Survey equipment
The EM & Seismic team owns a variety of survey equipment. Often, multiple techniques are applied in order to characterise a target. The combination of methods is dependent on the desired outcome as well as geological and petrophysical conditions in the survey area. The teams specialises in integrating ground and airborne electromagnetic datasets.
Inquiries about survey methods and equipment should be directed to Kevin Cahill (+618) 6436 8673.
| Survey domain | Geophysical method | Instruments | Depth of investigation |
|---|---|---|---|
| Water | NMR (Downhole) | Down hole: 44 and 89 mm diameter tools 220 m cable length | Radius of measurement – 23-25 cm and 27-38 cm |
| NMR (Surface) | Surface wire loop | Variable: 100-150 m (maximum) | |
| TEM | NanoTEM | Variable: to 150m (maximum) | |
| d.c. resistivity | ZZ Resistivity meter | ||
| Petrophysical logging | Mt Sopris 43 mm spectral γ and induction logs1 | Winch has 480 m cable | |
| Minerals | TEM | NanoTEM
SmartTEM2 WalkTEM LoupeTEM |
<150m
<500m <500m <150m |
| Resistivity / IP | ZZ Resistivity meter | ||
| Petrophysical logging | Mt Sopris 43 mm spectral γ and induction logs1 | Winch has 480 m cable | |
| Geotechnical | Passive seismic | Tromino sensors (19) | |
| Miscellaneous | Omnistar and Trimble GPS units are routinely used to locate surveys |
Notes
- The tool operates in spectral γ (individual counts of K, Th, U) mode. Operation in spectral γ mode slows the tool to approx 2-3 m/min.
- The SmartTEM can be employed with a ZT-30 transmitter, TEM-3 receiver coil