Wells – Processes – In situ combustion
Patent
1976-02-05
1977-08-16
Novosad, Stephen J.
Wells
Processes
In situ combustion
166251, 166261, 166262, E21B 4324
Patent
active
040420264
ABSTRACT:
A method for starting a process to recover energy raw materials from a subterranean formation whereby igniters are injected into the upper region of the formation and inert gas is injected into the lower region of the formation, and thereafter an oxygen-containing gas is injected at a predetermined oxygen concentration and rate to initiate combustion, followed by increasing the oxygen concentration and/or rate of the injected gas to a maximum value.
REFERENCES:
patent: 3000441 (1961-09-01), Kunetka
patent: 3080919 (1963-03-01), Harlan
patent: 3208519 (1965-09-01), Moore
patent: 3361201 (1968-01-01), Howard
patent: 3565174 (1971-02-01), Parker
Liepmann et al., "Elements of gasdynamics", Galeit Aeronautical Series, John Wiley & Sons, Inc., N.Y., N.Y., 1957, pp. 124-130.
Rudinger, "Wave Diagrams for Nonsteady Flow in Ducts", D. Van Nostrand Co., Inc., New York, 1955, pp. 4-6 and 71-73.
Frohlich Walter
Klatt Heinz Jurgen
Pusch Gunter
Bauer Charles L.
Deutsche Texaco Aktiengesellschaft
Novosad Stephen J.
Ries Carl G.
Whaley Thomas H.
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