Solvent flooding to recover viscous oils
CA 1202881 A · Owner: Mobil Oil Corporation · Inventors: Mullins, Lynn D.; Fitch, John L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, Oi1 is recovered from a viscous oil-containing formation including a tar sand deposit, by providing at least one injection well and at least one spaced-apart production well which extend downwardly from the earth's surface to the bottom of the formation and which at their lower portions extend generally horizontally through and in fluid communication with the formation. A predetermined amount of solvent preferably 0.05 to 0.30 pore volume,is injected into the bottom of the formation via the injection well and fluids including oil are recovered from the formation via the production well. After the desired amount Or solvent has been injected into the formation production is, …
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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
- Granted April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 2003.
- 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.