Laboratory measurement of hydraulic conductivity of rocks from Lakeview borehole

This paper presents laboratory test methods for measuring hydraulic conductivity (k) of low permeability rocks. The methods described include tests for vertical (k(v)) and radial (k(r)) flow measurements under both convergent and divergent flow conditions. Experimental tests performed on rock samples from a deep borehole drilled in Southern Ontario, Canada using these methods indicate that they performed satisfactorily in measuring k values ranging from 1.1 X 10(-12) to 3.8 x 10(-9) cm/s in reasonably short periods of 3 to 5 days. The results further suggest that the limits of these tests approach 10(-12) cm/S.