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

3-axis Magnetometer (Bundesanstalt fur Geowissenschaften und Rohstoffe)

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

Magnetic Field Inclination (degrees)

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

Standard (total) Gamma Ray (API units)

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

Pad 1 Azimuth (degrees)

PEF

Photoelectric Effect (barns/e-)

PEFL

Long-spacing Photoelectric Effect (barns/e-)

PIR

Porosity Indicator Ratio [CHY/(CCA+CSI)]

POTA

Potassium (%)

RB

Pad 1 Relative Bearing (degrees)

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

Shear Velocity, from DTSM (km/s)

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) from rotational processing

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