CPC C09K 8/592 (2013.01) [C10G 1/045 (2013.01); C10G 1/047 (2013.01); E21B 43/2406 (2013.01)] | 9 Claims |
1. A method for recovering bitumen from oil sands, comprising:
contacting the bitumen in the oil sands with (i) steam, water, or both steam and water, and (ii) an organic polyamine having more than two and up to eight amino groups and having a boiling point at one atmosphere of greater than 145° C. and up to 446° C.
reducing the viscosity of the bitumen with the (i) steam, water, or both steam and water, and (ii) organic polyamine; and
recovering the bitumen with the reduced viscosity from the oil sands.
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