Method of recovering oil or bitumen by injection of a...

Details Method of recovering oil or bitumen by injection of a... Method of recovering oil or bitumen by injection of a...

E - Fixed Constructions

21

B

E21B 43/16 (2006.01) E21B 43/24 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2691399

The present invention relates to a method for the recovery of heavy oil or bitumen contained in a geological reservoir (1) comprising: a) a step of injecting an oil extraction fluid into the reservoir, b) a step of producing the heavy oil or bitumen extracted, and c) a step of injecting a diverting agent to limit the circulation of said extraction fluid into the part of the reservoir from where the heavy oil or bitumen has been extracted.

The present invention relates to a method for the recovery of heavy oil or bitumen contained in a geological reservoir (1) comprising: a) a step of injecting an oil extraction fluid into the reservoir, b) a step of producing the heavy oil or bitumen extracted, and c) a step of injecting a diverting agent to limit the circulation of said extraction fluid into the part of the reservoir from where the heavy oil or bitumen has been extracted. La présente invention concerne une méthode pour la récupération d'huile lourde ou de bitume contenu dans un réservoir géologique (1) comprenant : a) une étape d'injection dans le réservoir d'un fluide d'extraction de l'huile, b) une étape de production de l'huile lourde ou du bitume extrait, et c) une étape d'injection d'un agent de diversion pour limiter la circulation dudit fluide d'extraction dans la partie du réservoir d'où l'huile lourde ou le bitume a été extrait.

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