Enhanced oil recovery methods and compositions
US12043795B2 · kind B2 · utility
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10References
7Claims
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Key dates
| Filing date | Oct 8, 2020 |
| Grant date | Jul 23, 2024 |
| Priority date | — |
| Expiry date | Oct 8, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Embodiments of the present disclosure are directed towards methods of enhanced oil recovery from a subterranean reservoir, the method includes co-injecting a gas and a foam formulation into the subterranean reservoir, wherein the gas comprises steam and the foam formulation comprises a sulfonate composition, a glycol compound, and water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.