Subterranean oil shale pyrolysis with permeating and consolidati

Details Subterranean oil shale pyrolysis with permeating and consolidati Subterranean oil shale pyrolysis with permeating and consolidati

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

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