METHOD AND SYSTEM FOR MINING HYDROCARBON-CONTAINING MATERIALS

The present invention is directed, inter alia, to devices and methods for excavating valuable materials, particularly soft ores such as oil sands, oil shales, an d the like, that use one or more of a number of features, including backfilling for ground suppor t, a small trailing access tunnel, proce...

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Bibliographic Details
Main Authors WATSON, JOHN DAVID, KOBLER, MICHAEL HELMUT, DRAKE, RONALD B
Format Patent
LanguageEnglish
French
Published 01.09.2009
Subjects
EARTH DRILLING
FIXED CONSTRUCTIONS
MINING
MINING OR QUARRYING
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Summary:The present invention is directed, inter alia, to devices and methods for excavating valuable materials, particularly soft ores such as oil sands, oil shales, an d the like, that use one or more of a number of features, including backfilling for ground suppor t, a small trailing access tunnel, processing of the valuable material in the excavatio n with the tailings optionally being used as backfill and the valuable material being transporte d to the surface, a plurality of movable shields for ground support, and/or a movable tail shiel d to provide interim support to the backfill while additional liner sections are installe d and/or formed.
Bibliography:Application Number: CA20012583513