iodp acronyms

8/9/2019 IODP Acronyms

1/23

INTEGRATED OCEAN DRILLING PROGRAM

ACRONYMS USED FOR WIRELINE SCHLUMBERGER TOOLS

APS

Accelerator Porosity Sonde

DIT

Dual Induction Tool

DLL

Dual Laterolog

DSI

Dipole Sonic Imager

EDTC-B

Enhanced Digital Telemetry Cartridge - B

FMS

Formation MicroScanner

GPIT

General Purpose Inclinometry Tool

HLDS

Hostile Environment Lithodensity Sonde

HNGS

Hostile Environment Gamma Ray Sonde

HRLA

High Resolution Laterolog Array Tool

MCD


2/23

Mechanical Caliper Device

QAIT

SlimXtreme Array Induction Imager Tool

SGT

Scintillation Gamma Ray Tool

SP

Spontaneous Potential

UBI

Ultrasonic Borehole Imager

VSI

Versatile Seismic Imager

WST

Well Seismic Tool

WST-3

3-Component Well Seismic Tool

ACRONYMS USED FOR LWD SCHLUMBERGER TOOLS

ADN

adnVISION Tool

ARC

arcVISION Tool

ECO

EcoScope Tool


3/23

GVR

geoVISION

SONIC

sonicVISION Tool

MWD

Measurement-While Drilling Tool

NMR

proVision Tool

RAB

Resistivity-at-the-Bit Tool

TELE

TeleScope Tool

ACRONYMS USED FOR NON-SCHLUMBERGER SPECIALTY TOOLS

MGT

Multisensor Gamma Tool

MSS

Magnetic Susceptibility Sonde

MTT

Modular Temperature Tool

TAP


4/23

Temperature-Acceleration-Pressure Tool

ACRONYMS USED FOR THIRD PARTY TOOLS

MAGN-GBM

Borehole 3-axis Magnetometer (Univ. of Goettingen)

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 speed-corrected depth below sea floor (m WSSF)

LOGGING WHILE DRILLING DEPTH SCALELRF LWD depth below rig floor (m LRF)


5/23

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 SCALEMSL Mud depth below sea level (m MSL)

SEISMIC DEPTH SCALE

SSF

Seismic depth scale (m SSF)

ACRONYMS AND UNITS USED FOR WIRELINE SCHLUMBERGER LOGS

AF10

QAIT Induction - 10in investigation depth (ohmm)

AF20


AF30


AF60


AF90


6/23


AFEC

APS Far Detector Counts (cps)

APLC

APS Near/Array Limestone Porosity Corrected (%)

ANEC

APS Near Detector Counts (cps)

AX

GPIT Acceleration X Axis (ft/s2)

AY

GPIT Acceleration Y Axis (ft/s2)

AZ

GPIT Acceleration Z Axis (ft/s2)

AZIM

GPIT Constant Azimuth for Deviation Correction (deg)

C1

FMS Caliper 1 (in)

C2

FMS Caliper 2 (in)

CALI

HLDS/MCD Caliper (in)

CS

Cable Speed (m/hr)

DEVI


7/23

GPIT Hole Deviation (degrees)

DF

Drilling Force (lbf)

DRH

Bulk Density Correction (g/cm3)

DT1

DSI Delta-Time Shear, Lower Dipole (microsec/ft)

DT1R

DSI Delta- Time Shear, Receiver Array, Lower Dipole (microsec/ft)

DT1T

DSI Delta-Time Shear, Transmitter Array, Lower Dipole (microsec/ft)

DT2

DSI Delta-Time Shear, Upper Dipole (microsec/ft)

DT2R

DSI Delta- Time Shear, Receiver Array, Upper Dipole (microsec/ft)

DT2T

DSI Delta-Time Shear, Transmitter Array, Upper Dipole (microsec/ft)

DT4P

DSI Delta-Time Compressional, P&S (microsec/ft)

DT4S

DSI Delta-Time Shear, P&S (microsec/ft)

DT5

DSI Delta-Time Compressional (microsec/ft), First Detection Mode

DTCO


8/23

DSI Delta-Time Compressional (microsec/ft)

DTRP

DSI Delta-Time Compressional, Receiver Array, P&S (microsec/ft)

DTRS

DSI Delta-Time Shear, Receiver Array, P&S (microsec/ft)

DTSM

DSI Delta-Time Shear (microsec/ft)

DTST

DSI Delta-Time Stoneley (microsec/ft)

DTTP

DSI Delta-Time Compressional, Transmitter Array, P&S (microsec/ft)

DTTS

DSI Delta-Time Shear, Transmitter Array, P&S (microsec/ft)

ECGR

SGTE Environmentally Corrected Gamma Ray (API units)

ECGR

SGTE/EDTC-B Environmentally Corrected Gamma Ray (API units)

EHGR

SGTE/EDTC-B Environmentally Corrected High Resolution Gamma Ray (API units)

ETIM

Elapsed Time (sec)

FINC

GPIT Magnetic Field Inclination (degrees)

FNOR


9/23

GPIT Magnetic Field Total Moment (oersted)

FPLC

Far/Array Limestone Porosity Corrected (%)

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

SGTE/EDTC-B Gamma Ray (API units)

HALC

APS High Res. Near/Array Limestone Porosity Corrected (%)

HAZI

GPIT Hole Azimuth (degrees)

HBDC

HLDS High Res. Bulk Density Correction (g/cm3)

HBHK

HNGS Borehole Potassium (%)

HCGR

HNGS Computed Gamma Ray (API units)

HDEB

HLDS High Res. Enhanced Bulk Density (g/cm3)

HFEC


10/23

APS High Res. Far Detector Counts (cps)

HFK

HNGS Formation Potassium (%)

HFLC

APS High Res. Near/Far Limestone Porosity Corrected (%)

HGR

SGTE/EDTC-B High Resolution Gamma Ray (API units)

HLCA

HLDS High Res. Caliper (in )

HLEF

HLDS High Res. Long-spaced Photoelectric Effect (barns/e-)

HNEC

HLDS High Res. Near Detector Counts (cps)

HRHL

HLDS High Res. Long-spaced Bulk Density (g/cm3)

HRHS

HLDS High Res. Short-spaced Bulk Density (g/cm3)

HROM

HLDS High Res. Corrected Bulk Density (g/cm3)

HSGR

HNGS Standard (total) Gamma Ray (API units)

HSIG

APS High Res. Formation Capture Cross Section (capture units)

HSTO


11/23

HNGS High Res. Computed Standoff (in)

HTHO

HNGS Thorium (ppm)

HURA

HNGS Uranium (ppm)

IDPH

DIT Phasor Deep Induction (ohmm)

IMPH

DIT Phasor Medium Induction (ohmm)

LCAL

DIT Caliper (in)

LLD

DLL Laterolog Deep (ohmm)

LLS

DLL Laterolog Shallow (ohmm)

NRHB

HLDS Bulk Density (g/cm3)

P1AZ

GPIT Pad 1 Azimuth (degrees)

PEFL

HLDS Long-spaced Photoelectric Effect (barns/e-)

RADIUS_25

UBI Lower quartile value of the borehole radius distribution (in)

RADIUS_75


12/23

UBI Upper quartile value of the borehole radius distribution (in)

RADIUS_MEDIAN

UBI Median value of the borehole radius distribution (in)

RB

GPIT Pad 1 Relative Bearing (degrees)

RCAV

UBI Corrected Radius Average Value (in)

RCMN

UBI Corrected Radius Minimum Value (in)

RCMX

UBI Corrected Radius Maximum Value (in)REMS

Mud Resistivity (ohmm)

RHL

HLDS Long-spaced Bulk Density (g/cm3)

RHOM

HLDS Corrected Bulk Density (g/cm3)

RHS

HLDS Short-spaced Bulk Density (g/cm3)

RLA1

HRLA Apparent Resistivity from Computed Focusing Mode 1 (ohmm)

RLA2


RLA3



13/23

RLA4


RLA5


RM_HRLT

HRLA Computed Mud Resistivity (ohmm)

RT_HRLT

HRLA True Formation Resistivity (ohmm)

SFLU

DIT Spherically Focused Log (ohmm)

SIGF

APS Formation Capture Cross Section (capture units)

SP

SP Spontaneous Potential (mV)

STOF

APS Computed Standoff (in)

TENS

Tension (lb)

TMP

Mud Temperature (degC)

V4P

DSI Compressional Velocity, from DT4P (P&S; km/s)

V4S

DSI Shear Velocity, from DT4S (P&S; km/s)


14/23

V5P

DSI Compressional Velocity (km/s, from DT5)

VCO

DSI Compressional Velocity (from DTCO, km/s)

VELP

DSI Compressional Velocity (processed from waveforms; km/s)

VELS

DSI Shear Velocity (processed from waveforms; km/s)

VS

DSI Shear Velocity (from DTSM, km/s)

VS1

DSI Shear Velocity, from DT1 (Lower Dipole; km/s)

VS1R

DSI Shear Velocity, from DT1R (Receiver Array, Lower Dipole; km/s)

VS1T

DSI Shear Velocity, from DT1T (Transmitter Array, Lower Dipole; km/s)

VS2

DSI Shear Velocity, from DT2 (Upper Dipole; km/s)

VS2R

DSI Shear Velocity, from DT2R (Receiver Array, Upper Dipole; km/s)

VS2T

DSI Shear Velocity, from DT2T (Transmitter Array, Upper Dipole; km/s)

VST

DSI Stoneley Velocity (from DTST, km/s)


15/23

VRP

DSI Compressional Velocity, from DTRP (Receiver Array, P&S; km/s)

VRS

DSI Shear Velocity, from DTRS (Receiver Array, P&S; km/s)

VTP

DSI Compressional Velocity, from DTTP (Transmitter Array, P&S; km/s)

VTS

DSI Shear Velocity, from DTTS (Transmitter Array, P&S; km/s)

ACRONYMS AND UNITS USED FOR LWD/MWD SCHLUMBERGER LOGS

A16B

ARC/ECO Attenuation Resistivity Blended, 16 in. (ohmm)

A22B


A28B


A34B


A40B


A16H

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


16/23

A22H


A28H


A34H


A40H


A16L

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

A22L


A28L


A34L


A40L


AGTM

ARC/ECO Gamma Ray Time After Bit (s)

APRS

ARC Annulus Pressure (psi)

ARTM

ARC/ECO Resistivity Time After Bit (s)


17/23

ATMP

ARC Annulus 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)

BFV

NMR Bound Fluid Volume (%)

BMAV

GVR Medium Resistivity Average (ohmm)

BPHI

ECO Best Thermal Neutron Porosity, Average (%)

BSAV

GVR Shallow Resistivity Average (ohmm)

DCAL

ADN/ECODifferential Caliper (in)

DHAP

ECO Downhole Annulus Pressure (psi)

DHAT

ECO Downhole Annulus Temperature (degC)


18/23

DRHO

ADN/ECO Bulk Density Correction (g/cm3)

DRRT

ADN/ECO Correction for ADN rotational density (g/cm3).

DTAB

ADN Density Time after Bit (hr)

DTCO

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

DTCU

SONIC Compressional Delta Time, computed uphole (microsec/ft)

DWAL_WALK2

ECO Dry Weight Fraction Pseudo Aluminum (Walk2 Mode)

DWCA_WALK2

ECO Dry Weight Fraction Calcium (Walk2 Mode)

DWFE_WALK2

ECO Dry Weight Fraction Iron (Walk2 Mode)

DWGD_WALK2

ECO Dry Weight Fraction Gadolinium (Walk2 Mode)

DWK_WALK2

ECO Dry Weight Fraction Potassium (Walk2 Mode)

DWSI_WALK2

ECO Dry Weight Fraction Silicon (Walk2 Mode)

DWSU_WALK2

ECO Dry Weight Fraction Sulfur (Walk2 Mode)


19/23

DWTI_WALK2

ECO Dry Weight Fraction Titanium (Walk2 Mode)

ECD

ARC Equivalent Circulating Density (lb/gal)

FFV

NMR Free Fluid Volume (%)

GR

ARC/GVR Gamma Ray (API Units)

GRMA

ECO Gamma Ray, Average (gAPI units)

GRTK

GVR Gamma Ray Time after Bit (s)

IDDR

ADN/ECO Image Derived Density Correction (g/cm3).

IDPE

ADN/ECO Image Derived Photoelectric Effect (barns/e-)

IDRO

ADN/ECO Image Derived Bulk Density (g/cm3)

ISTB

SONIC Sonic Time after Bit (hr or min)

ITT

SONIC Integrated Transit Time (microsec)

MRP

NMR Magnetic Resonance Porosity


20/23

NTAB

ADN Neutron Time after Bit (hr)

P16B

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

P22B


P28B


P34B


P40B


P16H

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

P22H


P28H


P34H


P40H


P16L

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


21/23


22/23

T2

NMR T2 Distribution (%)

T2LM

NMR T2 Logarithmic Mean (ms)

TAB_DEN

ARC/ECO Density Time after Bit (s)

TAB_NEU

ARC/ECO Neutron Time after Bit (s)

TNPH

ADN/ECO Thermal Neutron Porosity (%)

VCO

SONIC Compressional Velocity (Computed Downhole), from DTCO (km/s)

VCU

SONIC Compressional Velocity (Computed Uphole), from DTCU (km/s)

ACRONYMS AND UNITS USED FOR SPECIALTY LOGS

AZ

MSS Axial Acceleration (m/s2; MSS tool)

HSUS

MSS High Resolution Single Coil Susceptibility (SI; MSS tool)

LCON

MSS Dual Coil Conductivity (S/m; MSS tool)

DSUS

MSS Deep Dual Coil Susceptibility (SI; MSS tool)


23/23

TEMP

MSS Internal Tool Temperature (degC; MSS tool)

WTEP

MSS Well Temperature(degC; MSS tool)

ZACC

MSS Vertical Acceleration (m/s2; MSS tool)

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