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Electrical properties system @ ambient conditions (EPS-A)

The EPS A determines at ambient conditions, rock and brine resistivity for both fully and partially brine saturated core samples.The data obtained from this device can be utilized to derive Formation factor, cementation exponent m, resistivity index and Archie saturation exponent n and also aid depth adjustment in a drilling or wireline log. The apparatus can be operated with either two or four electrodes. Platens press against the core end faces with a constant contact pressure. This mechanism minimizes contact resistance artefacts which are often found when a screw or jack mechanism is used to load the sample onto the electrode platens. Two electrodes are clamped around the circumference of the core sample. The core holder is provided with a plastic cover box to isolate the sample being tested from the external environment therefore preserving the saturation profile.

FEATURES :

Core diameter : 1" and 1.5"
Core Length : up to 3"
Resistivity measurement : 2 and 4 electrodes
Max pressure : Atmospheric
Temperature : Room condition
Power supply : 110-220 VAC, 50 or 60 Hz
Air : 150 psi