Method and apparatus for fracturing rock or similar material

Details Method and apparatus for fracturing rock or similar material Method and apparatus for fracturing rock or similar material

E - Fixed Constructions

21

B

E21B 43/26 (2006.01) E21C 37/04 (2006.01)

Patent

CA 2212993

A method and apparatus for fracturing rock and similar material having a pre-drilled hole in the material to be fractured. The method includes filling the hole with an aggregate of friable material and impacting the aggregate with a force sufficient to crush a portion of the aggregate proximate a point of impact into crushed material. The crushed material transfers the force of the impact to the sides of the hole so as to fracture material surrounding the hole.

Méthode et appareil de fracturation de la roche et d'autre matériau semblable où un trou a été foré au préalable. La méthode consiste à remplir le trou de forage au moyen d'un agrégat constitué d'un matériau friable et à percuter l'agrégat avec suffisamment de force pour en broyer une partie à proximité d'un point d'impact dans le matériel broyé. Ce dernier transfère la force de l'impact aux parois du trou ce qui provoque la fracturation du matériel entourant le trou.

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