Olefin sulfonate-improved steam foam drive
US4393937A · kind A · utility
61Cited by
6References
29Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 25, 1981 |
| Grant date | Jul 19, 1983 |
| Priority date | — |
| Expiry date | Mar 25, 2001 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A steam foam drive process for displacing oil within a subterranean reservoir is improved by injecting into the reservoir a steam-foam-forming mixture of steam, and an olefin sulfonate-containing surfactant component.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.