Process for preventing or remediating trithiazine deposition in high H2S wells
US8596364B2 · kind B2 · utility
1Cited by
8References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 1, 2008 |
| Grant date | Dec 3, 2013 |
| Priority date | — |
| Expiry date | Jan 28, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for treating a wellbore in a hydrogen sulfide-containing formation that includes injecting a first slug in the wellbore, the first slug comprising: at least one of primary amine and ammonia; and a base fluid; injecting a second slug in the wellbore, the second slug comprising: a triazine scavenger; and a base fluid; and allowing the triazine scavenger to react with the hydrogen sulfide is disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.