Method of collecting hydrocarbons from tunnels

Details Method of collecting hydrocarbons from tunnels Method of collecting hydrocarbons from tunnels

E - Fixed Constructions

21

B

E21B 43/24 (2006.01) E21B 43/00 (2006.01)

Patent

CA 2509268

There are a number of problems with the existing methods of steam-assisted gravity techniques to recover oil from oil sands. The present invention provides a method for recovering viscous hydrocarbons by installing one or more tunnels in and/or below a hydrocarbon formation; drilling a plurality of wells in the hydrocarbon formation, the wells being transverse and connected to at least one tunnel; injecting steam into the hydrocarbon formation from at least one of the wells; collecting fluid hydrocarbons through at least one of the wells to at least one of the tunnels; and transporting the hydrocarbons from at least one of the tunnels to the surface.

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