Method of recovery of oil and bitumen from oil-sands and oil...

Details Method of recovery of oil and bitumen from oil-sands and oil... Method of recovery of oil and bitumen from oil-sands and oil...

C - Chemistry, Metallurgy

10

G

196/25

C10G 1/04 (2006.01)

Patent

CA 1062188

ABSTRACT A method of recovering oil from oil sands, wherein the system is operated without the need of water or in general even of heat, at least in appreciable quantities. The subject method includes providing crushed ore, crushed preferably to particulate size, on a perforate bed or support and then spray- ing the so-crushed oil sands ore with a selected solvent at from 1-100 psi gauge pressure such that an oil-containing solution can be collected beneath such support. Thereafter, the oil is recovered by vaporizing the solvent and thereafter condensing the solvent for re-use. Upon vaporization of the solvent, the oil and lighter fractions remain and can be introduced into a refinery or distillation column for recovering desired fractions from the recovered oil or bitumen and also for producing a separate fraction so that the same can be used as an energy source to supply the necessary heat required as well as power for the mechanical equipment used.

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