U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Single well-multiple cavity solution mining of an inclined structure

Patent 4425003 Issued on January 10, 1984. Estimated Expiration Date: Icon_subject November 4, 2001. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2682396

2822158

3341252

Subterranean cavity chimney development for connecting solution mined cavities Patent #: 4290650
Issued on: 09/22/1981
Inventor: Thompson

Inventor

Assignee

Application

No. 06/318104 filed on 11/04/1981

US Classes:

299/5, Dissolving or chemical reaction166/50WELLS WITH LATERAL CONDUITS

Examiners

Primary: Purser, Ernest R.

Attorney, Agent or Firm

International Classes

E21B 43/00 (20060101)
E21B 43/30 (20060101)
E21B 43/28 (20060101)

Abstract

A method of solution mining a bed of soluble ore disposed in a sloping subterranean strata disposed beneath an insoluble stratum by developing contemporaneous multiple cavities through the same borehole.

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