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U.S. Department of Energy
Office of Scientific and Technical Information

Process for extracting bitumen from tar sands

Patent ·
OSTI ID:5353830
This invention provides a process for the recovery of bitumen from mined tar sands that comprises admixing mined tar sands with a hydrocarbon liquid such as light crude oil or a mixture of light crude oils from a nearby reservoir thereby obtaining a bitumen-hydrocarbon mixture mixed with sand, separating the bulk of said bitumen-hydrocarbon mixture from the sand as a liquid, and recovering the remainder of the bitumen-hydrocarbon mixture using chemical waterflooding techniques.
Assignee:
Mobil Oil Corp.
Patent Number(s):
US 4512872
OSTI ID:
5353830
Country of Publication:
United States
Language:
English