Method for clay stabilization with quaternary amines
US5097904A · kind A · utility
70Cited by
8References
14Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 28, 1991 |
| Grant date | Mar 24, 1992 |
| Priority date | — |
| Expiry date | Feb 28, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/60
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of treating a clay-containing subterranean formation with an aqueous fluid is disclosed. The method features the use of quaternary ammonium compounds as additives to control formation damage caused by contacting the formation with the aqueous fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.