Aqueous viscoelastic fluid
US7036585B2 · kind B2 · utility
46Cited by
10References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 13, 2002 |
| Grant date | May 2, 2006 |
| Priority date | — |
| Expiry date | Sep 19, 2022 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The invention concerns an aqueous viscoelastic fluid for use in the recovery of hydrocarbons. According to the invention this fluid comprises a first viscoelastic surfactant and a second surfactant able to decompose under downhole conditions to release a compound itself able to reduce the viscosity of the aqueous viscoelastic fluid.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.