Acrylonitrile-based sulfur scavenging agents and methods of use in oilfield operations
US9896616B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Dec 23, 2014 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Dec 23, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K2208/32
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Composition for the removal or inactivation of hydrogen sulfide or other species comprising ionizable sulfur (e.g., mercaptans, thiols, etc.) using compositions containing acrylonitrile and/or derivatives thereof are provided. Methods for the removal or inactivation of hydrogen sulfide or other sulfur species in oilfield sites and other related applications using compositions containing acrylonitrile and/or derivatives thereof are provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.