Methods for obtaining bitumen from bituminous materials

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United States of America Patent

PATENT NO 9023197
APP PUB NO 20130026076A1
SERIAL NO

13557503

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Abstract

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A method of extracting bitumen from bituminous material. In some embodiments, the method may include loading a bitumen material in a column, followed by feeding a first quantity of solvent into the column. The method may also include collecting the bitumen-enriched solvent exiting the column. A quantity of the bitumen-enriched solvent may then be fed into the column. In some embodiments, the method may include simultaneously loading bitumen material and a solvent in a column, followed by feeding additional solvent into the column. The method may also include collecting bitumen-enriched solvent exiting the column, and feeding a quantity of the bitumen-enriched solvent into the column.

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Patent Owner(s)

Patent OwnerAddress
CANADIAN NATURAL UPGRADING LIMITED100 855 2 STREET SW CALGARY ALBERTA T2P 4J8 CANADA

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoffman, Cherish M Reno, US 9 57
Kift, Julian Reno, US 22 216
Thompson, Whip C Reno, US 10 64

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