Producing shale oil by flowing hot aqueous fluid along verticall

Details Producing shale oil by flowing hot aqueous fluid along verticall Producing shale oil by flowing hot aqueous fluid along verticall

1976-02-06

1977-05-31

Novosad, Stephen J.

Wells

Processes

Cyclic injection then production of a single well

166271, 166272, 166306, 299 4, E21B 4324, E21B 4326, E21B 4328

Patent

active

040263592

ABSTRACT:
In producing shale oil from a relatively permeable leached zone within a subterranean oil shale deposit, hot aqueous fluid is flowed between wells along paths which are vertically varied. An initial flow between near-bottom injection and production locations within the leached zone is varied by steps inclusive of producing fluid from a near-top location and injecting fluid into the initial production location.

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patent: 3379246 (1968-04-01), Sklar et al.
patent: 3379247 (1968-04-01), Santourian
patent: 3412794 (1968-11-01), Craighead
patent: 3501201 (1970-03-01), Closmann et al.
patent: 3739851 (1973-06-01), Beard
patent: 3794113 (1974-02-01), Strange
patent: 3822916 (1974-07-01), Jacoby
patent: 3967853 (1976-07-01), Closmann et al.

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