Mining of sulphur

Details Mining of sulphur Mining of sulphur

1979-01-17

1981-02-10

Pate, III, William F.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Input and output wells

299 6, E21B 4328

Patent

active

042497752

ABSTRACT:
A method of mining sulphur from an underground deposit overlying a soluble salt layer, wherein spaced parallel rows of repression boreholes and depression boreholes are drilled to penetrate into the salt layer, production boreholes are provided in a row intermediate the repression and depression boreholes, hot water or brine is introduced to the salt layer through the repression boreholes to create a superheated salt solution which is directed into the sulphur deposit, brine is pumped out through the depression boreholes thereby causing a flow of hot brine through the sulphur deposit from the repression to the depression boreholes which melts and entrains sulphur, and this molten sulphur is pumped up through the production boreholes. Hot water or brine is also introduced through the production boreholes to keep sulphur filters at the lower ends of the production boreholes clear.

REFERENCES:
patent: 1602475 (1926-10-01), Andrews
patent: 1750136 (1930-03-01), Schroeder
patent: 2137619 (1938-11-01), Lee
patent: 2808248 (1957-10-01), Prokop et al.
patent: 2896932 (1959-07-01), Marquis
patent: 3205012 (1965-09-01), Dancy

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