IODP - CDEX/MarE3 EXPEDITIONS
ACRONYMS USED FOR SCHLUMBERGER (SLB) LWD TOOLS
| ADN | adnVision | 
| ARC | arcVision | 
| GVR | geoVision | 
| MWD | Measurement While Drilling-Power Pulse | 
| SONIC | sonicVision | 
| SVWD | seismicVision While Drilling | 
ACRONYMS USED FOR LWD SPERRY-HALLIBURTON TOOLS
| AFR | Azimuthal Focused Resistivity | 
| AGR | Azimuthal Gamma Ray | 
| DGR | Dual Gamma Ray | 
| EWR-P4 | Electromagnetic Wave Resistivity Tool-Phase 4 | 
| EWR-M5 | Electromagnetic Integrated Resistivity-5 Spacings | 
| PWD | Pressure-While-Drilling Service | 
| XBAT | Azimuthal Sonic and Ultrasonic LWD Service | 
ACRONYMS USED FOR WIRELINE SLB TOOLS
| CCL | Casing Collar Locator | 
| CMR | Combinable Magnetic Resonance Tool | 
| EDTC | Enhanced Digital Telemetry Cartridge | 
| EMS | Environment Measurement Sonde | 
| FMI | Fullbore Formation MicroImager | 
| GPIT | General Purpose Inclinometry Tool | 
| HGNS | Highly Integrated Gamma Ray-Neutron Sonde | 
| HNGS | Hostile Environment Gamma Ray Sonde | 
| HRLA | High Resolution Laterolog Array Tool | 
| MAST | Multimode Array Sonic Service Tool (MAXS-MAPC) | 
| MCFL | Micro Cylindrically Focused Log | 
| MDT | Modular Formation Dynamic Tester | 
| PPC | Power Positioning Device and Caliper Tool | 
| TLD | Three Detector Lithology Density Tool | 
| VSI | Versatile Seismic Imager | 
DEPTH SCALE TERMINOLOGY
| DRILLING DEPTH SCALE | |
| DRF | Drilling depth below rig floor (m DRF) | 
| DRT | Drilling depth below rotary table (m BRT) | 
| 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) | 
ACRONYMS AND UNITS USED FOR LWD/MWD SLB LOGS
| ADIA | ADN Average Hole Diameter (in) | 
| A16B | ARC Attenuation Resistivity Blended, 16 in. (Ω.m) | 
| A22B | ARC Attenuation Resistivity Blended, 22 in. (Ω.m) | 
| A28B | ARC Attenuation Resistivity Blended, 28 in. (Ω.m) | 
| A34B | ARC Attenuation Resistivity Blended, 34 in. (Ω.m) | 
| A40B | ARC Attenuation Resistivity Blended, 40 in. (Ω.m) | 
| A16H | ARC Attenuation Resistivity, 2 MHz, 16 in. (Ω.m) | 
| A22H | ARC Attenuation Resistivity, 2 MHz, 22 in. (Ω.m) | 
| A28H | ARC Attenuation Resistivity, 2 MHz, 28 in. (Ω.m) | 
| A34H | ARC Attenuation Resistivity, 2 MHz, 34 in. (Ω.m) | 
| A40H | ARC Attenuation Resistivity, 2 MHz, 40 in. (Ω.m) | 
| A16L | ARC Attenuation Resistivity, 400 KHz, 16 in. (Ω.m) | 
| A22L | ARC Attenuation Resistivity, 400 KHz, 22 in. (Ω.m) | 
| A28L | ARC Attenuation Resistivity, 400 KHz, 28 in. (Ω.m) | 
| A34L | ARC Attenuation Resistivity, 400 KHz, 34 in. (Ω.m) | 
| A40L | ARC Attenuation Resistivity, 400 KHz, 40 in. (Ω.m) | 
| AGTM | ARC Gamma Ray Time After Bit (s) | 
| APRS | ARC Real Time Annular Pressure (psi) | 
| ARTM | ARC Resistivity Time After Bit (s) | 
| ATMP | ARC Annular Temperature (degC) | 
| 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) | 
| BMAV | GVR Medium Resistivity Average (Ω.m) | 
| BSAV | GVR Shallow Resistivity Average (Ω.m) | 
| CALE | Borehole Diameter from Electrical Caliper (in) | 
| CC15 | ADN Ultrasonic Borehole Centered Caliper Along Axis 1 and 5 (in) | 
| CC26 | ADN Ultrasonic Borehole Centered Caliper Along Axis 2 and 6 (in) | 
| CC37 | ADN Ultrasonic Borehole Centered Caliper Along Axis 3 and 7 (in) | 
| CC48 | ADN Ultrasonic Borehole Centered Caliper Along Axis 4 and 8 (in) | 
| DCAV | Caliper, Averaged (in) | 
| DHAP | Downhole Annulus Pressure (psi) | 
| DHAT | Downhole Annulus Temperature (°C) | 
| DRHO | ADN Bulk Density Correction (g/cm3) | 
| DTCO* | Compressional Slowness (μs/ft) | 
| DTOR | Downhole Torque (kN.m) | 
| DTSH* | Shear Slowness (μs/ft) | 
| DWOB | Downhole Weight on Bit (1000_kgf) | 
| ECD* | Equivalent Circulating Density (lb/gal) | 
| GR | ARC/GVR Gamma Ray (API Units) | 
| HD* | Hole Diameter (in) | 
| IDDR | ADN Image-Derived Density Correction (g/cm3). | 
| IDPE | ADN Image-Derived Photoelectric Effect (barns/e-) | 
| IDRO | ADN Image-Derived Bulk Density (g/cm3) | 
| P16B | ARC Phase Shift Resistivity Blended, 16 in. (Ω.m) | 
| P22B | ARC Phase Shift Resistivity Blended, 22 in. (Ω.m) | 
| P28B | ARC Phase Shift Resistivity Blended, 28 in. (Ω.m) | 
| P34B | ARC Phase Shift Resistivity Blended, 34 in. (Ω.m) | 
| P40B | ARC Phase Shift Resistivity Blended, 40 in. (Ω.m) | 
| P16H | ARC Phase Shift Resistivity, 2 MHz, 16 in (Ω.m) | 
| P22H | ARC Phase Shift Resistivity, 2 MHz, 22 in (Ω.m) | 
| P28H | ARC Phase Shift Resistivity, 2 MHz, 28 in (Ω.m) | 
| P34H | ARC Phase Shift Resistivity, 2 MHz, 34 in (Ω.m) | 
| P40H | ARC Phase Shift Resistivity, 2 MHz, 40 in (Ω.m) | 
| P16L | ARC Phase Shift Resistivity, 400 KHz, 16 in (Ω.m) | 
| P22L | ARC Phase Shift Resistivity, 400 KHz, 22 in (Ω.m) | 
| P28L | ARC Phase Shift Resistivity, 400 KHz, 28 in (Ω.m) | 
| P34L | ARC Phase Shift Resistivity, 400 KHz, 34 in (Ω.m) | 
| P40L | ARC Phase Shift Resistivity, 400 KHz, 40 in (Ω.m) | 
| PEF | ADN Photoelectric Effect (barns/e-) | 
| RBIT | GVR Bit Resistivity (Ω.m) | 
| RBTM | GVR Resistivity Time After Bit (s) | 
| RES_BD | Deep Button Resistivity | 
| RES_BIT | Bit Resistivity | 
| RES_BM | Medium Button Resistivity | 
| RES_BS | Shallow Button Resistivity | 
| RES_BX | eXtra Deep Button Resistivity | 
| RES_TRD | Resistivity Toroidal Receiver Deep | 
| RES_TRX | Resistivity Toroidal Receiver eXtra Deep | 
| RING | GVR Ring Resistivity (Ω.m) | 
| RHOB | ADN Bulk Density (g/cm3) | 
| RM | Recorded Mode | 
| ROP5 | Rate of Penetration, average over last 5 ft (m/hr) | 
| RPM | Tool Rotation Speed (rpm) | 
| RT | Real Time Mode | 
| RTIM | GVR Ring Resistivity Time after Bit (hr) | 
| SPPA | Stand Pipe Pressure | 
| SWOB | Surface Weight On Bit | 
| TAB_DEN | ARC Density Time after Bit (s) | 
| TAB_NEU | ARC Neutron Time after Bit (s) | 
| TAB_RES_BD | Deep Button Resistivity Time after Bit (s) | 
| TAB_RES_BIT | Bit Resistivity Time after Bit (s) | 
| TAB_RES_BM | Medium Button Resistivity Time after Bit (s) | 
| TAB_RES_BS | Shallow Button Resistivity Time after Bit (s) | 
| TAB_RES_RING | Ring Resistivity Time after Bit (s) | 
| TEMP | Borehole Temperature (C) | 
| TFLO | Total flow rate of all active pumps | 
| TNPH | ARC Thermal Neutron Porosity (%) | 
| TQA | Surface Torque | 
| VCO | Compressional Velocity (computed from DTCO; km/s) | 
| VSH | Shear Velocity (km/s) | 
ACRONYMS AND UNITS USED FOR LWD/MWD HALLIBURTON LOGS
| ABR | AFR Resistivity at-the-bit (Ω.m) | 
| AFRDC | AFR Deep Resistivity, Borehole Corrected (Ω.m) | 
| AFRSC | AFR Shallow Resistivity, Borehole Corrected (Ω.m) (Ω.m) | 
| AFXT | AFR Formation Exposure Time (s) | 
| AGRCC | AGR Combined Gamma Ray, Borehole Corrected (API units) | 
| AGTEMP | AGR Temperature (degC) | 
| AGXT | AGR Formation Exposure Time (s) | 
| DGRCC | DGR Combined Gamma Ray, Borehole Corrected (API units) | 
| EWTEMP | EWR-P4 Temperature (degC) | 
| M5TEMP | EWR-M5 Temperature (degC) | 
| M5XT | EWR-M5 Formation Exposure Time (s) | 
| PWEA | PWD Annular Ellipse Mud Weight (lb/gal) | 
| PWPA | PWD Annular Pressure (psi) | 
| ROPA | Average Rate of Penetration (m/hr) | 
| R09AC | EWR-P4 Attenuation Resistivity, 9 in., Borehole Corrected (Ω.m) | 
| R15AC | EWR-P4 Attenuation Resistivity, 15 in., Borehole Corrected (Ω.m) | 
| R27AC | EWR-P4 Attenuation Resistivity, 27 in., Borehole Corrected (Ω.m) | 
| R39AC | EWR-P4 Attenuation Resistivity, 39 in., Borehole Corrected (Ω.m) | 
| R09PC | EWR-P4 Phase Resistivity, 9 in., Borehole Corrected (Ω.m) | 
| R15PC | EWR-P4 Phase Resistivity, 15 in., Borehole Corrected (Ω.m) | 
| R27PC | EWR-P4 Phase Resistivity, 27 in., Borehole Corrected (Ω.m) | 
| R39PC | EWR-P4 Phase Resistivity, 39 in., Borehole Corrected (Ω.m) | 
| RH16AC | EWR-M5 Attenuation Resistivity, 2 MHz, 16 in., Borehole Corrected (Ω.m) | 
| RH24AC | EWR-M5 Attenuation Resistivity, 2 MHz, 24 in., Borehole Corrected (Ω.m) | 
| RH32AC | EWR-M5 Attenuation Resistivity, 2 MHz, 32 in., Borehole Corrected (Ω.m) | 
| RH40AC | EWR-M5 Attenuation Resistivity, 2 MHz, 40 in., Borehole Corrected (Ω.m) | 
| RH48AC | EWR-M5 Attenuation Resistivity, 2 MHz, 48 in., Borehole Corrected (Ω.m) | 
| RH16PC | EWR-M5 Phase Shift Resistivity, 2 MHz, 16 in., Borehole Corrected (Ω.m) | 
| RH24PC | EWR-M5 Phase Shift Resistivity, 2 MHz, 24 in., Borehole Corrected (Ω.m) | 
| RH32PC | EWR-M5 Phase Shift Resistivity, 2 MHz, 32 in., Borehole Corrected (Ω.m) | 
| RH40PC | EWR-M5 Phase Shift Resistivity, 2 MHz, 40 in., Borehole Corrected (Ω.m) | 
| RH48PC | EWR-M5 Phase Shift Resistivity, 2 MHz, 48 in., Borehole Corrected (Ω.m) | 
| VELP | Compressional Velocity (computed from XBCS; km/s) | 
| VELS | Shear Velocity (computed from XRSS; km/s) | 
| XBCS | XBAT Compressional Slowness (μs/ft) | 
| XBEDA | XCAL Ellipse Average Diameter (in) | 
| XBEDN | XCAL Minimum Ellipse Diameter (in) | 
| XBEDX | XCAL Maximum Ellipse Diameter (in) | 
| XRSS | XBAT Shear Slowness (μs/ft) | 
ACRONYMS AND UNITS USED FOR WIRELINE SLB LOGS
| 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 | FMI Caliper 1 (in) | 
| C2 | FMI Caliper 2 (in) | 
| CFTC | HGNS Far Thermal Count Rate (cps) | 
| CMFF | CMR Free Fluid (%) | 
| CMRP_3MS | CMR Porosity with T2 Value > 3 ms (%) | 
| CNTC | HGNS Near Thermal Count Rate (cps) | 
| CS | Cable Speed (m/hr) | 
| DEVI | Hole Deviation (degrees) | 
| DF | Drilling Force (lbf) | 
| DSOZ | TLD Standoff (in) | 
| DT1 | Shear Slowness - Lower Dipole (μs/ft) | 
| DT2 | Shear Slowness - Upper Dipole (μs/ft) | 
| DTCO | Compressional Slowness (μs/ft) | 
| ECGR | EDTC Environmentally Corrected Gamma Ray (API units) | 
| EHGR | EDTC Environmentally Corrected High Resolution Gamma Ray (API units) | 
| ETIM | Elapsed Time (sec) | 
| FINC | GPIT Magnetic Field Inclination (degrees) | 
| FNOR | GPIT Magnetic Field Total Moment (oersted) | 
| 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 | EDTC Gamma Ray (API units) | 
| HAZI | GPIT Hole Azimuth (degrees) | 
| HBHK | HNGS Borehole Potassium (%) | 
| HCAL | TLD Caliper Calibrated (in) | 
| HCGR | HNGS Computed Gamma Ray (API units) | 
| 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) | 
| HCFT | HGNS High Res. Far Detector Counts (cps) | 
| HCNT | HGNS High Res. Near Detector Counts (cps) | 
| HFK | HNGS Formation Potassium (%) | 
| HNPO | HGNS High Res. Enhanced Thetrmal Neutron Porosity (%) | 
| HPRA | TLD Formation Photoelectric Factor Correction (barns/e-) | 
| HGR | EDTC High Resolution Gamma Ray (API units) | 
| HSGR | HNGS Standard (total) Gamma Ray (API units) | 
| HTHO | HNGS Thorium (ppm) | 
| HTNP | HGNS High Res. Thetrmal Neutron Porosity (Ratio Method; %) | 
| HURA | HNGS Uranium (ppm) | 
| KSDR | CMR SDR Peremability (mD) | 
| KTIM | CMR Permeability (mD) | 
| NPHI | HGNS Thermal Neutron Porosity (original Ratio Method) in Selected Lithology (%) | 
| NPOR | HGNS Enhanced Thermal Neutron Porosity (%) | 
| P1AZ | GPIT Pad 1 Azimuth (degrees) | 
| PEFZ | TLD Formation Photoelectric Factor (barns/e-) | 
| RB | FMI Pad 1 Relative Bearing (degrees) | 
| RHOZ | TLD Formation 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) | 
| TCMR | CMR Porosity (%) | 
| TENS | Tension (lb) | 
| TNPH | HGNS Thetrmal Neutron Porosity (Ratio Method; %) | 
| TNRA | HGNS Thermal Neutron Ratio | 
| TNPH | HGNS Thetrmal Neutron Porosity (Ratio Method; %) | 
| TNRA | HGNS Thermal Neutron Ratio | 
| T2LM | CMR Logarithmic Mean (ms) | 
| VELP | Compressional Velocity (rocessed from SonicScanner waveforms; km/s) | 
| VELS | Shear Velocity (computed from SonicScanner waveforms; km/s) | 
| VLST | Stoneley Velocity (computed from SonicScanner waveforms; km/s) | 
| Any missing SLB acronyms could be found at SLB's Curve Mnemonic Dictionary |