Recovery of bitumens by imbibition flooding

Details Recovery of bitumens by imbibition flooding Recovery of bitumens by imbibition flooding

E - Fixed Constructions

21

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E21B 43/00 (2006.01) E21B 43/16 (2006.01) E21B 43/28 (2006.01) E21B 43/34 (2006.01)

Patent

CA 1056718

RECOVERY OF BITUMENS BY IMBIBITION FLOODING (D#73,004- F) ABSTRACT OF THE DISCLOSURE A method for recovering bitumen from tar sand deposits by imbibition flooding at ambient temperature wherein the bitumen is sequentially contacted with a paraffin liquid hydrocarbon followed by a soak period to allow imbibition of the solvent, after which the bitumen and solvent mixture is produced, and the cycle is repeated. -I-

251504

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