| FEATURES |
| Small electrode spacing for high
resolution |
| Pad design minimises borehole effects |
| MEASUREMENTS |
| Focussed
microresistivity |
| Caliper |
| Natural
gamma |
| APPLICATIONS |
Engineering
Minerals
Water |
High-precision bed boundary and
thickness determination
Resolution of seam partings
Invasion profile (in combination with other resistivity methods) |
| OPERATING
CONDITIONS |
| Borehole type |
open-hole, water-filled |
| Centralisation |
excentralised with caliper arm. |
| SPECIFICATIONS |
| Diameter |
58mm |
| Length |
3.2m |
| Weight |
23kg |
| Max. temperature |
70ºC (extended range available) |
| Max. pressure |
20MPa (extended range available) |
| Resistivity range |
0.2 to 2000 ohm-m |
| Caliper range |
58mm to 400mm |
| Natural-gamma detector |
50mm x 25mm NaI(Tl) scintillation
crystal (larger sizes available) |
| SALES
INFORMATION |
| Probe |
| 25 059 000 |
Microresistivity probe including
natural gamma and caliper calibrator |
| Accessories |
| 20 074 000 |
Natural-gamma API calibrator without
source |
| 30 010 000 |
3.7MBq 137Cs source for natural
gamma calibrator |
