Method of continuous dissolution of polyacrylamide emulsions for enhanced oil recovery (EOR)
US8383560B2 · kind B2 · utility
82Cited by
15References
9Claims
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Key dates
| Filing date | Jul 20, 2010 |
| Grant date | Feb 26, 2013 |
| Priority date | — |
| Expiry date | Mar 9, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/25
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Enhanced oil recovery method consisting in continuously dissolving, in the injection water, a stable invert emulsion of acrylamide (co)polymer containing at least one inverting agent, and a water soluble polymer, whereby:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.