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Table T6. Acronyms and units used for wireline logging tools.

Tool Output Tool name/Explanation of output Unit
BHC   Borehole Compensated Sonic tool  
  DT Compressional wave delay time (Δt) ms/ft
FMS   Formation MicroScanner  
  C1, C2 Orthogonal hole diameters inch
  P1AZ Pad 1 azimuth Degrees
    Spatially oriented resistivity images of borehole wall  
GPIT   General Purpose Inclinometer Tool  
  DEVI Hole deviation Degrees
  HAZI Hole azimuth Degrees
  Fx, Fy, Fz Earth's magnetic field (three orthogonal components) Degrees
  Ax, Ay, Az Acceleration (three orthogonal components) m/s2
NGT   Natural Gamma Ray Spectrometry Tool  
  SGR Standard total gamma ray gAPI
  CGR Computed gamma ray (SGR minus uranium contribution) gAPI
  POTA Potassium wt%
  THOR Thorium ppm
  URAN Uranium ppm
SGT   Scintillation Gamma Ray Tool  
  ECGR Environmentally corrected gamma ray gAPI

Notes: All tool and tool string names are trademarks of Schlumberger. For the complete list of acronyms used in IODP and for additional information about tool physics and use consult IODP Logging Services at​TOOLS_LABS.

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