Method for clay stabilization with quaternary amines
US5197544A · kind A · utility
79Cited by
8References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 18, 1991 |
| Grant date | Mar 30, 1993 |
| Priority date | — |
| Expiry date | Dec 18, 2011 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/922
- 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.