Mining or in situ disintegration of hard material – In situ conversion of solid to fluid – Dissolving or chemical reaction
Patent
1975-03-03
1976-03-23
Novosad, Stephen J.
Mining or in situ disintegration of hard material
In situ conversion of solid to fluid
Dissolving or chemical reaction
166271, 166272, 166259, 166281, E21B 4324
Patent
active
039456790
ABSTRACT:
In producing shale oil by circulating hot fluid into and out of a rubble-containing cavern within a subterranean oil shale, plugging is avoided by permeating a portion of oil shale, consolidating a permeated portion, inflowing fluid outside the consolidated portion, and outflowing fluid from within the consolidated portion so the fluid is filtered through the consolidated portion.
REFERENCES:
patent: 2771952 (1956-11-01), Simm
patent: 3292701 (1966-12-01), Goodwin et al.
patent: 3409079 (1968-11-01), Burtch
patent: 3513913 (1970-05-01), Bruist
patent: 3537528 (1970-11-01), Herce et al.
patent: 3565171 (1971-02-01), Closmann
Closmann Philip J.
Drinkard Gary
Street Evan H.
Templeton Charles C.
Tham Min Jack
Novosad Stephen J.
Shell Oil Company
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