Method of rubblization for in-situ oil shale processing

Details Method of rubblization for in-situ oil shale processing Method of rubblization for in-situ oil shale processing

1983-10-13

1985-10-08

Suchfield, George A.

Mining or in situ disintegration of hard material

Tunnel recovery of fluid material

102312, 166259, 299 13, E21B 4110, E21B 43247

Patent

active

045456224

ABSTRACT:
A method that produces a uniformly rubblized oil shale bed of desirable porosity for underground, in-situ heat extraction of oil. Rubblization is the generation of rubble of various sized fragments. The method uses explosive loadings lying at different levels in adjacent holes and detonation of the explosives at different levels in sequence to achieve the fracturing and the subsequent expansion of the fractured oil shale into excavated rooms both above and below the hole pattern.

REFERENCES:
patent: 4303273 (1981-12-01), Ricketts
patent: 4353598 (1982-10-01), Ricketts
patent: 4359246 (1982-11-01), Ricketts
patent: 4440447 (1984-04-01), Ricketts et al.
patent: 4444433 (1984-04-01), Ricketts

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