In situ retorting of oil shale

Details In situ retorting of oil shale In situ retorting of oil shale

1980-03-14

1982-05-11

Novosad, Stephen J.

Wells

Processes

In situ combustion

166259, E21B 43247

Patent

active

043288634

ABSTRACT:
Disclosed is a method for the underground retorting of oil shale comprising introducing retorting fluid from a first direction into a retort containing rubblized mass comprising oil shale until the mass is substantially retorted; and then introducing oxygen containing gas from a second direction substantially opposite to the first direction to combust with coke or hydrocarbonaceous materials in the rubblized mass and retort a portion of unretorted rubblized mass.

REFERENCES:
patent: 2793696 (1957-05-01), Morse
patent: 2958380 (1960-11-01), Schild
patent: 3127935 (1964-04-01), Poettman et al.
patent: 3521709 (1970-07-01), Needham
patent: 3586377 (1971-06-01), Ellington
patent: 3661423 (1972-05-01), Garrett
patent: 4036299 (1977-07-01), Cha

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