Method of dewatering a subterranean space, especially a mine
US4986696A · kind A · utility
12Cited by
6References
6Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Nov 22, 1988 |
| Grant date | Jan 22, 1991 |
| Priority date | — |
| Expiry date | Nov 22, 2008 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21F17/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of dewatering a subterranean space, especially a mine, comprising artificially tapping a water storage zone or collecting water of imbibition and flooding a refill zone, which is separated from said subterranean space by an impermeable seam, with said water through the use of a subterranean pumping station and at least one refill boring, wherein each refill zone is directly flooded with said water from said subterranean space without said water being raised to the surface and then reintroduced to said refill zone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.