Dual-function additives for enhancing fluid loss control and stabilizing viscoelastic surfactant fluids
US7727935B2 · kind B2 · utility
5Cited by
25References
14Claims
0Family size
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Key dates
| Filing date | Dec 29, 2006 |
| Grant date | Jun 1, 2010 |
| Priority date | — |
| Expiry date | Jul 9, 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.