO Phase Shift Resistivity, 2 MHz, 40 in (Ω.m)

P16L

ARC/ECO Phase Shift Resistivity, 400 KHz, 16 in (Ω.m)

P22L

ARC/ECO Phase Shift Resistivity, 400 KHz, 22 in (Ω.m)

P28L

ARC/ECO Phase Shift Resistivity, 400 KHz, 28 in (Ω.m)

P34L

ARC/ECO Phase Shift Resistivity, 400 KHz, 34 in (Ω.m)

P40L

ARC/ECO Phase Shift Resistivity, 400 KHz, 40 in (Ω.m)

PEF

ADN/ECO Photoelectric Effect (barns/e^-)

RBIT

GVR Bit Resistivity (Ω.m)

RBTM

GVR Resistivity Time After Bit (s)

RES_BD

Deep Button Resistivity (Ω.m)

RES_BIT

Bit Resistivity (Ω.m)

RES_BM

Medium Button Resistivity (Ω.m)

RES_BS

Shallow Button Resistivity (Ω.m)

RES_RING

Ring Resistivity (Ω.m)

RING

GVR Ring Resistivity (Ω.m)

RHOB

ADN/ECO Bulk Density (g/cm³)

RHON

NEO Bulk Density (g/cm³)

ROP5

ADN/ARC/ECO/GVR Rate of Penetration, average over last 5 ft (m/hr)

RM

Recorded Mode

RPM

Tool Rotation Speed (rpm)

RT

Real Time Mode

RTIM

GVR Ring Resistivity Time after Bit (hr)

T2

NMR T2 Distribution (%)

T2LM

NMR T2 Logarithmic Mean (ms)

TAB_DEN

ARC/ECO Density Time after Bit (s)

TAB_NEU

ARC/ECO Neutron Time after Bit (s)

TNPH

ADN/ECO Thermal Neutron Porosity (%)

UCAV

ECO/NEO Ultrasonic Caliper, Average (in)

VCO

SONIC Compressional Velocity (Computed Downhole), from DTCO (km/s)

VCU

SONIC Compressional Velocity (Computed Uphole), from DTCU (km/s)

CALC_MS

MSS Calculated Magnetic Susceptibility (approx_SI)

LCONR

MSS Dual Coil Conductivity, Raw Data (V)

LSUSR

MSS Deep Dual Coil Susceptibility, Raw Data (V)

TEMP

MSS Internal Tool Temperature (°C)

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