Method for extracting bitumen from an oil sand stream
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United States of America Patent
Stats
-
Jun 21, 2016
Grant Date -
Dec 19, 2013
app pub date -
May 9, 2013
filing date -
May 10, 2012
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The present invention provides a method for extracting bitumen from an oil sand stream, the method including the steps of: (a) providing an oil sand stream; (b) contacting the oil sand stream with a liquid comprising a solvent thereby obtaining a solvent-diluted oil sand slurry; (c) separating the solvent-diluted oil sand slurry, thereby obtaining a first solids-depleted stream and a first solids-enriched stream; (d) filtering the first solids-enriched stream obtained in step (c), thereby obtaining bitumen-depleted sand and at least a first filtrate; (e) increasing the S/B weight ratio of at least a part of the first filtrate by combining it with a stream having a higher S/B weight ratio thereby obtaining a combined stream; and (f) separating the combined stream, thereby obtaining a second solids-depleted stream and a second solids-enriched stream.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2013 Application Filing Year
- C10G Class
- 765 Applications Filed
- 692 Patents Issued To-Date
- 90.46 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- C10G Class
- 0 % this patent is cited more than
- 9 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 21, 2027 |
