Table T11. Type of measurements made by wireline logging tool strings, Expedition 330.
Tool string
|
Tool |
Measurement
|
Sampling interval† cm) |
Approximate vertical resolution (cm) |
|---|---|---|---|---|
| Triple combination* | HNGS | Spectral gamma ray | 15 | 51 |
| GPIT | Tool orientation | 0.25 and 15 | NA | |
| APS | Porosity | 5 and 15 | 43 | |
| HLDS | Bulk density | 2.5 and 15 | 38/46 | |
| DIT | Resistivity | 15 | 200/150/76 | |
| Formation MicroScanner-sonic combination* | HNGS | Spectral gamma ray | 15 | 51 |
| GPIT | Tool orientation | 0.25 and 15 | NA | |
| FMS | Microresistivity imaging | 0.25 | 0.5 | |
| DSI | Acoustic velocity | 15 | 107 | |
| Ultrasonic Borehole Imager* | UBI | Ultrasonic imaging | Variable | 0.5–2 |
| GPIT | Tool orientation | 0.25 and 15 | NA | |
| HNGS | Spectral gamma ray | 15 | 51 | |
| Göttingen Borehole Magnetometer | GBM | Magnetic field | 5 | NA |
| Tool orientation |
* = trademark of Schlumberger. † = sampling interval based on optimal logging speed. NA = not applicable. For definitions of tool acronyms, see Table T12.
Previous | Close | Next | Top of page