| FEATURES |
| Compensated density output directly
in engineering units (g/cc) |
| Separate short-spacing detector(s)
for accurate bed-boundary location |
| Tungsten shielding reduces borehole
influence on measurement |
| Collimated source minimises mud-cake
effect |
| Powerful motorised caliper arm maintains
good sidewall contact |
| Standard calibration blocks available
for field or base use |
| Optional bed-resolution density
(BRD) and temperature measurements |
| MEASUREMENTS |
| Compensated density |
| Natural gamma |
| Caliper |
| High-resolution density
HRD |
| Bed-resolution density
BRD |
| Temperature |
| APPLICATIONS |
| Mineral |
Lithology
Density and porosity
Correlation with other logs
Bed thickness and boundary location
Ash content in coal |
| Water |
Location of aquifer and aquitard
Porosity measurement
Detection of cavities and missing cement around casing |
| Engineering |
Rock strength and elasticity parameters
(with sonic log)
Detection of weathered or fractured zones
Ground compaction studies |
| OPERATING
CONDITIONS |
| Borehole type |
Borehole type: open-hole, water-filled
Qualitative measurements are possible in air-filled boreholes |
| SPECIFICATIONS |
| Diameter |
50mm |
| Length |
2.88m |
| Weight |
20kg |
| Max. temperature |
70ºC (extended range available) |
| Max. pressure |
20MPa (extended range available) |
| Density |
detectors type: NaI(Tl) scintillation
crystal
detector spacings: 48cm (LSD) 24cm (HRD)
14 cm (BRD)
calibrated density range (LSD): 1 to 3.0g/cc |
| Natural Gamma |
detector: 50mm x 25mm Nal
(Tl) scintillation crystal (larger sizes available) |
| Caliper |
range: 50mm to 300mm |
| SALES
INFORMATION |
| Probe |
| 25 007 000 |
Sidewall density probe with source
holder, source transport pot and caliper calibrator |
| 25 008 000 |
includes BRD |
| 25 009 000 |
includes BRD and temperature |
| Accessories |
| 30 001 000 |
3.7GBq 137Cs gamma source |
| 20 081 000 |
Aluminium block field check jig |
| 20 070 000 |
Natural-gamma API calibrator without
source |
| 30 010 000 |
3.7MBq 137Cs source for natural
gamma calibrator |
