Flooding fluid and enhancing oil recovery method
US8613318B2 · kind B2 · utility
0Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 4, 2010 |
| Grant date | Dec 24, 2013 |
| Priority date | — |
| Expiry date | Apr 21, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/588
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention relates to an enhancing oil recovery method by injecting into a subterranean oil formation an aqueous flooding fluid comprising at least one injecting galactomannan polymer substituted by at least one sulfonation agent. The invention also relates to an flooding fluid having better injectivity properties than existing flooding fluids.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.