E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/30
E21B 43/28 (2006.01) C01D 3/08 (2006.01)
Patent
CA 1113376
Abstract of the Disclosure Disclosed is a method of increasing the solution mining rate of potassium chloride from a cavity in a subterranean ore deposite containing potassium chloride and sodium chloride, in which cavity ore has been rubblized to effect a large contact surface area, by (1) solution mining the ore rubble at a first temperature for a time sufficient to determine the mining rate at Chat temperature; (2) increasing the temperature of the cavity solution to a temperature determined to be near the highest temperature at which the invariant composition is achievable at the solvent dissolving rate; and (3) solution mining the ore at the higher temperature.
338934
Borden Ladner Gervais Llp
Ppg Industries Canada Ltd.
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