Combustion air injection well

Details Combustion air injection well Combustion air injection well

E - Fixed Constructions

21

B

166/35

E21B 43/24 (2006.01) E21B 36/00 (2006.01) E21B 43/243 (2006.01)

Patent

CA 1087091

COMBUSTION AIR INJECTION WELL ABSTRACT Combustion air injection well completion comprising an outer casing having a reduced diameter lower portion and a small diameter liner casing which is run inside the outer casing and screwed into the upper end of the small diameter portion of the outer casing. The resulting completion provides an annular conduit through which cooling or divertent fluid may be injected into formations while combustion air is simultaneously pumped through the inner casing and into formations through perforations in the small diameter portion of the outer casing. -1-

318693

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