Pulsed retorting with continuous shale oil upgrading

Details Pulsed retorting with continuous shale oil upgrading Pulsed retorting with continuous shale oil upgrading

1984-03-22

1985-08-06

Novosad, Stephen J.

Wells

Processes

In situ combustion

166259, 166266, E21B 4324

Patent

active

045329915

ABSTRACT:
One or more in situ oil shale retorts are alternately operated in a combustion mode and a purge mode with a steam or water purge to produce a greater yield of shale oil. Hydrogen-rich off gases emitted during purging are mixed with the shale oil in a reactor in the presence of a catalyst, after being stripped of carbon dioxide, to produce a high quality shale oil. The reactor off gases, purge mode off gases, and/or hydrogen gases can also be used as the purge gas.

REFERENCES:
patent: 4036299 (1977-07-01), Cha et al.
patent: 4192381 (1980-03-01), Cha
patent: 4353418 (1982-10-01), Hoekstra et al.
patent: 4436344 (1984-03-01), Forgac et al.
patent: 4444256 (1984-04-01), Shen
patent: 4457374 (1984-07-01), Hoekstra et al.

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