Method and apparatus for developing shafts using small...

Details Method and apparatus for developing shafts using small... Method and apparatus for developing shafts using small...

E - Fixed Constructions

21

D

E21D 1/00 (2006.01) E21C 41/16 (2006.01) E21D 1/03 (2006.01) E21D 7/02 (2006.01)

Patent

CA 2156566

A mining method and apparatus includes drilling two relatively small diameter shafts in proximity to each other, and operating a single hoisting system between the two shafts. The hoisting system includes a hoist that simultaneously moves first and second conveyances in opposite directions respectively in the first and second shafts.

Méthode et installation pour le forage de puits de relativement faible diamètre à proximité l'un de l'autre; la méthode fait appel à la mise en oeuvre d'un système de levage unique pour forer les deux puits. Le système de levage comporte un treuil qui commande le déplacement simultané des deux trains de forage dans des directions opposées.

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