Methods of and apparatus for mining and processing tar sands and

Details Methods of and apparatus for mining and processing tar sands and Methods of and apparatus for mining and processing tar sands and

1978-10-04

1980-11-18

Pate, III, William F.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

166267, 299 7, 299 18, 299 87, E21C 4110

Patent

active

042342325

ABSTRACT:
Methods of and apparatus for recovering bitumen from tar sands and the like in which the tar sand is mechanically dislodged from the formation in which it is deposited and in which a solvent for the bitumen is mixed with the mined material to reduce the viscosity of the bitumen and thereby facilitate the transfer of the mined material to an operation where the bitumen is separated from solid components of the tar sand.

REFERENCES:
patent: 3050289 (1962-08-01), Gerner
patent: 3157231 (1964-11-01), Daley
patent: 3472553 (1969-10-01), Miller
patent: 3510168 (1970-05-01), Camp
patent: 3917010 (1975-11-01), Fink
patent: 4022286 (1977-05-01), Gill

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