Table T7. Measurement acronyms and units, vertical resolutions, and depths of investigation (where available) of wireline tools, Expedition 334.
| Tool | Output | Explanation | Unit | Vertical resolution (cm) | Depth of investigation (cm) |
|---|---|---|---|---|---|
| adnVISION 675 | Azimuthal Density Neutron Tool | ||||
| CLXX | Ultrasonic caliper along axes XX, where XX = 15, 26, 37, 48 (for axes 1 and 5, 2 and 6, etc.) | inch | |||
| DCAV | Average density caliper | inch | |||
| TNPH | Thermal neutron porosity | % | 31 | ||
| PEF | Photoelectric factor | b/e− | |||
| RHOB | Density | g/cm3 | 15 | ||
| IDRO | Image-derived density | g/cm3 | |||
| Oriented density images of borehole wall | |||||
| Oriented images of borehole radius from density caliper | |||||
| arcVISION 675 | Array Resistivity Compensated Tool | ||||
| AXXH, AXXL, AXXB | Attenuation resistivity at source-receiver spacing XX, where XX = 16, 22, 28, 34, and 40 inches | Ωm | 55–122 | 48–102 | |
| PXXH, PXXL, PXXB | Phase-shift resistivity at source-receiver spacing XX, where XX = 16, 22, 28, 34, and 40 inches | Ωm | 21–30 | 33–79 | |
| In the output acronyms above, H = 2 MHz resistivity, L = 400 kHz resistivity, and B = blended resistivity | |||||
| GR_ARC | Calibrated gamma ray | gAPI | 46 | ||
| APRS_ARC | Downhole annulus pressure | psi | |||
| ATMP | Downhole annulus temperature | °C | |||
| geoVISION 675 | Resistivity at the Bit Tool | ||||
| GR_CAL | Calibrated gamma ray | gAPI | 46 | ||
| RES_BIT | Bit resistivity | Ωm | 30–61 | 30 | |
| RES_RING | Ring resistivity | Ωm | 5–8 | 18 | |
| RES_BD | Deep button resistivity average | Ωm | 5–8 | 13 | |
| RES_BM | Medium button resistivity average | Ωm | 5–8 | 8 | |
| RES_BS | Shallow button resistivity average | Ωm | 5–8 | 2.5 | |
| Oriented resistivity images of the borehole wall | |||||
| Oriented gamma ray images of the borehole wall | |||||
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