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

1976-03-01

1978-01-10

Purser, Ernest R.

Mining or in situ disintegration of hard material

With separation of materials

137 13, 302 66, E21C 4110

Patent

active

040676161

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: 2859818 (1958-11-01), Hall et al.
patent: 3389714 (1968-06-01), Hughes et al.
patent: 3472553 (1969-10-01), Miller
patent: 3925189 (1975-12-01), Wicks
patent: 3941679 (1976-03-01), Smith et al.

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