US 4,906,048 AGranted

Method of downhole hydraulicking of mineral resources

OwnerNikolai I. Babichev, Viktor A. Dmitriev +2inventors

InventorsNikolai I. Babichev, Viktor A. Dmitriev, Grigory J. Abramov, Vladimir F. Paveliev

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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tool, down to the cavity so that the mineral enters the cavity from the auxiliary hole as soon as the drilling tool is withdrawn therefrom.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.

Claims4

Dependent claims

A method of downhole hydraulicking of mineral resources consisting in

sinking main holes to a depth below a lower boundary of a pay-out bed;
fitting casings into said main holes to a depth below the lower boundary of the pay-out bed;
placing in each said main hole an apparatus for hydraulicking mineral resources which incorporates a monitor and a means of lifting pulp to the surface;
feeding liquid into said main holes;
breaking bedrock in each said main hole;
forming cavities in the bedrock with the aid of a high-pressure jet from said monitor of said means of hydraulicking mineral resources;
sinking auxiliary holes, with the aid of drilling tools, so that each auxiliary hole is located above a face of said cavities and becomes connected to this cavity, whereby the mineral is admitted from the auxiliary holes into the cavities as soon as the drilling tools are withdrawn from the auxiliary holes.

4 more elements

Dependencies are inferred from the claim text.