Previous |
Close
| Next
Table T11. Wireline tool string downhole measurements, Expedition 324. (See table notes.)
|
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
|
|
DITE
|
Resistivity
|
15
|
200/150/76
|
|
Formation MicroScanner-sonic
|
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
|
Acoustic imaging
|
0.15
|
0.51
|
|
GPIT
|
Tool orientation
|
0.25 and 15
|
NA
|
|
HNGS
|
Spectral gamma ray
|
15
|
51
|
Notes: All tool and tool string names are trademarks of Schlumberger. Sampling interval based on optimal logging speed. Acoustic imaging approximate vertical resolution is at 500 kHz. NA = not applicable. For definitions of tool acronyms, see Table T12.
Previous |
Close
|
Next | Top of page