Gas collection system for oil shale retort

Details Gas collection system for oil shale retort Gas collection system for oil shale retort

1976-12-06

1980-01-01

Pate, III, William F.

Mining or in situ disintegration of hard material

Tunnel recovery of fluid material

166259, 299 13, E21C 4110, E21C 4300

Patent

active

041813618

ABSTRACT:
An in situ oil shale retort in which a cavity filled with broken particles of oil shale is formed within the subsurface oil shale formation and air is forced down through the cavity to sustain combustion of the top layer of oil shale particles, the products of combustion being withdrawn at the bottom of the cavity. A plurality of exhaust pipes traverse the bottom of the cavity and extend out through the sealed entrance to the retort cavity. The pipes are supported above the floor of the cavity and have holes opening on the bottom side of the pipes through which the product gases are withdrawn from the cavity. Valves in each pipe control the flow so as to balance the flow distribution of air and exhaust gases through the retorting cavity.

REFERENCES:
patent: 2801089 (1957-07-01), Scott, Jr.
patent: 3338306 (1967-08-01), Cook
patent: 3661423 (1972-05-01), Garret
patent: 3865186 (1975-02-01), Von Hippel

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