Hydraulic fracturing of ore bodies

Details Hydraulic fracturing of ore bodies Hydraulic fracturing of ore bodies

E - Fixed Constructions

21

C

E21C 41/00 (2006.01) E21C 37/12 (2006.01) E21C 41/16 (2006.01)

Patent

CA 2263243

The specification discloses a method of mining that makes use of hydraulic fracturing. The method comprises fracturing an ore body hydraulically by introducing fluid rapidly into a bore or fissure in the ore body such that pressure in the bore or fissure builds up rapidly and it fractures. This enables the ore body to cave into a suitable space such as an undercut from which the ore can then be recovered. The method is particularly useful in block caving as a replacement for explosives.

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