Process for extracting bitumen from tar sands

Details Process for extracting bitumen from tar sands Process for extracting bitumen from tar sands

1983-05-18

1984-07-03

Gantz, Delbert E.

Mineral oils: processes and products

Products and compositions

Lubricating oils

208 8LE, C10G 104

Patent

active

044578270

ABSTRACT:
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.

REFERENCES:
patent: 3068167 (1982-12-01), White
patent: 3070541 (1962-12-01), Price
patent: 3362473 (1968-01-01), Foster
patent: 3553049 (1971-01-01), Savage et al.
patent: 4067796 (1978-01-01), Alford et al.
patent: 4068716 (1978-01-01), Allen
patent: 4071433 (1978-01-01), Hanson
patent: 4105570 (1978-08-01), Stournas et al.
patent: 4291765 (1981-09-01), Gilchrist et al.

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