Oil recovery process utilizing aromatic solvent and steam

Details Oil recovery process utilizing aromatic solvent and steam Oil recovery process utilizing aromatic solvent and steam

E - Fixed Constructions

21

B

31/14

E21B 43/24 (2006.01) C09K 8/592 (2006.01) E21B 43/22 (2006.01)

Patent

CA 1095226

ABSTRACT OF THE DISCLOSURE Petroleum may be recovered from viscous petroleum containing formations including tar sand deposits by first creating a fluid communication path in the formation, fol- lowed by injecting via an injection well an aromatic sol- vant such as benzene, saturated with carbon dioxide at the injection pressure into the fluid communication path, fol- lowing the injection of the solvent with the injection of an oil-displacing fluid such as hot water, steam, or superheated steam and recovering oil from the formation via a production well.

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