Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids
US7718584B2 · kind B2 · utility
4Cited by
25References
14Claims
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Key dates
| Filing date | Dec 29, 2006 |
| Grant date | May 18, 2010 |
| Priority date | — |
| Expiry date | Jun 22, 2028 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Among many things, in some embodiments, dual-function additives that enhance fluid loss control and the stability of viscoelastic surfactant fluids, and their associated methods of use in subterranean formations, are provided. In one embodiment, the methods comprise: providing a viscoelastic surfactant fluid that comprises an aqueous base fluid, a viscoelastic surfactant, and a dual-function additive that comprises a soap component; and introducing the viscoelastic surfactant fluid into at least a portion of a subterranean formation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.