Direct firing downhole steam generator

Details Direct firing downhole steam generator Direct firing downhole steam generator

1980-11-03

1982-06-29

Favors, Edward G.

Wells

With heating, refrigerating or heat insulating means

Burner in well

122 4R, 431158, 431190, 166303, E21B 3600

Patent

active

043368395

ABSTRACT:
Direct firing downbole steam generator basically comprises an injector assembly axially connected with a combustion chamber. Downstream of the combustion chamber and oriented so as to receive its output is a heat exchanger wherein preheated water is injected into the heat exchanger through a plurality of one-way valves, vaporized and injected through a nozzle, packer and check valve into the well formation.

REFERENCES:
patent: 2725929 (1955-12-01), Massier
patent: 3254721 (1966-06-01), Smith
patent: 3385381 (1968-05-01), Calaman
patent: 3456721 (1969-07-01), Smith
patent: 3980137 (1976-09-01), Gray
patent: 4078613 (1978-03-01), Hamrick et al.

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