High temperature stable gels
US5246073A · kind A · utility
112Cited by
19References
60Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 31, 1992 |
| Grant date | Sep 21, 1993 |
| Priority date | — |
| Expiry date | Aug 31, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S526/932
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Gels stable in a subterranean formation at a temperature greater than about 175.degree. F. are formed using, inter alia, a stabilizing agent (e.g., a buffer having a buffering capacity at a pH of at least about 8 and/or a chelating agent).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.