High density breaker fluids and methods of use thereof
US8770296B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 4, 2009 |
| Grant date | Jul 8, 2014 |
| Priority date | — |
| Expiry date | Dec 12, 2030 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/24
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A wellbore fluid that includes an aqueous base fluid; a chelating agent; and at least one enzyme, wherein the wellbore fluid has a pH of at least 6.5 is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.