INTEGRATED OCEAN DRILLING PROGRAM
ACRONYMS USED FOR WIRELINE SCHLUMBERGER TOOLS
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 |
ACRONYMS USED FOR LWD SCHLUMBERGER TOOLS
ADN |
adnVISION Tool |
ARC |
arcVISION Tool |
GVR |
geoVISION |
MWD |
Measurement-While Drilling |
NMR |
proVision Tool (Nuclear Magnetic Resonance) |
RAB |
Resistivity-at-the-Bit |
ACRONYMS USED FOR NON-SCHLUMBERGER SPECIALTY TOOLS
MGT |
Multisensor Gamma Tool |
MSS |
Magnetic Susceptibility Sonde |
MTT |
Modular Temperature Tool |
TAP |
Temperature-Acceleration-Pressure Tool |
ACRONYMS USED FOR THIRD PARTY TOOLS
MAGN-GBM |
Borehole 3-axis Magnetometer (Univ. of Goettingen) |
DEPTH SCALE TERMINOLOGY
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DRILLING DEPTH SCALE |
DRF |
Drilling depth below rig floor (m DRF) |
DSF |
Drilling depth below sea floor (m DSF) |
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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) |
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LOGGING WHILE DRILLING DEPTH SCALE |
LRF |
LWD depth below rig floor (m LRF) |
LSF |
LWD depth below sea floor (m LSF) |
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CORE DEPTH SCALE |
CSF |
Core depth below rig floor (m CSF) |
CCSF |
Core composite depth below sea floor (m CCSF) |
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MUD DEPTH SCALE |
MSL |
Mud depth below sea level (m MSL) |
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SEISMIC DEPTH SCALE |
SSF |
Seismic depth scale (m SSF) |
ACRONYMS AND UNITS USED FOR WIRELINE SCHLUMBERGER LOGS
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 (ft/s2) |
AY |
GPIT Acceleration Y Axis (ft/s2) |
AZ |
GPIT Acceleration Z Axis (ft/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) |
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) |
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) |
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) |
ACRONYMS AND UNITS USED FOR LWD/MWD SCHLUMBERGER LOGS
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) |
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) |
RPM |
ADN/ARC/ECO/GVRTool Rotation Speed (rpm) |
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) |
ACRONYMS AND UNITS USED FOR SPECIALTY LOGS
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) |