Additive for enhanced oil recovery
US12091609B2 · kind B2 · utility
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17References
6Claims
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Key dates
| Filing date | Aug 15, 2019 |
| Grant date | Sep 17, 2024 |
| Priority date | — |
| Expiry date | Sep 12, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A method of enhanced oil recovery that includes injecting a composition including an hyperbranched polyglycerol into an injection well in a subterranean oil-bearing reservoir, the hyperbranched polyglycerol being a primary alcohol that is a reaction product of a C2 to C25 carbon alcohol and a plurality of glycidols; and displacing oil in the subterranean oil-bearing reservoir using the composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.