Oxygen scavenger compositions for completion brines
US9040466B2 · kind B2 · utility
3Cited by
12References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 4, 2013 |
| Grant date | May 26, 2015 |
| Priority date | — |
| Expiry date | Mar 4, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC23F11/142
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An oxygen scavenger for completion brines effective and stable in high temperature subterranean formations. In one embodiment, the scavenger contains erythorbate and alkylhydroxlyamine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.