Schlumberger Wireline Logging Tools Sort by Acronym Sort by Tool Name Acronym Tool Name Tool Status APS Accelerator Porosity Sonde Used in IODP ARI Azimuthal Resistivity Imager Legacy ASI Array Seismic Imager Legacy BGKT Borehole Geometry Tool Kit Legacy BHC Borehole Compensated Sonic Tool Legacy CNL Compensated Neutron Log Legacy CNT-G Compensated Neutron Tool Legacy DIT Dual Induction Tool Used in IODP DLL Dual Laterolog Legacy DSI Dipole Sonic Imager Used in IODP EDTC-B Enhanced Digital Telemetry Cartridge Used in IODP FMS Formation MicroScanner Used in IODP GHMT Geological High-Resolution Magnetic Tool Legacy GLT Geochemical Logging Tool Legacy GPIT General Purpose Inclinometry Tool Used in IODP HLDS Hostile Environment Lithodensity Sonde Used in IODP HLDT Hostile Environment Lithodensity Tool Legacy HNGS Hostile Environment Gamma Ray Sonde Used in IODP HRLA High Resolution Resistivity Array Tool Used in IODP HTGC High-Temperature High Pressure Telemetry Gamma-Ray Cartridge Legacy LDT Lithodensity Tool Legacy LSS Long Spacing Sonic Tool Legacy NGT Natural Gamma Ray Spectrometry Tool Legacy QAIT SlimXtreme Array Induction Imager Tool Used in IODP QSST Inline Checkshot Tool Legacy SDT Sonic Digital Tool Legacy SGT Scintillation Gamma Tool Legacy UBI Ultrasonic Borehole Imager Used in IODP VSI Versatile Seismic Imager Used in IODP WST Well Seismic Tool Legacy WST-3 3-Component Well Seismic Tool Legacy Tool Name Acronym Tool Status 3-Component Well Seismic Tool WST-3 Legacy Accelerator Porosity Sonde APS Legacy Array Seismic Imager ASI Legacy Azimuthal Resistivity Imager ARI Legacy Borehole Compensated Sonic Tool BHC Legacy Borehole Geometry Toolkit BGKT Legacy Compensated Neutron Log CNL Legacy Compensated Neutron Tool CNT-G Used in IODP Dipole Sonic Imager DSI-2 Used in IODP Dual Induction Tool DIT Used in IODP Dual Laterolog DLL Used in IODP Enhanced Digital Telemetry Cartridge EDTC-B Used in IODP Formation MicroScanner FMS Used in IODP General Purpose Inclinometry Tool GPIT Used in IODP Geochemical Logging Tool GLT Legacy Geological High-Resolution Magnetic Tool GHMT Legacy High Resolution Resistivity Array Tool HRLA Used in IODP High-Temperature High Pressure Telemetry Gamma-Ray Cartridge HTGC Legacy Hostile Environment Gamma Ray Sonde HNGS Used in IODP Hostile Environment Lithodensity Sonde HLDS Used in IODP Hostile Environment Lithodensity Tool HLDT Legacy Inline Checkshot Tool QSST Legacy Lithodensity Tool LDT Legacy Long Spacing Sonic Tool LSS Legacy Natural Gamma Ray Spectrometry Tool NGT Legacy Scintillation Gamma Tool SGT Legacy SlimXtreme Array Induction Imager Tool QAIT Used in IODP Sonic Digital Tool SDT Legacy Ultrasonic Borehole Imager UBI Used in IODP Versatile Seismic Imager VSI Used in IODP Well Seismic Tool WST Legacy