Combustion air injection well

Details Combustion air injection well Combustion air injection well

1978-02-22

1979-04-03

Novosad, Stephen J.

Wells

Processes

In situ combustion

166242, 166245, 166315, E21B 4324, E21B 3314

Patent

active

041472136

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.

REFERENCES:
patent: 905440 (1908-12-01), Layne
patent: 1834946 (1931-12-01), Halliburton
patent: 2644523 (1953-07-01), Brown
patent: 3231019 (1966-01-01), Clay et al.
patent: 3504745 (1970-04-01), Elkins
patent: 3531236 (1970-09-01), Braddick et al.
patent: 4083408 (1978-04-01), Milam

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