OCEAN DRILLING
PROGRAM
ACRONYMS USED FOR
WIRELINE SCHLUMBERGER TOOLS
ACT |
Aluminum Clay Tool |
AMS |
Auxiliary Measurement Sonde |
APS |
Accelerator Porosity Sonde |
ARI |
Azimuthal Resistivity Imager |
ASI |
Array Seismic Imager |
BGKT |
Vertical Seismic Profile Tool |
BHC |
Borehole Compensated Sonic Tool |
BHTV |
Borehole Televiewer |
CBL |
Casing Bond Log |
CNL |
Compensated Neutron Log |
CNT |
Compensated Neutron Tool |
DIT |
Dual Induction Tool |
DLL |
Dual Laterolog |
DSI |
Dipole Sonic Imager |
FMS |
Formation MicroScanner |
GHMT |
Geologic High Resolution Magnetic Tool |
GPIT |
General Purpose Inclinometry Tool |
GR |
Natural Gamma Ray |
GST |
Induced Gamma Ray Spectrometry Tool |
HLDS |
Hostile Environment Lithodensity Sonde |
HLDT |
Hostile Environment Lithodensity Tool |
HNGS |
Hostile Environment Gamma Ray Sonde |
LDT |
Lithodensity Tool |
LSS |
Long Spacing Sonic Tool |
MCD |
Mechanical Caliper Device |
NGT |
Natural Gamma Ray Spectrometry Tool |
NMRS |
Nuclear Magnetic Resonance Sonde |
QSST |
Inline Checkshot Tool |
SDT |
Sonic Digital Tool |
SGT |
Scintillation Gamma Ray Tool |
SUMT |
Susceptibility Magnetic Tool |
UBI |
Ultrasonic Borehole Imager |
VSI |
Versatile Seismic Imager |
WST |
Well Seismic Tool |
WST-3 |
3-Component Well Seismic Tool |
OCEAN DRILLING
PROGRAM
ACRONYMS USED FOR LWD SCHLUMBERGER TOOLS
ADN |
Azimuthal Density-Neutron Tool |
CDN |
Compensated Density-Neutron Tool |
CDR |
Compensated Dual Resistivity Tool |
ISONIC
|
Ideal Sonic-While-Drilling Tool |
MWD |
Measuremnt-While_drilling Tool |
NMR |
Nuclear Magnetic Resonance Tool |
RAB |
Resistivity-at-the-Bit Tool |
OCEAN DRILLING
PROGRAM
ACRONYMS USED FOR NON-SCHLUMBERGER SPECIALTY TOOLS
TAP |
Temperature-Acceleration-Pressure Tool (LDEO-BRG) |
TLT |
Temperature Logging Tool (LDEO-BRG) |
OCEAN DRILLING
PROGRAM
ACRONYMS USED FOR THIRD PARTY TOOLS
CBTT |
Core Barrel Temperature Tool (LDEO-BRG) |
HTGC
|
High-Temperature High Pressure Telemetry Gamma-Ray Cartridge (LDEO-BRG)
|
LSR |
Large Scale Resistivity Tool (Univ. of Miami) |
MAGN-BGR |
|
MAGN-GBM |
3-axis Magnetometer (Univ. of Goettingen) |
MAGN-JAPEX |
3-axis Magnetometer (JAPEX) |
MAGN-USGS
|
3-axis Magnetometer (USGS)
|
MAGN-UW |
3-axis Magnetometer (University of Washington) |
MCS |
Multichannel Sonic Tool (LDEO-BRG) |
MGT
|
Multisensor Gamma Tool (LDEO-BRG)
|
SST |
Shear Sonic Tool (LDEO-BRG) |
SUSC-USGS
|
Magnetic Susceptibility Tool (USGS)
|
SUSC-UW
|
Magnetic Susceptibility Tool (University of Washington |
SUSLOG
|
Suslog 403D Magnetic Susceptibility Tool (Univ. of Munich) |
TEMP-BGR |
Temperature Tool (Bundesanstalt fur Geowissenschaften und Rohstoffe) |
TEMP-BRGM |
Temperature Tool (Bureau des Recherche Geologique et Minieres) |
TEMP-GRC |
High Temperature Tool (Univ. of Miami) |
TEMP-JAPEX
|
Temperature-Pressure-Flow Tool (JAPEX) |
TEMP-USGS |
Temperature Tool (USGS) |
UHT-MSM |
Ultra-High Temperature Multisensor Memory Tool (Univ. of Miami) |
VSP-WHOI |
3-axisVertical Seismic Profile (WHOI) |
OCEAN DRILLING
PROGRAM
ACRONYMS AND UNITS USED FOR WIRELINE SCHLUMBERGER LOGS
AFEC |
Far Detector Counts (cps) |
ANEC |
Near Detector Counts (cps) |
APLC |
Near/Array Limestone Porosity Corrected (%) |
AX |
Acceleration X Axis (ft/s2) |
AY |
Acceleration Y Axis (ft/s2) |
AZ |
Acceleration Z Axis (ft/s2) |
AZIM |
Constant Azimuth for Deviation Correction (deg) |
C1 |
FMS Caliper 1 (in) |
C2 |
FMS Caliper 2 (in) |
CALI |
Caliper (in) |
CFEC |
Corrected Far Epithermal Counts (cps) |
CFTC |
Corrected Far Thermal Counts (cps) |
CGR |
Computed (Th+K) Gamma Ray (API units) |
CNEC |
Corrected Near Epithermal Counts (cps) |
CNTC |
Corrected Near Thermal Counts (cps) |
CS |
Cable Speed (m/hr) |
DEVI |
Hole Deviation (degrees) |
DF |
Drilling Force (lbf) |
DIFF |
Difference Between MEAN and MEDIAN in Delta-Time Proc. (microsec/ft) |
DRH |
Bulk Density Correction (g/cm3) |
DRHO |
Bulk Density Correction (g/cm3) |
DT |
Short Spacing Delta-Time (10'-8' spacing; microsec/ft) |
DT1 |
Delta-Time Shear, Lower Dipole (microsec/ft) |
DT2 |
Delta-Time Shear, Upper Dipole (microsec/ft) |
DT4P |
Delta- Time Compressional, P&S (microsec/ft) |
DT4S |
Delta- Time Shear, P&S (microsec/ft) |
DT1R |
Delta- Time Shear, Receiver Array, Lower Dipole (microsec/ft) |
DT2R |
Delta- Time Shear, Receiver Array, Upper Dipole (microsec/ft) |
DT1T |
Delta-Time Shear, Transmitter Array, Lower Dipole (microsec/ft) |
DT2T |
Delta-Time Shear, Transmitter Array, Upper Dipole (microsec/ft) |
DTCO |
Delta- Time Compressional (microsec/ft) |
DTL |
Long Spacing Delta-Time (12'-10' spacing; microsec/ft) |
DTLF |
Long Spacing Delta-Time (12'-10' spacing; microsec/ft) |
DTLN |
Short Spacing Delta-Time (10'-8' spacing; microsec/ft |
DTRP |
Delta-Time Compressional, Receiver Array, P&S (microsec/ft) |
DTRS |
Delta-Time Shear, Receiver Array, P&S (microsec/ft) |
DTSM |
Delta-Time Shear (microsec/ft) |
DTST |
Delta-Time Stoneley (microsec/ft) |
DTTP |
Delta-Time Compressional, Transmitter Array, P&S (microsec/ft) |
DTTS |
Delta-Time Shear, Transmitter Array, P&S (microsec/ft) |
ECGR |
Environmentally Corrected Gamma Ray (API units) |
EHGR |
Environmentally Corrected High Resolution Gamma Ray (API units) |
ENPH |
Epithermal Neutron Porosity (%) |
ENRA |
Epithermal Neutron Ratio |
ETIM |
Elapsed Time (sec) |
FINC |
|
FNOR |
Magnetic Field Total Moment (oersted) |
FX |
Magnetic Field on X Axis (oersted) |
FY |
Magnetic Field on Y Axis (oersted) |
FZ |
Magnetic Field on Z Axis (oersted) |
GR |
Natural Gamma Ray (API units) |
HALC |
High Res. Near/Array Limestone Porosity Corrected (%) |
HAZI |
Hole Azimuth (degrees) |
HBDC |
High Res. Bulk Density Correction (g/cm3) |
HBHK |
Borehole Potassium (%) |
HCFT |
High Resolution Corrected Far Thermal Counts (cps) |
HCGR |
HNGS Computed Gamma Ray (API units) |
HCNT |
High Resolution Corrected Near Thermal Counts (cps) |
HDEB |
High Res. Enhanced Bulk Density (g/cm3) |
HDRH |
High Resolution Density Correction (g/cm3) |
HFEC |
High Res. Far Detector Counts (cps) |
HFK |
Formation Potassium (%) |
HFLC |
High Res. Near/Far Limestone Porosity Corrected (%) |
HLCA |
High Res. Caliper (in) |
HLEF |
High Res. Long-spacing Photoelectric Effect (barns/e-) |
HNEC |
High Res. Near Detector Counts (cps) |
HNPO |
High Resolution Enhanced Thermal Nutron Porosity (%) |
HNRH |
High Resolution Bulk Density (g/cm3) |
HPEF |
High Resolution Photoelectric Effect (barns/e-) |
HRHO |
High Resolution Bulk Density (g/cm3) |
HROM |
High Res. Corrected Bulk Density (g/cm3) |
HSGR |
|
HSIG |
High Res. Formation Capture Cross Section (capture units) |
HSTO |
High Res. Computed Standoff (in) |
HTHO |
Thorium (ppm) |
HTNP |
High Resolution Thermal Neutron Porosity (%) |
HURA |
Uranium (ppm) |
IDPH |
Phasor Deep Induction (ohmm) |
IIR |
Iron Indicator Ratio [CFE/(CCA+CSI)] |
ILD |
Deep Resistivity (ohmm) |
ILM |
Medium Resistivity (ohmm) |
IMPH |
Phasor Medium Induction (ohmm) |
ITT |
Integrated Transit Time (s) |
LCAL |
Caliper (in) |
LIR |
Lithology Indicator Ratio [CSI/(CCA+CSI)] |
LLD |
Laterolog Deep (ohmm) |
LLS |
Laterolog Shallow (ohmm) |
LTT1 |
Transit Time (10'; microsec) |
LTT2 |
Transit Time (8'; microsec) |
LTT3 |
Transit Time (12'; microsec) |
LTT4 |
Transit Time (10'; microsec) |
MAGB |
Earth's Magnetic Field (nTes) |
MAGC |
Earth Conductivity (ppm) |
MAGS |
Magnetic Susceptibility (ppm) |
MEDIAN |
Median Delta-T Recomputed (microsec/ft) |
MEAN |
Mean Delta-T Recomputed (microsec/ft) |
NMST |
Magnetometer Temperature (degC) |
NMSV |
Magnetometer Signal Level (V) |
NPHI |
Neutron Porosity (%) |
NRHB |
Enhanced Bulk Density (g/cm3) |
P1AZ |
|
PEF |
Photoelectric Effect (barns/e-) |
PEFL |
Long-spacing Photoelectric Effect (barns/e-) |
PIR |
|
POTA |
|
RB |
|
RHL |
Long-spacing Bulk Density (g/cm3) |
RHOB |
Bulk Density (g/cm3) |
RHOM |
Corrected Bulk Density (g/cm3) |
RMGS |
Low Resolution Susceptibility (ppm) |
SFLU |
Spherically Focused Log (ohmm) |
SGR |
Total Gamma Ray (API units) |
SIGF |
Formation Capture Cross Section (capture units) |
SP |
Spontaneous Potential (mV) |
STOF |
Computed Standoff (in) |
SURT |
Receiver Coil Temperature (degC) |
SVEL |
Shear Velocity (km/s) |
SXRT |
Differential Temperature (degC) |
TENS |
Tension (lb) |
THOR |
Thorium (ppm) |
TNRA |
Thermal Neutron Ratio |
TT1 |
Transit Time (10' spacing; microsec) |
TT2 |
Transit Time (8' spacing; microsec) |
TT3 |
Transit Time (12' spacing; microsec) |
TT4 |
Transit Time (10' spacing; microsec) |
URAN |
Uranium (ppm) |
V4P |
Compressional Velocity, from DT4P (P&S; km/s) |
V4S |
Shear Velocity, from DT4S (P&S; km/s) |
VELP |
Compressional Velocity (processed from waveforms; km/s) |
VELS |
Shear Velocity (processed from waveforms; km/s) |
VP1 |
Compressional Velocity, from DT, DTLN, or MEAN (km/s) |
VP2 |
Compressional Velocity, from DTL, DTLF, or MEDIAN (km/s) |
VCO |
Compressional Velocity, from DTCO (km/s) |
VS |
|
VST |
Stonely Velocity, from DTST (km/s) |
VS1 |
Shear Velocity, from DT1 (Lower Dipole; km/s) |
VS2 |
Shear Velocity, from DT2 (Upper Dipole; km/s) |
VRP |
Compressional Velocity, from DTRP (Receiver Array, P&S; km/s) |
VRS |
Shear Velocity, from DTRS (Receiver Array, P&S; km/s) |
VS1R |
Shear Velocity, from DT1R (Receiver Array, Lower Dipole; km/s) |
VS2R |
Shear Velocity, from DT2R (Receiver Array, Upper Dipole; km/s) |
VS1T |
Shear Velocity, from DT1T (Transmitter Array, Lower Dipole; km/s) |
VS2T |
Shear Velocity, from DT2T (Transmitter Array, Upper Dipole; km/s) |
VTP |
Compressional Velocity, from DTTP (Transmitter Array, P&S; km/s) |
VTS |
Shear Velocity, from DTTS (Transmitter Array, P&S; km/s) |
#POINTS |
Number of Transmitter-Receiver Pairs Used in Sonic Processing |
W1NG |
Window 1 counts (cps) |
W2NG |
Window 2 counts (cps) |
W3NG |
Window 3 counts (cps) |
W4NG |
Window 4 counts (cps) |
W5NG |
Window 5 counts (cps) |
OCEAN DRILLING
PROGRAM
ACRONYMS AND UNITS USED FOR LWD SCHLUMBERGER LOGS
ARPM |
Tool Rotation Speed (rpm) |
AT1F |
Attenuation Resistivity (1 ft resolution; ohmm) |
AT2F |
Attenuation Resistivity (2 ft resolution; ohmm) |
AT3F |
Attenuation Resistivity (3 ft resolution; ohmm) |
AT4F |
Attenuation Resistivity (4 ft resolution; ohmm) |
AT5F |
Attenuation Resistivity (5 ft resolution; ohmm) |
ATR |
Attenuation Resistivity (deep; ohmm) |
B1TM |
Shallow Resistivity Time after Bit (s) |
B2TM |
Medium Resistivity Time after Bit (s) |
B3TM |
Deep Resistivity Time after Bit (s) |
BDAV |
Deep Resistivity Average (ohmm) |
BFV |
Bound Fluid Volume (%) |
BMAV |
Medium Resistivity Average (ohmm) |
BSAV |
Shallow Resistivity Average (ohmm) |
CGR |
Computed (Th+K) Gamma Ray (API units) |
DCAL |
Differential Caliper (in) |
DROR |
Correction for CDN rotational density (g/cm3). |
DRRT |
Correction for ADN rotational density (g/cm3). |
DTAB |
Density Time after Bit (hr) |
DTCO |
Compressional Delta Time, computed downhole (microsec/ft) |
DTCU |
Compressional Delta Time, computed uphole (microsec/ft) |
FFV |
Free Fluid Volume (%) |
GR |
Gamma Ray (API Units) |
GR7 |
Sum Gamma Ray Windows GRW7+GRW8+GRW9-Equivalent to Wireline NGT window 5 (cps) |
GRTK |
Gamma Ray Time after Bit (s) |
GRW3 |
Gamma Ray Window 3 counts (cps)-Equivalent to Wireline NGT window 1 |
GRW4 |
Gamma Ray Window 4 counts (cps)-Equivalent to Wireline NGT window 2 |
GRW5 |
Gamma Ray Window 5 counts (cps)-Equivalent to Wireline NGT window 3 |
GRW6 |
Gamma Ray Window 6 counts (cps)-Equivalent to Wireline NGT window 4 |
GRW7 |
Gamma Ray Window 7 counts (cps) |
GRW8 |
Gamma Ray Window 8 counts (cps) |
GRW9 |
Gamma Ray Window 9 counts (cps) |
GTIM |
Gamma Ray Time after Bit (s) |
HEF1 |
Far He Bank 1 counts (cps) |
HEF2 |
Far He Bank 2 counts (cps) |
HEF3 |
Far He Bank 3 counts (cps) |
HEF4 |
Far He Bank 4 counts (cps) |
HEN1 |
Near He Bank 1 counts (cps) |
HEN2 |
Near He Bank 2 counts (cps) |
HEN3 |
Near He Bank 3 counts (cps) |
HEN4 |
Near He Bank 4 counts (cps) |
ISTB |
Sonic Time after Bit (hr or min) |
ITT |
Integrated Transit Time (microsec) |
MRP |
Magnetic Resonance Porosity |
NTAB |
Neutron Time after Bit (hr) |
PEF |
Photoelectric Effect (barns/e-) |
POTA |
Potassium (%) ROPE Rate of Penetration (ft/hr) |
PS1F |
Phase Shift Resistivity (1 ft resolution; ohmm) |
PS2F |
Phase Shift Resistivity (2 ft resolution; ohmm) |
PS3F |
Phase Shift Resistivity (3 ft resolution; ohmm) |
PS4F |
Phase Shift Resistivity (4 ft resolution; ohmm) |
PS5F |
Phase Shift Resistivity (5 ft resolution; ohmm) |
PSR |
Phase Shift Resistivity (shallow; ohmm) |
RBIT |
Bit Resistivity (ohmm) |
RBTM |
Resistivity Time After Bit (s) |
RING |
Ring Resistivity (ohmm) |
ROMT |
Max. Density Total (g/cm3) |
ROP |
Rate of Penetration (m/hr) |
ROP1 |
Rate of Penetration, average over last 1 ft (m/hr). |
ROP5 |
Rate of Penetration, average over last 5 ft (m/hr) |
RPM |
Rotation Speed (rpm) |
RTIM |
Resistivity Time after Bit (hr) |
SGR |
Total Gamma Ray (API units) |
T2 |
T2 Distribution (%) |
T2LM |
T2 Logarithmic Mean (ms) |
THOR |
Thorium (ppm) |
TNPH |
Thermal Neutron Porosity (%) |
TNRA |
Thermal Ratio |
URAN |
Uranium (ppm) |
VCO |
Compressional Velocity, from DTCO (km/s) |
OCEAN DRILLING
PROGRAM
ADDITIONAL
ACRONYMS AND UNITS
(PROCESSED LOGS FROM GEOCHEMICAL TOOL STRING)
AL2O3 |
Computed Al2O3 (dry weight %) |
AL2O3MIN |
Computed Al2O3 Standard Deviation
(dry weight %) |
AL2O3MAX |
Computed Al2O3 Standard Deviation
(dry weight %) |
CAO |
Computed CaO (dry weight %) |
CAOMIN |
Computed CaO Standard Deviation (dry weight %) |
CAOMAX |
Computed CaO Standard Deviation (dry weight %) |
CACO3 |
Computed CaCO3 (dry weight %) |
CACO3MIN |
Computed CaCO3 Standard Deviation (dry weight
%) |
CACO3MAX |
Computed CaCO3 Standard Deviation (dry weight
%) |
CCA |
Calcium Yield (decimal fraction) |
CCHL |
Chlorine Yield (decimal fraction) |
CFE |
Iron Yield (decimal fraction) |
CGD |
Gadolinium Yield (decimal fraction) |
CHY |
Hydrogen Yield (decimal fraction) |
CK |
Potassium Yield (decimal fraction) |
CSI |
Silicon Yield (decimal fraction) |
CSIG |
Capture Cross Section (capture units) |
CSUL |
Sulfur Yield (decimal fraction) |
CTB |
Background Yield (decimal fraction) |
CTI |
Titanium Yield (decimal fraction) |
FACT |
Quality Control Curve |
FEO |
Computed FeO (dry weight %) |
FEOMIN |
Computed FeO Standard Deviation (dry weight %) |
FEOMAX |
Computed FeO Standard Deviation (dry weight %) |
FEO* |
Computed FeO* (dry weight %) |
FEO*MIN |
Computed FeO* Standard Deviation (dry weight %) |
FEO*MAX |
Computed FeO* Standard Deviation (dry weight %) |
FE2O3 |
Computed Fe2O3 (dry weight %) |
FE2O3MIN |
Computed Fe2O3 Standard Deviation
(dry weight %) |
FE2O3MAX |
Computed Fe2O3 Standard Deviation
(dry weight %) |
GD |
Computed Gadolinium (dry weight %) |
GDMIN |
Computed Gadolinium Standard Deviation (dry weight %) |
GDMAX |
Computed Gadolinium Standard Deviation (dry weight %) |
K2O |
Computed K2O (dry weight %) |
K2OMIN |
Computed K2O Standard Deviation (dry weight %) |
K2OMAX |
Computed K2O Standard Deviation (dry weight %) |
MGO |
Computed MgO (dry weight %) |
MGOMIN |
Computed MgO Standard Deviation (dry weight %) |
MGOMAX |
Computed MgO Standard Deviation (dry weight %) |
S |
Computed Sulfur (dry weight %) |
SMIN |
Computed Sulfur Standard Deviation (dry weight %) |
SMAX |
Computed Sulfur Standard Deviation (dry weight %) |
SIO2 |
Computed SiO2 (dry weight %) |
SIO2MIN |
Computed SiO2 Standard Deviation (dry weight %) |
SIO2MAX |
Computed SiO2 Standard Deviation (dry weight %) |
THORMIN |
Computed Thorium Standard Deviation (ppm) |
THORMAX |
Computed Thorium Standard Deviation (ppm) |
TIO2 |
Computed TiO2 (dry weight %) |
TIO2MIN |
Computed TiO2 Standard Deviation (dry weight %) |
TIO2MAX |
Computed TiO2 Standard Deviation (dry weight %) |
URANMIN |
Computed Uranium Standard Deviation (ppm) |
URANMAX |
Computed Uranium Standard Deviation (ppm) |
VARCA |
Variable CaCO3/CaO calcium carbonate/oxide
factor |