Inhibiting reflux in a heated well of an in situ conversion system
CA 2563589 C · Owner: Fairbanks, Michael David · Inventors: Fairbanks, Michael David
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention provides a method for using heaters to form a heated portion of the formation. A production conduit is used to direct formation fluid in a vapor phase from the heated portion of the formation towards a surface of the formation. A diverter directs condensate of the vapor phase formation fluid to a desired location. In some embodiments the condensate is directed to a , location above the heated portion of the formation. In some embodiments the , condensate is directed below the heated portion of the formation. The condensate may be pumped from the formation to the surface.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Filed April 22, 2005 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 22, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.