Serially burning and pyrolyzing to produce shale oil from a subt

Details Serially burning and pyrolyzing to produce shale oil from a subt Serially burning and pyrolyzing to produce shale oil from a subt

1975-06-02

1976-10-26

Purser, Ernest R.

Wells

Processes

In situ combustion

166272, E21B 4324

Patent

active

039878511

ABSTRACT:
A process for producing shale oil by circulating hot fluid through a rubble-containing cavern within a subterranean oil shale which contains water-soluble mineral is improved by burning a carbonaceous residue left within one cavity to produce hot fluid for operating power devices and also pyrolyzing the oil shale in a different cavity.

REFERENCES:
patent: 3171479 (1965-03-01), Parrish et al.
patent: 3196945 (1965-07-01), Craig et al.
patent: 3322194 (1967-05-01), Strubhar
patent: 3454958 (1969-07-01), Parker
patent: 3465818 (1969-09-01), Dixon
patent: 3548938 (1970-12-01), Parker
patent: 3586377 (1971-06-01), Ellington
patent: 3700280 (1972-10-01), Papadopoulos et al.
patent: 3779602 (1973-12-01), Beard et al.

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