Viscoelastic surfactant having multiple hydrophobic and hydrophilic groups as fracturing fluids
US9856413B2 · kind B2 · utility
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9Claims
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Key dates
| Filing date | Sep 6, 2013 |
| Grant date | Jan 2, 2018 |
| Priority date | — |
| Expiry date | Feb 7, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to viscoelastic fracturing fluids comprising one or more zwitterionic surfactants having multiple hydrophobic and hydrophilic groups. The viscoelastic fracturing fluids can be used to stimulate reservoir and increase oil and gas production.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.