Table T4. Acronyms and units used for wireline logging tools. (See table notes.)
| Tool* | Output | Tool name/Explanation of output | Unit |
|---|---|---|---|
| DIT-E |
|
Dual Induction Tool |
|
| IDPH | Deep induction resistivity | Ω·m | |
| IMPH | Medium induction resistivity | Ω·m | |
| SFLU | Spherically focused resistivity | Ω·m | |
| FMS |
|
Formation MicroScanner |
|
| C1, C2 | Orthogonal hole diameter | Inch | |
| P1AZ | Pad 1 azimuth | Degree | |
|
|
Spatially oriented resistivity images of borehole wall |
|
|
| GPIT |
|
General Purpose Inclinometer Tool |
|
| DEVI | Hole deviation | Degree | |
| HAZI | Hole azimuth | Degree | |
| Fx, Fy, Fz | Earth's magnetic field (three orthogonal components) | Oersted | |
| Ax, Ay, Az | Acceleration (three orthogonal components) | m/s2 | |
| HLDS |
|
Hostile Environment Litho-Density Sonde |
|
| LCAL | Caliper (measure of borehole diameter) | Inch | |
| 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 | |
| MSS |
|
Magnetic Susceptibility Sonde |
|
| HSUS | High-resolution sensor susceptibility | SI | |
| LSUS | Low-resolution sensor susceptibility | SI | |
| LCON | Low-resolution sensor conductivity (under development) | S/m | |
| TEMP | Temperature of MSS electronics | °C | |
| ZACC | Tool acceleration | m/s/s |
Notes: * = All tool and tool string names (except the MSS) are trademarks of Schlumberger. For the complete list of acronyms used in the IODP and for additional infomation about tool physics and use consult the IODP Tools and Laboratories section at www.iodp-usio.org/default.html.
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