Mining or in situ disintegration of hard material – With separation of materials – Separation below surface of earth or water
Reexamination Certificate
2007-03-20
2007-03-20
Kreck, John (Department: 3673)
Mining or in situ disintegration of hard material
With separation of materials
Separation below surface of earth or water
C299S057000
Reexamination Certificate
active
11112306
ABSTRACT:
The present invention is directed generally to the combined use of slurry mining and hydrocyclones to recover hydrocarbons, such as bitumen, from hydrocarbon-containing materials, such as oil sands, and to selective mining of valuable materials, particularly hydrocarbon-containing materials, using a plurality of excavating devices and corresponding inputs for the excavated material. The excavated material captured by each input can be switched back-and-forth between two or more destinations depending on the value of the stream.
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Kreck John
Oil Sands Underground Mining Corporation
Sheridan & Ross P.C.
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