Surfactant compositions useful in enhanced oil recovery processes
US4532051A · kind A · utility
18Cited by
6References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 14, 1983 |
| Grant date | Jul 30, 1985 |
| Priority date | — |
| Expiry date | Nov 14, 2003 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Surfactant compositions comprising: PA0 (1) an alkylated, diaromatic sulfonate, PA0 (2) a petroleum sulfonate, PA0 (3) a condensation product of an alkanol and an alkylene oxide, or a sulfate of such a condensation product, and PA0 (4) a glycol ether are useful in enhanced oil recovery processes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.