Injection fluids for oil recovery and methods of making and using the same
US10883040B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Oct 23, 2017 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Dec 7, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/16
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Viscous aqueous injections fluids including polymers having hydrophilic moieties and hydrophobic groups and at least one of crude oil emulsions and amphiphilic diblock copolymers are provided herein. Methods of making the aqueous injection fluids, and methods of using the aqueous injection fluids for oil recovery are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.