Method of fracturing a coalbed gas reservoir
US7819191B2 · kind B2 · utility
3Cited by
7References
37Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 7, 2007 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Jun 30, 2027 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02C20/40
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method for stimulation of gas production from coal seams is described using a permeability modifier, such as a coal swelling agent, injected into the coal seams via a wellbore to reduce the permeability of the coal seams prior to a fracturing treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.