Coalbed methane recovery using pressure swing adsorption separation
US5388643A · kind A · utility
288Cited by
19References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 3, 1993 |
| Grant date | Feb 14, 1995 |
| Priority date | — |
| Expiry date | Nov 3, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/006
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method is disclosed for using a pressure swing adsorption separator system to provide an oxygen-depleted gaseous effluent for injecting into a suitable solid carbonaceous subterranean formation, such as a coalbed, to enhance the recovery of methane from the formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.