Table T6. Acronyms and units used for downhole wireline tools and measurements.
| Tool | Output | Explanation | Unit |
|---|---|---|---|
| DEBI-t | Deep Exploration Biosphere Investigative tool | ||
| Ax, Ay, Az | Acceleration (three orthogonal components) | m/s2 | |
| ADC | Analog-to-digital converted voltage of the detectors | counts | |
| TEMP | Internal tool temperature | °C | |
| VIDEO | Optical video (of borehole wall) | ||
| DSI | Dipole Shear Sonic Imager | ||
| DTCO | Compressional wave delay time (Δt) | ms/ft | |
| DTSM | Shear wave delay time (Δt) | ms/ft | |
| DTST | Stoneley wave delay time (Δt) | ms/ft | |
| EDTC | Enhanced Digital Telemetry Cartridge | ||
| GR | Total gamma ray | gAPI | |
| ECGR | Environmentally corrected gamma ray | gAPI | |
| EHGR | High-resolution environmentally corrected gamma ray | gAPI | |
| MTEM | Borehole fluid temperature | °C | |
| FMS | Formation MicroScanner | ||
| C1, C2 | Orthogonal hole diameters | inch | |
| P1AZ | Pad 1 azimuth | degrees | |
| Spatially oriented resistivity images of borehole wall | |||
| GPIT | General Purpose Inclinometry Tool | ||
| DEVI | Hole deviation | degrees | |
| HAZI | Hole azimuth | degrees | |
| Fx, Fy, Fz | Earth’s magnetic field (three orthogonal components) | Oe | |
| Ax, Ay, Az | Acceleration (three orthogonal components) | m/s2 | |
| HLDS | Hostile Environment Litho-Density Sonde | ||
| RHOM | Bulk density | g/cm3 | |
| PEFL | Photoelectric effect | b/e– | |
| LCAL | Caliper (measure of borehole diameter) | inch | |
| DRH | Bulk density correction | g/cm3 | |
| HNGS | Hostile Environment Gamma Ray Sonde | ||
| HSGR | Standard (total) gamma ray | gAPI | |
| HCGR | Computed gamma ray (HSGR minus uranium contribution) | gAPI | |
| HFK | Potassium (K) | wt% | |
| HTHO | Thorium (Th) | ppm | |
| HURA | Uranium (U) | ppm | |
| HRLA | High-Resolution Laterolog Array | ||
| RLAXXX | Apparent resistivity from computed focusing mode XXX | Ωm | |
| RT | True resistivity | Ωm | |
| MRES | Borehole fluid resistivity | Ωm | |
| LEH-MT | Logging equipment head-mud temperature | ||
| MTEM | Borehole fluid temperature | °C | |
| TENS | Cablehead tension | lbf | |
| LEH-QT | Logging environment head-q tension | ||
| TENS | Cablehead tension | lbf | |
| MTT | Modular Temperature tool | ||
| WTEP | Borehole fluid temperature | °C |
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