Mining method for co-extraction of non-combustible ore and mine methane
US8740310B2 · kind B2 · utility
1Cited by
12References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2009 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Sep 14, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21C41/22
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for co-extracting non-combustible ore (e.g., trona) and methane from an underground formation comprising at least one methane-bearing layer and a non-combustible ore bed having a rock roof, comprising:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.