Method for controlling underground combustion

Details Method for controlling underground combustion Method for controlling underground combustion

1978-07-17

1981-06-09

Leppink, James A.

Wells

Processes

With indicating, testing, measuring or locating

166259, E21B 43247

Patent

active

042719046

ABSTRACT:
Disclosed is a method for controlling the flame front during the in situ combustion of a subterranean carbonaceous stratum which involves monitoring the extent and movement of said flame front to determine the location of one or more segments of the flame front which exhibit unfavorable combustion characteristics, and injecting one or more gases into the vicinity of one or more of said segments to control and optimize the combustion in said segment.

REFERENCES:
patent: 2630307 (1953-03-01), Martin
patent: 2734579 (1956-02-01), Elkins
patent: 2770305 (1956-11-01), Pirson
patent: 2803305 (1957-08-01), Behning et al.
patent: 3031762 (1962-05-01), Parker
patent: 3454365 (1969-07-01), Lumpkin et al.
patent: 3490529 (1970-01-01), Parker
patent: 3617467 (1971-11-01), Reyburn et al.
patent: 3661423 (1972-05-01), Garret
patent: 4082145 (1978-04-01), Elkington
patent: 4106814 (1978-08-01), French

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