Polymer-enhanced surfactant flooding for permeable carbonates
US9284480B2 · kind B2 · utility
5Cited by
15References
7Claims
0Family size
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Key dates
| Filing date | Oct 4, 2011 |
| Grant date | Mar 15, 2016 |
| Priority date | — |
| Expiry date | May 12, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/584
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method for increasing oil production in a carbonate reservoir by incorporating a saline solution injection including a saline soluble surfactant and a saline soluble polymer. The method provides for increased oil production as compared to conventional waterflooding techniques.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.