Solvent process for bitumen separation from oil sands froth
US5876592A · kind A · utility
66Cited by
5References
3Claims
0Family size
Assignees
- Alterra Energy, LLC
- Canadian Occidental Petroleum Ltd.
- Esso Resources Canada Limited
- Gulf Canada Resources Limited
- HER MAJESTY THE QUEEN IN RIGHT OF CANADA AS REPRESENTED BY THE MINISTER OF NATUAL RESOURCES
- HBOG-Oil Sands Limited
- Pan Canadian Petroleum Limited
- PETRO-CANADA
- Mocal Energy Limited
- Murphy Oil Company Ltd.
Inventors
Key dates
| Filing date | May 18, 1995 |
| Grant date | Mar 2, 1999 |
| Priority date | — |
| Expiry date | May 18, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10G1/045
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A paraffinic solvent is mixed with bitumen froth containing water and solids. Sufficient solvent is added to induce inversion when the mixture is subjected to gravity or centrifugal forces. The emulsion reports to the water phase and a dry bitumen product is obtained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.