Process for the solution mining of a mineral
Patent 4258954 Issued on March 31, 1981. Estimated Expiration Date: 
July 20, 1998. 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.
July 20, 1998. 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 2896930 3574599 3713698 3860289 3915499 InventorAssigneeApplicationNo. 05/926597 filed on 07/20/1978US Classes:299/4Input and output wellsExaminersPrimary: Purser, Ernest R.Attorney, Agent or FirmInternational ClassesE21B 43/00 (20060101)E21B 43/28 (20060101) AbstractThe present invention relates to an improved method for the solution mining of a mineral from a subterranean formation. More specifically, the invention relates to an improved method which enhances significantly the recovery of the mineral from a mature subterranean formation via solution mining. The improvement comprises increasing the flow rate of leachant into the formation by at least a factor of two. | |
