Device for borehole hydraulic mining

Details Device for borehole hydraulic mining Device for borehole hydraulic mining

1989-02-23

1990-06-19

Kisliuk, Bruce M.

Boring or penetrating the earth

With below-ground tool drive prime mover

With below-ground conveyer or impeller for removal of cuttings

175215, 175324, E21B 2112

Patent

active

049344668

ABSTRACT:
A device for borehole hydraulic mining includes a pipeline for delivering fluid into the hole accommodated inside a pipeline for bringing pulp to the surface and featuring a constant inside diameter along the entire length of this pipeline. The pipeline for delivering fluid into the hole carries a hydraulic jet. The device also has a hydraulic elevator with a fluid and pulp mixing chamber secured to the lower end of the pipeline for bringing pulp to the surface, and a nozzle secured to the lower end of the pipeline for delivering fluid into the hole. The fluid and pulp mixing chamber and the nozzle of the hydraulic elevator enclose the pipeline for drilling fluid into the hole with clearances allowed.

REFERENCES:
patent: 2018285 (1935-10-01), Schweitzer et al.
patent: 3951457 (1976-04-01), Redford
patent: 4134619 (1979-01-01), Bunnelle
patent: 4275926 (1981-06-01), Hodges
patent: 4296970 (1981-10-01), Hodges
patent: 4415206 (1983-11-01), Hodges
patent: 4718728 (1988-01-01), Hodges

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