Acceleration of hydrocarbon gas production from coal beds
US5072990A · kind A · utility
8Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1990 |
| Grant date | Dec 17, 1991 |
| Priority date | — |
| Expiry date | Jul 12, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21F7/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A hot fluid is injected through an injection well into a coal seam to induce more rapid and complete desorption of methane therefrom and to cause desorbed methane to proceed toward a nearby production well in the coal seam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.