Wellbore treatment with hydrocarbon-responsive fluid containing oligomeric viscoelastic surfactant
US7858563B2 · kind B2 · utility
6Cited by
43References
18Claims
0Family size
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Key dates
| Filing date | Jan 14, 2010 |
| Grant date | Dec 28, 2010 |
| Priority date | — |
| Expiry date | Jan 14, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A treatment of a subterranean formation which contains a hydrocarbon-bearing zone, is carried out using a hydrocarbon-responsive fluid thickened with an oligomeric surfactant consisting of from 2 to 8_linked surfactant monomer subunits. The process of treatment comprises
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.