Ignition technique for an in situ oil shale retort

Details Ignition technique for an in situ oil shale retort Ignition technique for an in situ oil shale retort

1980-12-29

1983-04-05

Pate, III, William F.

Wells

Processes

In situ combustion

299 2, E21B 43243

Patent

active

043788416

ABSTRACT:
A generally flat combustion zone is formed across the entire horizontal cross-section of a fragmented permeable mass of formation particles formed in an in situ oil shale retort. The flat combustion zone is formed by either sequentially igniting regions of the surface of the fragmented permeable mass at successively lower elevations or by igniting the entire surface of the fragmented permeable mass and controlling the rate of advance of various portions of the combustion zone.

REFERENCES:
patent: 3952801 (1976-04-01), Burton
patent: 3990835 (1976-11-01), Burton
patent: 4027917 (1977-06-01), Bartel
patent: 4133380 (1979-01-01), Burton et al.
patent: 4192552 (1980-03-01), Cha
patent: 4224990 (1980-09-01), Cha
patent: 4243100 (1981-01-01), Cha
patent: 4263970 (1981-04-01), Cha

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