DEEP SEA DRILLING PROJECT

ACRONYMS USED FOR WIRELINE SCHLUMBERGER TOOLS

 

BHC

Borehole Compensated Sonic Tool

CNL

Compensated Neutron Log

DIL

Dual Induction Log

DLL

Dual Laterolog

EL

Electrical Log (Normal 16", Normal 64", Lateral 18'8")

FDC

Formation Density Compensated Tool

GGD

Gamma-Gamma Density Tool

GNT

Gamma-Neutron Tool

GR

Natural Gamma Ray Tool

HRT

High Resolution Temperature Log

IEL

Induction Electrical Log (Normal 16", R6FF40)

ISF

Induction Spherically Focused Tool

LL3

Laterolog 3

LL8

Laterolog 8

LSS

Long Spacing Sonic Tool

MCD

Mechanical Caliper Device

NGT

Natural Gamma Ray Spectrometry Tool

SP

Spontaneous Potential

 

 

ACRONYMS USED FOR WIRELINE GEARHART-OWEN TOOLS

 

BHC

Borehole Compensated Sonic Tool

CL

Caliper Log

CDL

Compensated Density Log

GR

Natural Gamma Ray Tool

IEL

Induction Electrical Log (Normal 16", R6FF40)

LL3

Laterolog 3

NL

Neutron Log

TEMP

Temperature Tool

 

 

ACRONYMS USED FOR WIRELINE DRESSER ATLAS TOOLS

 

AL

Acoustic Log

CL

Caliper Log

EL

Electrical Log (Normal 16", Normal 64", Lateral 18'8")

SP

Spontaneous Potential

 

 

ACRONYMS USED FOR WIRELINE WELEX TOOLS

 

EL

Electrical Log (Normal 16", Normal 64", Lateral 18'8)

SP

Spontaneous Potential

 

OTHER TOOLS

 

MAGN

Russian Magnetometer/Susceptibility Tool

 

 

ACRONYMS AND UNITS USED FOR DATA CHANNELS

 

ASN

EL Amplified Short Normal (ohmm)

CALI

CL/MCD Caliper (in)

CGR

NGT Computed (Th+K) Gamma Ray (API units)

CILD

IEL Deep Induction Conductivity (mmho/m). Used for the conductivity from the IEL tool (mmho/m)

COND

LL3/LL8 Conductivity (mmho/m). Used for LL3 and LL8 conductivity, as Geoframe does not support names such as CLL3 and CLL8 (mmho/m)

CS

Cable Speed (m/hr)

DIFF

Mean-Median Difference, computed (microsec/ft)

DRHO

CDL/FDC Bulk Density Correction (g/cm3)

DT

BHC/AL Transit Time in BHC (microsec/ft)

DT

LSS Short Spacing Transit Time (10'-8' spacing; microsec/ft)

DTL

LSS Long Spacing Transit Time (12'-10' spacing; microsec/ft)

ETIM

Elapsed Time (s)

GR

GR/GNT Natural Gamma Ray (API units)

GRAD

Temperature Gradient (mK/m)

HX

MAGN X-component of the magnetic field (γ or nT)

HY

MAGN Y-component of the magnetic field (γ or nT)

IL

IEL Induction Resistivity from IEL tool (ohmm)

ILD

DIL Deep Resistivity (ohmm)

ILM

DIL Medium Resistivity (ohmm)

LL3

LL3 Laterolog (ohmm)

LL8

LL8 Laterolog (ohmm)

LLD

DLL Laterolog Deep (ohmm). Sometimes used instead of LL3.

LLS

DLL Laterolog Shallow (ohmm)

MEAN

Mean Transit Time, computed (microsec/ft)

MEDIAN

Median Transit Time, computed (microsec/ft)

NPHI

CNLNeutron Porosity (%)

PEF

CDL Photoelectric Effect (barns/e-)

POINTS

Number of Transmitter-Receiver Pairs Used in the Sonic processing

POTA

NGT Potassium (wet wt. %)

RIL

IEL Induction Resistivity from IEL tool (alternate name for IL; ohmm)

RHOB

CDL/FDC Bulk Density (g/cm3)

RNEU

GNT/NL Raw Neutron (API units)

RRHO

GGD Raw Density (cps)

SFLU

DIL /ISF Spherically Focused Log (ohmm)

SGR

NGT Standard (Total) Gamma Ray (API units)

SN

IEL Short Normal (ohmm)

SP

SP Spontaneous Potential (mV)

SUSC

MAGN Magnetic Susceptibility (x 4π x 10-6 SI)

TEMP

HRT/TEMP Temperature (degC)

TENS

Tension (lb)

THOR

NGT Thorium (ppm)

TT1

LSS Transit Time (10' spacing; microsec)

TT2

LSS Transit Time (8' spacing; microsec

TT3

LSS Transit Time (12' spacing; microsec)

TT4

LSS Transit Time (10' spacing; microsec)

URAN

NGT Uranium (ppm)

VP

BHC/AL Compressional Wave Velocity (km/s), computed from DT

VP1

Compressional Wave Velocity (LSS Short Spacing or Mean Transit Time; km/s)

VP2

Compressional Wave Velocity (LSS Long Spacing or Median Transit Time; km/s)

Z

MAGN Vertical component of the magnetic field (γ or nT)