Cryogenic coal bed gas well stimulation method
US5464061A · kind A · utility
8Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1994 |
| Grant date | Nov 7, 1995 |
| Priority date | — |
| Expiry date | Dec 14, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/2605
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Methane gas recovery from wells extending into subterranean coal seams is stimulated by treatment of near-wellbore coal seam with cryogenic liquid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.