Method of downhole hydraulicking of mineral resources

Details Method of downhole hydraulicking of mineral resources Method of downhole hydraulicking of mineral resources

1989-02-16

1990-03-06

Novosad, Stephen J.

Mining or in situ disintegration of hard material

Processes

Breaking down by direct contact with fluid

299 18, F21C 4500

Patent

active

049060481

ABSTRACT:
The method of downhole hydraulicking of mineral resources consists in sinking main holes, fitting the main holes with casings down to a depth below a lower boundary of a pay-out bed, installing an apparatus for hydraulicking mineral resources in each main hole, breaking rock and forming cavities in a bedrock by a jet from a monitor provided in the apparatus for hydraulicking mineral resources. Auxiliary holes are sunk each above a face of each cavity, using a drilling tool, down to the cavity so that the mineral enters the cavity from the auxiliary hole as soon as the drilling tool is withdrawn therefrom. Pulp is lifted to the surface through the main holes until overburden rock is identified in the pulp.

REFERENCES:
patent: 3880470 (1975-04-01), Davis
patent: 3951457 (1976-04-01), Redford
patent: 4092045 (1978-05-01), Sullivan

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