Method for recovering crude oil from a subterranean formation utilizing a polyphosphate ester
US7608571B2 · kind B2 · utility
14Cited by
161References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 12, 2008 |
| Grant date | Oct 27, 2009 |
| Priority date | — |
| Expiry date | Jun 12, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/885
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An aqueous fluid useful for the recovery of crude oil from a subterranean formation, including water and one or more organophosphorus materials and methods for using same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.