Table T15. Acronyms and units used for downhole wireline tools and data, Expedition 335.
|
Tool
|
Output
|
Description
|
Unit
|
|---|---|---|---|
| LEH-MT | Logging Equipment Head with Tension and Mud Temperature | ||
| MTEM | Borehole fluid temperature | °C | |
| TENS | Cable head tension | lb | |
| EDTC | Enhanced Digital Telemetry Cartridge | ||
| GR | Total gamma ray | gAPI | |
| ECGR | Environmentally corrected gamma ray | gAPI | |
| EHGR | High-resolution environmentally corrected gamma ray | gAPI | |
| APS | Accelerator Porosity Sonde | ||
| APLC | Near/Array limestone porosity corrected | % | |
| STOF | Computed standoff | Inch | |
| SIGF | Formation capture cross section | Capture units | |
| 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 | |
| HRLA | High-Resolution Laterolog Array Tool | ||
| RLA (1–5) | Apparent resistivity from computed focusing mode (1–5) | Ωm | |
| RT | True resistivity | Ωm | |
| RM | Borehole fluid resistivity | Ωm | |
| MTT | Modular Temperature Tool | ||
| WTEP | Borehole fluid temperature | °C | |
| GPIT | General Purpose Inclinometry Tool | ||
| DEVI | Hole deviation | ° | |
| HAZI | Hole azimuth | ° | |
| Fx, Fy, Fz | Earth’s magnetic field (three orthogonal components) | ° | |
| Ax, Ay, Az | Acceleration (three orthogonal components) | m/s2 |
For the complete list of acronyms used in IODP and for additional information about tool physics, consult IODP-USIO Science Services, LDEO, at iodp.ldeo.columbia.edu/TOOLS_LABS/tools.html.
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