E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/36
E21B 43/24 (2006.01) E21F 1/00 (2006.01) E21F 7/00 (2006.01)
Patent
CA 1087518
GAS WITHDRAWAL FROM AN IN SITU OIL SHALE RETORT ABSTRACT Liquid and gaseous products are recovered from oil shale in an in situ oil shale retort containing a frag- mented permeable mass of particles containing oil shale by retorting oil shale in the fragmented mass to produce gaseous and liquid products. The liquid products are withdrawn from the retort to a first level in unfragmented formation below the elevation of the bottom boundary of the retort. Gaseous products are withdrawn from the retort to a second level below the elevation of the first level.
296841
Occidental Oil Shale Inc.
Smart & Biggar
LandOfFree
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