Table T4. Wireline tool string downhole measurements, Expedition 327. (See table notes.)
|
Tool
|
Measurement
|
Sampling interval
(cm) |
Approximate vertical resolution (cm)
|
|---|---|---|---|
| LEH | Spontaneous potential (qualitative) | 15 | NA |
| HNGS | Spectral gamma ray | 15 | 51 |
| HLDS | Bulk density, PEF, caliper | 15 | 38 |
| MTT | Borehole fluid temperature | 15 | NA |
| GPIT | Tool orientation, downhole motion | 15 | NA |
| UBI | Ultrasonic image, caliper | 0.5–2.5 | 0.5–2.5 |
Notes: LEH, HNGS, HLDS, GPIT, and UBI are trademarks of Schlumberger. For definitions of tool acronyms, see Table T5. NA = not applicable. PEF = photoelectric effect.
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