Ocean Drilling Program - Acronyms Used for Schlumberger Tools
ACT	Aluminum Clay Tool
BHC	Borehole Compensated Sonic Tool
CNT	Compensated Neutron Tool
DIT	Dual Induction Tool
DLL	Dual Laterolog
FMS	Formation Microscanner
GPIT	General  Purpose Inclinometer Tool
GR	Natural Gamma Ray
GST	Induced Gamma Ray Spectrometry Tool
HLDT	High Temperature Lithodensity Tool
LSS	Long Spacing Sonic Tool
MCD	Mechanical Caliper Tool
NGT	Natural Gamma Ray Spectrometry Tool
SDT	Digital Sonic Tool
SP	Spontaneous Potential

Ocean Drilling Program - Acronyms Used for LDGO-BRG Specialty Tools
BHTV	Borehole Televiewer
MCS	Multichannel Sonic Tool
TLT	Temperature Logging Tool

Deep Sea Drilling Project - Acronyms Used for the Logs

BHC	Borehole Compensated Sonic Tool
CAL	Caliper
CDL	Compensated Density Log
CNL	Compensated Neutron Log
DDBHC	Depth-Derived Borehole Compensated Sonic Tool
DIL	Dual Induction Log
DL	Density Log
DLL	Dual Laterolog
FDC	Formation Density Compensated Tool
GR	Natural Gamma Ray
HRT	High Resolution Temperature Tool
IL		Induction Log
LL	Laterolog
LDT	Lithodensity Tool
LL3	Laterolog 3
LL8	Laterolog 8
LSS	Long Spacing Sonic Tool
NGT	Natural Gamma Ray Spectrometry Tool
NL	Neutron Log
SP	Spontaneous Potential
SWF	Sonic Waveforms
TEMP	Temperature Log
VDL	Variable Density Log