Method and apparatus for producing a high pressure thermal vapor

Details Method and apparatus for producing a high pressure thermal vapor Method and apparatus for producing a high pressure thermal vapor

1981-04-13

1983-08-16

Novosad, Stephen J.

Wells

Processes

Heating, cooling or insulating

166 53, 166 57, 166 64, 166 79, 166250, E21B 3600, E21B 4324, E21B 4706

Patent

active

043986048

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 pressure 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 generator 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.

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