Virgin Rock Temperature Measurements

Enhance operational planning and safety with VRT measurements and assess rock heat flow. View Our Services

Enhance the operational planning and safety of your mine

At BBE, we specialize in Virgin Rock Temperature (VRT) measurements to assess heat flow from rock. Our capabilities include both borehole measurements to a depth of 1000 meters and in-situ measurements at known depths. Typically, borehole measurements are used to establish VRT gradients, while in-situ measurements are used to confirm them. For in-situ measurements, temperature sensors are inserted into a drilled hole on a freshly blasted rock face, with automatic data logging capturing temperature at set intervals. Borehole measurements involve lowering a temperature probe into a surface borehole to record temperatures at discrete intervals, enabling us to assess temperature changes with depth. Data analysis of both sets of measurements provides precise VRT insights specific to the location. After the measurement period, the collected data is processed and analyzed, culminating in a comprehensive technical report. This approach offers a detailed understanding of rock heat flow, contributing to enhanced operational planning and safety.

Benefits of conducting VRT measurements

Establishment and verification of thermal gradients used when predicting heat flow from rock

Improves accuracy of ventilation modelling and heat flow

Improved planning when establishing ventilation and refrigeration requirements

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