Table T5. Acronyms and units used for downhole wireline tools and measurements, Expedition 327. (See table notes.)
| Tool | Output | Description | Unit |
|---|---|---|---|
| LEH | Logging equipment head | ||
| SP | Spontaneous potential (qualitative) | mV | |
| DF | Cable head tension | lbf | |
| TENS | Surface cable tension | lbf | |
| CS | Surface cable speed | m/h | |
| HNGS | Hostile Environment Natural Gamma Ray Sonde | ||
| HSGR | Standard (total) gamma ray | API | |
| HCGR | Computed gamma ray (HSGR minus uranium contribution) | API | |
| HFK | Potassium (K) | wt% | |
| HTHO | Thorium (Th) | ppm | |
| HURA | Uranium (U) | ppm | |
| HBHK | Borehole potassium | wt% | |
| HLDS | Hostile Environment Litho-Density Sonde | ||
| RHOM | Corrected bulk density | g/cm3 | |
| PEFL | Photoelectric effect | b/e– | |
| LCAL | Long-axis borehole caliper | inch | |
| DRH | Bulk density correction | g/cm3 | |
| NRHB | Bulk density | g/cm3 | |
| MTT | Modular Temperature Tool | ||
| WTEP | Borehole fluid temperature | °C | |
| 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 | |
| FNOR | Magnetic field total movement | Oe | |
| FINC | Magnetic field inclination | degrees | |
| RB | Pad 1 relative bearing | degrees | |
| P1AZ | Pad 1 azimuth | degrees | |
| UBI | Ultrasonic Borehole Imager | ||
| FTED | Median borehole radius | inch | |
| FT25 | Lower quartile borehole radius | inch | |
| FT75 | Upper quartile borehole radius | inch | |
| AMED | Median amplitude | db | |
| AM25 | Lower quartile amplitude | db | |
| AM75 | Upper quartile amplitude | db | |
| TTVIEW | Transit time image | µs | |
| AWVIEW | Amplitude window image | db |
Notes: LEH, HNGS, HLDS, GPIT, and UBI are trademarks of Schlumberger. 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.
Previous | Close | Top of page