1
Edward C Rosar, Roger L Day: Nahcolite solution mining process. NaTec, The Dulin Law Firm, March 28, 1989: US04815790 (124 worldwide citation)

Nahcolite solution mining process comprising drilling at least one well into a Nahcolite bed, circulating hot barren aqueous liquor in a cavity in said Nahcolite bed for a time sufficient to produce a pregnant liquor having an increase in the concentration of NaHCO.sub.3 in the range of from about 3 ...


2
Edward C Rosar: Method and apparatus for solution mining. Jacques M Dulin, September 21, 1993: US05246273 (112 worldwide citation)

Evaporite mineral solution mining process and apparatus comprising the steps of undercutting a bed or massive deposit by in-air jetting with an aqueous solution followed by solution mining of the mineral above the undercut with monitoring and control to cease the solution mining when the roof rock i ...


3
Jacoby Charles H: Bedded underground salt deposit solution mining system. Akzona Incorporated, Bean & Bean, March 25, 1975: US3873156 (42 worldwide citation)

An improved system for coalescing the nether ends of a group of spaced-apart bore holes intersecting a bedded rock salt deposit, and for instituting and controlling progress of a solution-mining operation thereon. The invention is particularly useful in coalescing two or more bore holes extending in ...


4
Thomas H Neuman, Richard W Chastain: Solution mining of carbonate/bicarbonate deposits to produce soda ash. Tg Soda Ash, Trask Britt & Rossa, June 16, 1998: US05766270 (26 worldwide citation)

A solution mining process for recovering sodium values from an underground deposit of a sodium bicarbonate containing ore is disclosed. The process involves contacting the ore with an aqueous sodium carbonate-containing solution to produce a dilute brine which is stripped with steam to reduce the bi ...


5
Charles H Jacoby: Method for fragmenting underground formations by hydraulic pressure. Occidental Research Corporation, Christie Parker & Hale, August 16, 1983: US04398769 (20 worldwide citation)

An in situ leaching or solution mining process is conducted in a subterranean cavity in communication with a well bore. The subterranean cavity is gradually enlarged by inducing spallation of formation particles and/or collapse of the roof into the cavity by repeatedly cycling the hydraulic pressure ...


6
Rhoades Vaughan W: Uranium solution mining process. Cities Service Oil Company, January 30, 1973: US3713698 (18 worldwide citation)

One or more production wells are drilled and completed into a uranium bearing formation having a high water saturation. The water saturation is removed from the area within the uranium formation by injecting a slug of an oxidant through the production wells. A series of injection wells is completed ...


7
Rhoades Vaughan W: Uranium solution mining process. Dalco Oil Company, United States Steel Corporation, Krayer William L, February 19, 1974: US3792903 (17 worldwide citation)

An improved process wherein uranium is solution mined through the introduction of a first treated water solution into the uranium bearing formation in order to form a buffer zone about an injection well. Subsequent to buffer zone formation, uranium leaching solution, consisting essentially of an aqu ...


8
Vriezen Peter Bernard, Jamieson Andrew William, Van Namen Remo Paul: Blanket-medium/brine interface detection in a solution-mining process.. Shell Int Research, June 20, 1984: EP0111353-A2 (11 worldwide citation)

A downhole tool, to be used in a solution-mining process for detecting capacitively the position of a blanket-medium/brine interface in salt cavities, said tool being provided with a first means which is placed at a determined distance from another means, both means being adapted for capacitive meas ...


9
Thomas H Neuman, Richard W Chastain: Solution mining of carbonate/bicarbonate deposits to produce soda ash. Tg Soda Ash, Patrick C Baker, Trask Britt, June 26, 2001: US06251346 (9 worldwide citation)

A solution mining process for recovering sodium values from an underground deposit of a sodium bicarbonate containing ore is disclosed. The process involves contacting the ore with an aqueous sodium carbonate-containing solution to produce a dilute brine which is stripped with steam to reduce the bi ...


10
Elmar L Goldsmith: Preferential solution mining process. PPG Industries Canada, Richard M Goldman, Irwin M Stein, February 15, 1977: US04007964 (7 worldwide citation)

Disclosed is a method of preferentially solution mining potassium chloride from a stratified subterranean deposit of potassium chloride and sodium chloride where a plurality of strata are present in a single common solution mining cavity. According to an embodiment of the disclosed method, a first a ...