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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 - B
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
MCD
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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
ECO
EcoScope Tool
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GVR
geoVISION
SONIC
sonicVISION Tool
MWD
Measurement-While Drilling Tool
NMR
proVision Tool
RAB
Resistivity-at-the-Bit Tool
TELE
TeleScope Tool
ACRONYMS USED FOR NON-SCHLUMBERGER SPECIALTY TOOLS
MGT
Multisensor Gamma Tool
MSS
Magnetic Susceptibility Sonde
MTT
Modular Temperature Tool
TAP
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Temperature-Acceleration-Pressure Tool
ACRONYMS USED FOR THIRD PARTY TOOLS
MAGN-GBM
Borehole 3-axis Magnetometer (Univ. of Goettingen)
DEPTH SCALE TERMINOLOGY
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 SCALELRF LWD depth below rig floor (m LRF)
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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 SCALEMSL Mud depth below sea level (m MSL)
SEISMIC DEPTH SCALE
SSF
Seismic depth scale (m SSF)
ACRONYMS AND UNITS USED FOR WIRELINE SCHLUMBERGER LOGS
AF10
QAIT Induction - 10in investigation depth (ohmm)
AF20
QAIT Induction - 20in investigation depth (ohmm)
AF30
QAIT Induction - 30in investigation depth (ohmm)
AF60
QAIT Induction - 60in investigation depth (ohmm)
AF90
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QAIT Induction - 90in investigation depth (ohmm)
AFEC
APS Far Detector Counts (cps)
APLC
APS Near/Array Limestone Porosity Corrected (%)
ANEC
APS Near Detector Counts (cps)
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)
C1
FMS Caliper 1 (in)
C2
FMS Caliper 2 (in)
CALI
HLDS/MCD Caliper (in)
CS
Cable Speed (m/hr)
DEVI
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GPIT Hole Deviation (degrees)
DF
Drilling Force (lbf)
DRH
Bulk Density Correction (g/cm3)
DT1
DSI Delta-Time Shear, Lower Dipole (microsec/ft)
DT1R
DSI Delta- Time Shear, Receiver Array, Lower Dipole (microsec/ft)
DT1T
DSI Delta-Time Shear, Transmitter Array, Lower Dipole (microsec/ft)
DT2
DSI Delta-Time Shear, Upper Dipole (microsec/ft)
DT2R
DSI Delta- Time Shear, Receiver Array, Upper Dipole (microsec/ft)
DT2T
DSI Delta-Time Shear, Transmitter Array, Upper Dipole (microsec/ft)
DT4P
DSI Delta-Time Compressional, P&S (microsec/ft)
DT4S
DSI Delta-Time Shear, P&S (microsec/ft)
DT5
DSI Delta-Time Compressional (microsec/ft), First Detection Mode
DTCO
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DSI Delta-Time Compressional (microsec/ft)
DTRP
DSI Delta-Time Compressional, Receiver Array, P&S (microsec/ft)
DTRS
DSI Delta-Time Shear, Receiver Array, P&S (microsec/ft)
DTSM
DSI Delta-Time Shear (microsec/ft)
DTST
DSI Delta-Time Stoneley (microsec/ft)
DTTP
DSI Delta-Time Compressional, Transmitter Array, P&S (microsec/ft)
DTTS
DSI Delta-Time Shear, Transmitter Array, P&S (microsec/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 (degrees)
FNOR
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GPIT Magnetic Field Total Moment (oersted)
FPLC
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
SGTE/EDTC-B 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 (%)
HCGR
HNGS Computed Gamma Ray (API units)
HDEB
HLDS High Res. Enhanced Bulk Density (g/cm3)
HFEC
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APS High Res. Far Detector Counts (cps)
HFK
HNGS Formation Potassium (%)
HFLC
APS High Res. Near/Far Limestone Porosity Corrected (%)
HGR
SGTE/EDTC-B High Resolution Gamma Ray (API units)
HLCA
HLDS High Res. Caliper (in )
HLEF
HLDS High Res. Long-spaced Photoelectric Effect (barns/e-)
HNEC
HLDS High Res. Near Detector Counts (cps)
HRHL
HLDS High Res. Long-spaced Bulk Density (g/cm3)
HRHS
HLDS High Res. Short-spaced 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
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HNGS High Res. Computed Standoff (in)
HTHO
HNGS Thorium (ppm)
HURA
HNGS Uranium (ppm)
IDPH
DIT Phasor Deep Induction (ohmm)
IMPH
DIT Phasor Medium Induction (ohmm)
LCAL
DIT Caliper (in)
LLD
DLL Laterolog Deep (ohmm)
LLS
DLL Laterolog Shallow (ohmm)
NRHB
HLDS Bulk Density (g/cm3)
P1AZ
GPIT Pad 1 Azimuth (degrees)
PEFL
HLDS Long-spaced Photoelectric Effect (barns/e-)
RADIUS_25
UBI Lower quartile value of the borehole radius distribution (in)
RADIUS_75
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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 (degrees)
RCAV
UBI Corrected Radius Average Value (in)
RCMN
UBI Corrected Radius Minimum Value (in)
RCMX
UBI Corrected Radius Maximum Value (in)REMS
Mud Resistivity (ohmm)
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 (ohmm)
RLA2
HRLA Apparent Resistivity from Computed Focusing Mode 2 (ohmm)
RLA3
HRLA Apparent Resistivity from Computed Focusing Mode 3 (ohmm)
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RLA4
HRLA Apparent Resistivity from Computed Focusing Mode 4 (ohmm)
RLA5
HRLA Apparent Resistivity from Computed Focusing Mode 5 (ohmm)
RM_HRLT
HRLA Computed Mud Resistivity (ohmm)
RT_HRLT
HRLA True Formation Resistivity (ohmm)
SFLU
DIT Spherically Focused Log (ohmm)
SIGF
APS Formation Capture Cross Section (capture units)
SP
SP Spontaneous Potential (mV)
STOF
APS Computed Standoff (in)
TENS
Tension (lb)
TMP
Mud Temperature (degC)
V4P
DSI Compressional Velocity, from DT4P (P&S; km/s)
V4S
DSI Shear Velocity, from DT4S (P&S; km/s)
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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)
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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. (ohmm)
A22B
ARC/ECO Attenuation Resistivity Blended, 22 in. (ohmm)
A28B
ARC/ECO Attenuation Resistivity Blended, 28 in. (ohmm)
A34B
ARC/ECO Attenuation Resistivity Blended, 34 in. (ohmm)
A40B
ARC/ECO Attenuation Resistivity Blended, 40 in. (ohmm)
A16H
ARC/ECO Attenuation Resistivity, 2 MHz, 16 in. (ohmm)
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A22H
ARC/ECO Attenuation Resistivity, 2 MHz, 22 in. (ohmm)
A28H
ARC/ECO Attenuation Resistivity, 2 MHz, 28 in. (ohmm)
A34H
ARC/ECO Attenuation Resistivity, 2 MHz, 34 in. (ohmm)
A40H
ARC/ECO Attenuation Resistivity, 2 MHz, 40 in. (ohmm)
A16L
ARC/ECO Attenuation Resistivity, 400 KHz, 16 in. (ohmm)
A22L
ARC/ECO Attenuation Resistivity, 400 KHz, 22 in. (ohmm)
A28L
ARC/ECO Attenuation Resistivity, 400 KHz, 28 in. (ohmm)
A34L
ARC/ECO Attenuation Resistivity, 400 KHz, 34 in. (ohmm)
A40L
ARC/ECO Attenuation Resistivity, 400 KHz, 40 in. (ohmm)
AGTM
ARC/ECO Gamma Ray Time After Bit (s)
APRS
ARC Annulus Pressure (psi)
ARTM
ARC/ECO Resistivity Time After Bit (s)
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ATMP
ARC Annulus 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 (ohmm)
BFV
NMR Bound Fluid Volume (%)
BMAV
GVR Medium Resistivity Average (ohmm)
BPHI
ECO Best Thermal Neutron Porosity, Average (%)
BSAV
GVR Shallow Resistivity Average (ohmm)
DCAL
ADN/ECODifferential Caliper (in)
DHAP
ECO Downhole Annulus Pressure (psi)
DHAT
ECO Downhole Annulus Temperature (degC)
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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 (microsec/ft)
DTCU
SONIC Compressional Delta Time, computed uphole (microsec/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)
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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 (microsec)
MRP
NMR Magnetic Resonance Porosity
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NTAB
ADN Neutron Time after Bit (hr)
P16B
ARC/ECO Phase Shift Resistivity Blended, 16 in. (ohmm)
P22B
ARC/ECO Phase Shift Resistivity Blended, 22 in. (ohmm)
P28B
ARC/ECO Phase Shift Resistivity Blended, 28 in. (ohmm)
P34B
ARC/ECO Phase Shift Resistivity Blended, 34 in. (ohmm)
P40B
ARC/ECO Phase Shift Resistivity Blended, 40 in. (ohmm)
P16H
ARC/ECO Phase Shift Resistivity, 2 MHz, 16 in (ohmm)
P22H
ARC/ECO Phase Shift Resistivity, 2 MHz, 22 in (ohmm)
P28H
ARC/ECO Phase Shift Resistivity, 2 MHz, 28 in (ohmm)
P34H
ARC/ECO Phase Shift Resistivity, 2 MHz, 34 in (ohmm)
P40H
ARC/ECO Phase Shift Resistivity, 2 MHz, 40 in (ohmm)
P16L
ARC/ECO Phase Shift Resistivity, 400 KHz, 16 in (ohmm)
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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 (%)
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
AZ
MSS Axial Acceleration (m/s2; MSS tool)
HSUS
MSS High Resolution Single Coil Susceptibility (SI; MSS tool)
LCON
MSS Dual Coil Conductivity (S/m; MSS tool)
DSUS
MSS Deep Dual Coil Susceptibility (SI; MSS tool)
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TEMP
MSS Internal Tool Temperature (degC; MSS tool)
WTEP
MSS Well Temperature(degC; MSS tool)
ZACC
MSS Vertical Acceleration (m/s2; MSS tool)