INTEGRATED OCEAN
DRILLING PROGRAM
ACRONYMS USED FOR LWD SCHLUMBERGER TOOLS
ADN 
adnVision

ARC

arcVision 
GVR 
geoVision 
MWD

Measurement While DrillingPower Pulse 
SONIC 
sonicVision 
SVWD

seismicVision While Drilling 
ACRONYMS USED FOR LWD SPERRYHALLIBURTON TOOLS
AFR 
Azimuthal Focused Resistivity 
AGR

Azimuthal Gamma Ray 
DGR 
Dual Gamma Ray 
EWRP4

Electromagnetic Wave Resistivity ToolPhase 4 
EWRM5

Electromagnetic Integrated Resistivity5 Spacings 
PWD

PressureWhileDrilling Service 
XBAT 
Azimuthal Sonic and Ultrasonic LWD Service 
ACRONYMS USED FOR
WIRELINE SCHLUMBERGER TOOLS
CCL 
Casing Collar Locator 
CMR 
Combinable Magnetic Resonance Tool 
EDTC 
Enhanced Digital Telemetry Cartridge 
EMS 
Environment Measurement Sonde 
FMI 
Fullbore Formation

GPIT

General Purpose Inclinometry Tool 
HGNS 
Highly Integrated Gamma RayNeutron Sonde 
HNGS

Hostile Environment Gamma Ray Sonde 
HRLA

High Resolution Laterolog Array Tool 
MAST

Multimode Array Sonic Service Tool (MAXSMAPC) 
MCFL

Micro Cylindrically Focused Log 
MDT

Modular Formation Dynamic Tester 
PPC

Power Positioning Device and Caliper Tool 
TLD

Three Detector Lithology Density Tool 
VSI 
Versatile Seismic Imager 
DEPTH SCALE TERMINOLOGY

DRILLING DEPTH SCALE 
DRF

Drilling depth below rig floor (m DRF) 
DSF  Drilling depth below sea floor (m DSF) 
WIRELINE LOGGING DEPTH SCALE  
WRF 
Wireline log depth below rig floor (m WRF) 
WSF 
Wireline log depth below sea floor (m WSF) 
WMSF 
Wireline log matched depth below sea floor (m WMSF) 
WSSF 
Wireline log speedcorrected depth below sea floor (m WSSF) 
LOGGING WHILE DRILLING DEPTH SCALE  
LRF  LWD depth below rig floor (m LRF) 
LSF

LWD depth below sea floor (m LSF) 
CORE DEPTH SCALE  
CSF 
Core depth below rig floor (m CSF) 
CCSF 
Core composite depth below sea floor (m CCSF) 
MUD DEPTH SCALE  
MSL  Mud depth below sea level (m MSL) 
SEISMIC DEPTH SCALE  
SSF 
Seismic depth scale (m SSF) 
ACRONYMS AND UNITS USED FOR LWD/MWD SCHLUMBERGER LOGS
ADIA

ADN Average Hole Diameter (in)

A16B

ARC Attenuation Resistivity Blended, 16 in. (ohmm) 
A22B

ARC Attenuation Resistivity Blended, 22 in. (ohmm) 
A28B

ARC Attenuation Resistivity Blended, 28 in. (ohmm) 
A34B

ARC Attenuation Resistivity Blended, 34 in. (ohmm)

A40B

ARC Attenuation Resistivity Blended, 40 in. (ohmm) 
A16H

ARC Attenuation Resistivity, 2 MHz, 16 in. (ohmm) 
A22H

ARC Attenuation Resistivity, 2 MHz, 22 in. (ohmm) 
A28H


A34H


A40H

ARC Attenuation Resistivity, 2 MHz, 40 in. (ohmm)

A16L

ARC Attenuation Resistivity, 400 KHz, 16 in. (ohmm)

A22L

ARC Attenuation Resistivity, 400 KHz, 22 in. (ohmm)

A28L

ARC Attenuation Resistivity, 400 KHz, 28 in. (ohmm)

A34L

ARC Attenuation Resistivity, 400 KHz, 34 in. (ohmm)

A40L

ARC Attenuation Resistivity, 400 KHz, 40 in. (ohmm) 
AGTM


APRS


ARTM


ATMP 
ARC Annular Temperature (degC) 
B1TM 
GVR Shallow Resistivity Time after Bit (s)

B2TM 
GVR Medium Resistivity Time after Bit (s) 
B3TM 
GVR Deep Resistivity Time after Bit (s) 
BDAV 
GVR Deep Resistivity Average (ohmm) 
BMAV 
GVR Medium Resistivity Average (ohmm) 
BSAV 
GVR Shallow Resistivity Average (ohmm) 
CC15

ADN Ultrasonic Borehole Centered Caliper Along Axis 1 and 5 (in)

CC26

ADN Ultrasonic Borehole Centered Caliper Along Axis 2 and 6 (in)

CC37

ADN Ultrasonic Borehole Centered Caliper Along Axis 3 and 7 (in)

CC48

ADN Ultrasonic Borehole Centered Caliper Along Axis 4 and 8 (in)

DCAV

Caliper, Averaged (in)

DRHO 
ADN Bulk Density Correction (g/cm^{3})

DTCO 
SONIC Compressional Delta Time, computed downhole (microsec/ft)

ECD

ARC Real Time Equivalent Circulating Density (lb/gal)

GR 
ARC/GVR Gamma Ray (API Units) 
IDDR 
ADN ImageDerived Density Correction
(g/cm^{3}).

IDPE 
ADN ImageDerived Photoelectric Effect
(barns/e^{})

IDRO 
ADN ImageDerived Bulk Density (g/cm^{3})

P16B

ARC Phase Shift Resistivity Blended, 16 in. (ohmm)

P22B

ARC Phase Shift Resistivity Blended, 22 in. (ohmm) 
P28B

ARC Phase Shift Resistivity Blended, 28 in. (ohmm) 
P34B

ARC Phase Shift Resistivity Blended, 34 in. (ohmm)

P40B

ARC Phase Shift Resistivity Blended, 40 in. (ohmm) 
P16H

ARC Phase Shift Resistivity, 2 MHz, 16 in (ohmm)

P22H

ARC Phase Shift Resistivity, 2 MHz, 22 in (ohmm) 
P28H

ARC Phase Shift Resistivity, 2 MHz, 28 in (ohmm) 
P34H

ARC Phase Shift Resistivity, 2 MHz, 34 in (ohmm)

P40H

ARC Phase Shift Resistivity, 2 MHz, 40 in (ohmm) 
P16L

ARC Phase Shift Resistivity, 400 KHz, 16 in (ohmm) 
P22L

ARC Phase Shift Resistivity, 400 KHz, 22 in (ohmm) 
P28L

ARC Phase Shift Resistivity, 400 KHz, 28 in (ohmm) 
P34L

ARC Phase Shift Resistivity, 400 KHz, 34 in (ohmm) 
P40L

ARC Phase Shift Resistivity, 400 KHz, 40 in (ohmm) 
PEF 
ADN Photoelectric Effect (barns/e^{})

RBIT 
GVR Bit Resistivity (ohmm) 
RBTM 
GVR Resistivity Time After Bit (s) 
RING 
GVR Ring Resistivity (ohmm) 
RHOB 
ADN Bulk Density (g/cm^{3})

ROP5


ROP5


RPM

Tool Rotation Speed (rpm) 
RTIM 
GVR Ring Resistivity Time after Bit (hr)

TAB_DEN 
ARC Density Time after Bit (s) 
TAB_NEU 
ARC Neutron Time after Bit (s) 
TNPH 
ARC Thermal Neutron Porosity (%) 
VCO 
Compressional Velocity (computed from DTCO; km/s) 
ACRONYMS AND UNITS USED FOR LWD/MWD HALLIBURTON LOGS
ABR

AFR Resistivity atthebit (ohmm)

AFRDC 
AFR Deep Resistivity, Borehole Corrected (ohmm)

AFRSC 
AFR Shallow Resistivity, Borehole Corrected (ohmm)

AFXT 
AFR Formation Exposure Time (s) 
AGRCC 
AGR Combined Gamma Ray, Borehole Corrected (API units) 
AGTEMP 
AGR Temperature (degC) 
AGXT 
AGR Formation Exposure Time (s) 
DGRCC 
DGR Combined Gamma Ray, Borehole Corrected (API units) 
EWTEMP 
EWRP4 Temperature (degC) 
M5TEMP 
EWRM5 Temperature (degC) 
M5XT 
EWRM5 Formation Exposure Time (s) 
PWEA 
PWD Annular Ellipse Mud Weight (lb/gal) 
PWPA 
PWD Annular Pressure (psi) 
ROPA 
Average Rate of Penetration (m/hr) 
R09AC 
EWRP4 Attenuation Resistivity, 9 in., Borehole Corrected (ohmm) 
R15AC 
EWRP4 Attenuation Resistivity, 15 in., Borehole Corrected (ohmm) 
R27AC 
EWRP4 Attenuation Resistivity, 27 in., Borehole Corrected (ohmm) 
R39AC 
EWRP4 Attenuation Resistivity, 39 in., Borehole Corrected (ohmm)

R09PC

EWRP4 Phase Resistivity, 9 in., Borehole Corrected (ohmm) 
R15PC

EWRP4 Phase Resistivity, 15 in., Borehole Corrected (ohmm) 
R27PC 
EWRP4 Phase Resistivity, 27 in., Borehole Corrected (ohmm) 
R39PC


RH16AC 

RH24AC

EWRM5 Attenuation Resistivity, 2 MHz, 24 in., Borehole Corrected (ohmm)

RH32AC

EWRM5 Attenuation Resistivity, 2 MHz, 32 in., Borehole Corrected (ohmm)

RH40AC

EWRM5 Attenuation Resistivity, 2 MHz, 40 in., Borehole Corrected (ohmm)

RH48AC 
EWRM5 Attenuation Resistivity, 2 MHz, 48 in., Borehole Corrected (ohmm)

RH16PC 

RH24PC

EWRM5 Phase Shift Resistivity, 2 MHz, 24 in., Borehole Corrected (ohmm)

RH32PC

EWRM5 Phase Shift Resistivity, 2 MHz, 32 in., Borehole Corrected (ohmm)

RH40PC

EWRM5 Phase Shift Resistivity, 2 MHz, 40 in., Borehole Corrected (ohmm)

RH48PC 
EWRM5 Phase Shift Resistivity, 2 MHz, 48 in., Borehole Corrected (ohmm)

VELP 
Compressional Velocity (computed from XBCS; km/s)

VELS 
Shear Velocity (computed from XRSS; km/s)

XBCS 

XBEDA 

XBEDN 

XBEDX 

XRSS 

ACRONYMS AND UNITS USED FOR WIRELINE SCHLUMBERGER LOGS
AX 
GPIT Acceleration X Axis (ft/s^{2})

AY

GPIT Acceleration Y Axis (ft/s^{2})

AZ

GPIT Acceleration Z Axis (ft/s^{2})

AZIM

GPIT Constant Azimuth for Deviation Correction (deg) 
C1

FMI Caliper 1 (in)

C2


CFTC 
HGNS Far Thermal Count Rate (cps) 
CMFF 
CMR Free Fluid (%) 
CMRP_3MS 
CMR Porosity with T2 Vlaue > 3 ms (%) 
CNTC 
HGNS Near Thermal Count Rate (cps) 
CS

Cable Speed (m/hr) 
DEVI

Hole Deviation (degrees)

DF

Drilling Force (lbf) 
DSOZ


ECGR

EDTC Environmentally Corrected Gamma Ray (API units)

EHGR

EDTC Environmentally Corrected High Resolution Gamma Ray (API units)

ETIM

Elapsed Time (sec) 
FINC

GPIT Magnetic Field Inclination (degrees)

FNOR

GPIT Magnetic Field Total Moment (oersted)

FX

GPIT Magnetic Field on X Axis (oersted)

FY

GPIT Magnetic Field on Y Axis (oersted)

FZ

GPIT Magnetic Field on Z Axis (oersted) 
GR

EDTC Gamma Ray (API units) 
HAZI

GPIT Hole Azimuth (degrees)

HBHK

HNGS Borehole Potassium (%) 
HCAL


HCGR


HD1

EMS Hole Diameter 1 (in^{})

HD2

EMS Hole Diameter 2 (in^{})

HD3

EMS Hole Diameter 3 (in^{})

HDRA 
TLD Spine and Ribs Density Correction (g/cm^{3})

HCFT


HCNT


HFK

HNGS Formation Potassium (%)

HNPO

HGNS High Res. Enhanced Thetrmal Neutron Porosity (%)

HPRA 
TLD Formation Photoelectric Factor Correction (barns/e^{})

HGR

EDTC High Resolution Gamma Ray (API units) 
HSGR


HTHO

HNGS Thorium (ppm)

HTNP 
HGNS High Res. Thetrmal Neutron Porosity (Ratio Method; %)

HURA

HNGS Uranium (ppm)

KSDR 
CMR SDR Peremability (mD) 
KTIM 
CMR Permeability (mD) 
NPOR

HGNS Enhanced Thetrmal Neutron Porosity (%)

P1AZ

GPIT Pad 1 Azimuth (degrees) 
PEFZ

TLD Formation Photoelectric Factor (barns/e^{})

RB

FMI Pad 1 Relative Bearing (degrees)

RHOZ

TLD Formation Density (g/cm^{3})

RLA1

HRLA Apparent Resistivity from Computed Focusing Mode 1 (ohmm)

RLA2

HRLA Apparent Resistivity from Computed Focusing Mode 2 (ohmm)

RLA3

HRLA Apparent Resistivity from Computed Focusing Mode 3 (ohmm)

RLA4

HRLA Apparent Resistivity from Computed Focusing Mode 4 (ohmm)

RLA5

HRLA Apparent Resistivity from Computed Focusing Mode 5 (ohmm)

RM_HRLT

HRLA Computed Mud Resistivity (ohmm)

RT_HRLT

HRLA True Formation Resistivity (ohmm)

TCMR 
CMR Porosity (%) 
TENS

Tension (lb)

TNPH 
HGNS Thetrmal Neutron Porosity (Ratio Method; %)

TNRA 
HGNS Thermal Neutron Ratio

TNPH 
HGNS Thetrmal Neutron Porosity (Ratio Method; %)

TNRA 
HGNS Thermal Neutron Ratio

T2LM 
CMR Logarithmic Mean (ms) 
VELP

Compressional Velocity (rocessed from SonicScanner waveforms; km/s) 
VELS

Shear Velocity (computed from SonicScanner waveforms; km/s)

VLST

Stoneley Velocity (computed from SonicScanner waveforms; km/s)
