Reducing sulfide in oil reservoir production fluids
US8573300B2 · kind B2 · utility
1Cited by
6References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 7, 2011 |
| Grant date | Nov 5, 2013 |
| Priority date | — |
| Expiry date | Jan 27, 2032 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K8/532
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Methods are provided for treating production fluid in an oil reservoir to reduce the amount of sulfide in the production fluid. The production fluid is treated with nitrate and/or nitrite ions in an aqueous solution that is added to an injection well that is in contact with the production well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.