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 16Ó, Normal 64Ó, Lateral 18Õ8Ó)

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 16Ó, 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 16Ó, 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 16Ó, Normal 64Ó, Lateral 18Õ8Ó)

SP

Spontaneous Potential

 

 

ACRONYMS USED FOR WIRELINE WELEX TOOLS

 

EL

Electrical Log (Normal 16Ó, Normal 64Ó, Lateral 18Õ8Ó)

SP

Spontaneous Potential

 

OTHER TOOLS

 

MAGN

Russian Magnetometer/Susceptibility Tool

 

 

ACRONYMS AND UNITS USED FOR DATA CHANNELS

 

ASN

Amplified Short Normal (ohmm)

CALI

Caliper (in)

CGR

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

CILD

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

COND

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 (microsec/ft)

DRHO

Bulk Density Correction (g/cm3)

DT

Transit Time in BHC (microsec/ft)

DT

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

DTL

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

ETIM

Elapsed Time (s)

GR

Natural Gamma Ray (API units)

GRAD

Temperature Gradient (mK/m)

HX

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

HY

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

IL

Induction Resistivity from IEL tool (ohmm)

ILD

Deep Resistivity (ohmm)

ILM

Medium Resistivity (ohmm)

LL3

Laterolog 3 (ohmm)

LL8

Laterolog 8 (ohmm)

LLD

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

LLS

Laterolog Shallow (ohmm)

MEAN

Mean Transit Time Recomputed (microsec/ft)

MEDIAN

Median Transit Time Recomputed (microsec/ft)

NPHI

Neutron Porosity (%)

PEF

Photoelectric Effect (barns/e-)

POINTS

Number of Transmitter-Receiver Pairs Used in the Processing

POTA

Potassium (wet wt. %)

RIL

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

RHOB

Bulk Density (g/cm3)

RNEU

Raw Neutron (API units)

RRHO

Raw Density (cps)

SFLU

Spherically Focused Log (ohmm)

SGR

Spectroscopy Gamma Ray (API units)

SN

Short Normal (ohmm)

SP

Spontaneous Potential (mV)

SUSC

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

TEMP

Temperature (degC)

TENS

Tension (lb)

THOR

Thorium (ppm)

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)

VP

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

VP1

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

VP2

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

Z

Vertical component of the magnetic field (γ or nT)