E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 43/22 (2006.01) C09K 8/58 (2006.01) E21B 43/16 (2006.01)
Patent
CA 2270703
The invention provides processes and apparatus for the recovery of viscous oil from reservoirs by means of generally vertical wells using unheated hydrocarbon solvents.
Alberta Energy Company Ltd.
Smart & Biggar
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