Method and composition for removing filter cake
US7855168B2 · kind B2 · utility
119Cited by
4References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Dec 21, 2010 |
| Priority date | — |
| Expiry date | May 6, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/30
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The current disclosure describes a multifunctional fluid that addresses a new concept in the removal of filter cake. A composition is disclosed comprising: a carrier fluid, a surfactant, a fluorine source and an organic stabilizer able to minimize precipitation of fluorine The associated method to remove the filter cake is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.