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Table T3. Measurements made by wireline tool strings.

Tool Measurement Sampling
Triple combination QSST Inline check shot TD – tool string length  
  HNGS Spectral gamma ray/Total gamma ray 15 51
  APS Porosity 5 and 15 43
  HLDS/HLDT Bulk density, photoelectric factor 2.5 and 15 38/46
  DIT Resistivity, spontaneous potential 15 61
  TAP Temperature, pressure 1 per second NA
Formation MicroScanner(FMS)-sonic combination DSI Acoustic velocity 15 107
SGT Total gamma ray 15 46
  GPIT Tool orientation 0.25 and 15 NA
  FMS Microresitivity imaging 0.25 0.5
Well Seismic Tool (stationary) WST Sonic traveltime Variable NA

Notes: All tool and tool string names presented in this table are trademarks of Schlumberger. For the complete list of acronyms used in the IODP and for additional information consult IODP Downhole Logging Tools at​TOOLS_LABS/​tools.html. See Table T4, for explanation of acronyms used to describe tool string and tools. NA = not applicable.

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