Gas flooding processing for the recovery of oil from subterranean formations
US4860828A · kind A · utility
16Cited by
22References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 1, 1988 |
| Grant date | Aug 29, 1989 |
| Priority date | — |
| Expiry date | Jun 1, 2008 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/936
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
In a gas flooding or miscible gas flooding operation, the sweep efficiency of the gas is improved using a mixture of an alkylated diphenyl sulfonate and an alpha-olefin sulfonate as the surfactants in a mobility control fluid or diverter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.