E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
166/35
E21B 43/24 (2006.01) E21B 43/04 (2006.01) E21B 43/30 (2006.01) E21B 43/40 (2006.01)
Patent
CA 1208122
ABSTRACT A process is disclosed for recovering heavy viscous oil from tar sands which involves the in-situ condensation of solvent vapor to leach the viscous oil from the sand.
418854
Ridout & Maybee Llp
Trw Inc.
LandOfFree
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