Method of recovering oil and producing produced water that is concentrated and dried by a double drum dryer
US9127540B2 · kind B2 · utility
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29Claims
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Key dates
| Filing date | Feb 8, 2013 |
| Grant date | Sep 8, 2015 |
| Priority date | — |
| Expiry date | Jan 17, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC02F2103/10
- WIPO fieldEnvironmental technology
- WIPO sectorChemistry
Abstract
A method of treating concentrated produced water derived from a steam assisted gravity discharge oil recovery process is described. The method includes utilizing a double drum dryer to dry a concentrated slurry and produce a dried concentrate for deposition in a landfill.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.