Experimental and economic analysis of the thermal solvent...

Details Experimental and economic analysis of the thermal solvent... Experimental and economic analysis of the thermal solvent...

E - Fixed Constructions

21

B

E21B 43/241 (2006.01) C10G 1/04 (2006.01) E21B 43/24 (2006.01) B03B 9/02 (2006.01)

Patent

CA 2627424

Several partially scaled laboratory model experiments were conducted to evaluate a hybrid solvent-steam process for recovery of heavy oil or bitumen. All experiments used Athabasca UTF bitumen, and modeled a 30 meter thick formation. The experiments were compared using a common set of economic assumptions. The experiments showed that a hybrid solvent-steam process could recover bitumen at steam-oil ratios much lower than those observed for SAGD, and achieve reasonable ultimate oil recovery (60% IOIP). The economic analysis based on experiments indicated that a hybrid solvent-steam process could be more cost-effective than SAGD for a 30 m Athabasca formation.

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