Foam-forming composition for steam assisted oil recovery
US11001744B2 · kind B2 · utility
1Cited by
20References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 10, 2017 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Nov 4, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C309/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention includes a foam-forming composition for use in enhanced heavy oil recovery, and a method of using said foam-forming composition for recovering heavy oil and/or bitumen. The foam-forming composition of the present invention comprises a mixture of (di)alkyl diphenyloxide (di)sulfonate compounds and the process of heavy oil recovery is performed at elevated temperatures using steam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.