Method for recovering hydrocarbons
US11713660B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 14, 2019 |
| Grant date | Aug 1, 2023 |
| Priority date | — |
| Expiry date | Apr 13, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A20/131
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to methods for recovering hydrocarbons from subterranean formations. One such example embodiment injects a polymer solution into an upper layer of a subterranean formation and, likewise, injects an aqueous solution into a lower layer of the subterranean formation. Hydrocarbons displaced by at least one of the injected polymer and the injected aqueous solution are collected.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.