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Table T5. Wireline tool string downhole measurements, Expedition 339.
Tool string
|
Tool
|
Measurement
|
Sampling interval (cm)
|
Approximate vertical resolution (cm)
|
|
Triple combination |
HNGS
|
Spectral gamma ray
|
15
|
20–30
|
|
APS
|
Porosity
|
5 and 15
|
36
|
|
HLDS
|
Bulk density
|
2.5 and 15
|
38
|
|
DIT
|
Resistivity
|
15
|
240/180/92
|
|
HRLA
|
Resistivity
|
15
|
30
|
|
Formation MicroScanner-sonic |
HNGS
|
Spectral gamma ray
|
15
|
20–30
|
|
GPIT
|
Tool orientation
|
3.8
|
15
|
|
FMS
|
Microresistivity
|
0.25
|
0.5
|
|
DSI
|
Acoustic velocity
|
15
|
107
|
|
Versatile Seismic Imager |
EDTC
|
Total gamma ray
|
15
|
30
|
|
VSI
|
Acoustic traveltime
|
Stations at 25 m
|
NA
|
Tool names are trademarks of Schlumberger. See Table T6 for explanations of acronyms used to describe tool strings and tools. NA = not applicable.
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