Retrogressively in-situ ore body chemical mining system and meth

Details Retrogressively in-situ ore body chemical mining system and meth Retrogressively in-situ ore body chemical mining system and meth

1978-07-20

1980-09-09

Purser, Ernest R.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

166271, E21B 4328

Patent

active

042214335

ABSTRACT:
An improved in-situ ore body chemical-mining system and method are disclosed, whereby it is practicable to mine an ore body of substantially horizontally extended configuration which would otherwise be uneconomical because of adverse overhead or overburden conditions. Beginning adjacent the distal ends of two or more generally horizontally drilled and substantially parallel bore holes which are drilled into the ore body from an elevation substantially similar to that of the ore body, a combination of permeabilizing and mining processes are applied to the body of ore circumjacent the horizontal penetration. The permeabilizing and mining processes are retrogressively applied to successive blocks of the ore body retreating by stages from the distal region of the penetration towards the entry region thereof.

REFERENCES:
patent: 2788956 (1957-04-01), Pevere et al.
patent: 2818240 (1957-12-01), Livingston
patent: 3223158 (1965-12-01), Baker
patent: 3415321 (1968-12-01), Venghiattis
patent: 3441316 (1969-04-01), Hannifan et al.
patent: 3822916 (1972-11-01), Jacoby
patent: 3873156 (1975-03-01), Jacoby
patent: 3915499 (1974-07-01), Mallon et al.

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