EM Induction Sonde
Provides logs in low conductivity mud, air-filled and plastic lined boreholes. Performance is best in higher conductivity formations. The Dual Induction configuration allows for a deep and medium penetration differentiating between invaded and uninvaded zones. Probes can be used on their own or in combination with other Geovista sondes

Specifications:
Single Induction Dual Induction
Weight: 6.5 kg 7.5 kg
Length: 1.83 m 1.85 m
Diameter: 43 mm 43 mm
TX-RX Spacings: 39” 24” & 32”
Operating frequency: 39 kHz 25 kHz
Conductivity Range: 3 to 3000 mmho 3 to 3000 mmho
Max. Pressure: 20MPa -
Max. Temp.: 80ºC -

Induced Polarisation Sonde
The Geovista IP sonde measures apparent formation chargeability to detect the presence of disseminated ore bodies. In addition, an SP curve can also be
recorded to help locate massive ore bodies.

Specifications:
Diameter: 42 mm / Length: 1.8 m / Weight: 7.0 kg
Method of measurement: Time Domain with 220 ms cycle time
Electrode spacing: 40 cm spacing, in Wenner array configuration
Max. Temp. 80º C
Max. Press. 20M Pa

Magnetic Susceptibility Sonde
This is a two coil EM induction sonde designed to measure formation conductivity and magnetic susceptibility.

Specifications:
Diameter: 36 mm / Length: 2.0 m /Weight: 6.5 kg
TX to RX spacing: 85 cm
Apparent Susceptibility range: 0 to 7000 mS/m
Apparent Conductivity range: 0 to 90 x 10-3 SI units
Max. Temp. 50ºC
Max. Press. 10M Pa