Hydraulic fracturing fluid comprising a block copolymer containing at least one water-soluble block and one hydrophobic block
US6579947B2 · kind B2 · utility
33Cited by
3References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2001 |
| Grant date | Jun 17, 2003 |
| Priority date | — |
| Expiry date | May 28, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2438/03
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to a hydraulic fracturing fluid comprising an aqueous liquid, and a block copolymer containing at least one water-soluble block and one hydrophobic block and being particularly suited for use in high temperature ranges, greater than 180° C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.