Surfactant compositions for steamfloods
US4820429A · kind A · utility
10Cited by
5References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1987 |
| Grant date | Apr 11, 1989 |
| Priority date | — |
| Expiry date | Jun 2, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention is an improved surfactant composition useful for providing improved production of oil, or displacing oil within the pores of an oil-containing reservoir under steamflood conditions comprises a synergistic mixture of an .alpha.-olefin sulfonate and an alkylated diphenyl oxide sulfonate component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.