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IP38: Induced Polarisation

The formations surrounding the borehole are subjected to an alternative square-wave voltage applied via the upper and lower injection electrodes. Following each injection cycle, the resulting potential difference over a section of the formations is analysed as it decreases with time. The form of this decreases curve is related to the chargeability of the formations.

A high chargeability indicates that induced electrochemical potentials are able to develop within the formations as a result of ion transfer between pore fluids and semi-conductive metallic mineral grains present within the rocks.

The IP38 probe is particularly suitable for mining exploration in the context of a disseminated sulphide mineralisation. In the hydrogeological domain, it can also provide qualitative information about the permeability of potential aquifer horizons.

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IP38 SPECIFICATIONS

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Technical Specifications

Diameter : 38 mm

Length : 2790 mm

Max. Temp : 200 bar

Pressure : 200 bar

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Sensors Parameters

 Measuring range : SPR 010,000 ohm.m

Measuring range : IP ratio A/B (mV/V)

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Options And Accessories

Gamma ray sensor: ø25 x 50 mm NaI(Tl) crystal

Transport case

IP38 GALLERY

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