Methods of improving heavy oil production

Details Methods of improving heavy oil production Methods of improving heavy oil production

E - Fixed Constructions

21

B

E21B 43/22 (2006.01) C09K 8/58 (2006.01) C10G 1/04 (2006.01) E21B 43/30 (2006.01)

Patent

CA 2494391

The invention provides an improved method for producing heavy oil or bitumen in a reservoir. The invention involves directing the formation of a solvent fluid chamber through the combination of directed solvent fluid injection and production at combinations of horizontal and/or vertical injection wells so as to increase the recovery of heavy oil or bitumen in a reservoir.

L'invention propose une méthode améliorée de production d'huiles lourdes ou de bitume dans un réservoir. Elle suppose la formation d'une chambre à fluide solvant par l'association de l'injection de fluide solvant dirigée et la production de puits d'injection à l'horizontale ou à la verticale afin d'accroître la récupération de l'huile lourde ou du bitume dans un réservoir.

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