E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/39
E21B 43/24 (2006.01) E21B 36/02 (2006.01) F22B 1/26 (2006.01)
Patent
CA 1170175
METHOD AND APPARATUS FOR PRODUCING A HIGH PRESSURE THERMAL VAPOR STREAM Abstract A method and apparatus for producing a high pressure thermal vapor stream of water vapor and-combustion gases for recovering heavy viscous petroleum from a subterranean formation, wherein the method includes directing high pres- sure combustion gases into a partially water-filled vapor generator vessel for producing therein a high pressure stream of water vapor and combustion gases, and thereafter injecting high quality steam into the high pressure stream of water vapor and combustion gases within the vapor gener- ator vessel to increase the steam-to-combustion gas ratio of the discharge stream produced within the vapor generator vessel, and thereafter flowing the discharge stream into a subterranean formation for enhanced recovery of viscous petroleum therefrom.
391696
Krajicek Richard W.
Sperry John S.
Carmel Energy Inc.
Riches Mckenzie & Herbert Llp
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