Polyelectrolyte complexes for oil and gas applications
US8372786B2 · kind B2 · utility
21Cited by
13References
77Claims
0Family size
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Key dates
| Filing date | Sep 22, 2009 |
| Grant date | Feb 12, 2013 |
| Priority date | — |
| Expiry date | Sep 22, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S507/902
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A polyelectrolyte complex for the controlled release of an oil and gas field chemical selected from the group consisting of (a) a gel-forming or cross-linking agent, (b) a scale inhibitor, (c) a corrosion inhibitor, (d) an inhibitor of asphaltene or wax deposition, (e) a hydrogen sulfide scavenger, (f) a hydrate inhibitor, (g) a breaking agent, and a surfactant.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.