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Class Information
Number: 405/58
Name: Hydraulic and earth engineering > Fluid control, treatment, or containment > Fluid storage in earthen cavity > Cavity construction > Earth treatment > Dissolving earth
Description: Method or apparatus wherein the reservoir or storage chamber is formed by disintegrating earthen material, usually by contacting the material with a solvent.

Patents under this class:

Patent Number Title Of Patent Date Issued
7156579 Manufactured caverns in carbonate rock Jan. 2, 2007
7097386 Simultaneous development of underground caverns and deposition of materials Aug. 29, 2006
6820696 Petroleum production utilizing a salt cavern Nov. 23, 2004
6688702 Borehole mining method Feb. 10, 2004
5957539 Process for excavating a cavity in a thin salt layer Sep. 28, 1999
5669734 Process for making underground storage caverns Sep. 23, 1997
5346330 Method of yielding oil residues or oil containing liquids from contaminated ground layers Sep. 13, 1994
5310282 Hydrocarbon recovery from drilling mud stored in salt cavity May. 10, 1994
5199501 Drilling or chiseling tool with suction apparatus Apr. 6, 1993
5141057 Safety sleeve for a borehole communicating with an underground reserve of fluid under pressure, and associated safety system, and an associated borehole operating method Aug. 25, 1992
H614 Method to connect drill holes utilizing signalling devices Apr. 4, 1989
4626131 Underground liquid storage system and method Dec. 2, 1986
4596490 Underground storage chambers and methods therefore Jun. 24, 1986
4488834 Method for using salt deposits for storage Dec. 18, 1984
4282444 Method for deep shaft pumpback energy generation Aug. 4, 1981
4249833 Method of depressurizing a leached salt cavern Feb. 10, 1981
4192555 Method of disposing solid sodium chloride while selectively solution mining potassium chloride Mar. 11, 1980
3966541 Concentration of underground brines in situ by solar evaporation Jun. 29, 1976

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