Reducing the permeability of a rock formation
US4817721A · kind A · utility
137Cited by
15References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1987 |
| Grant date | Apr 4, 1989 |
| Priority date | — |
| Expiry date | Dec 14, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/5086
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Permeability of a highly permeable zone in a subterranean formation is reduced by injecting into the formation a polymerizable material which expands on polymerization, and thereafter effecting such polymerization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.