Process for increasing the degree of oil extraction
CA 1281058 C · Owner: Ellingsen, Olav · Inventors: Ellingsen, Olav
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A process for increasing the degree of oil extraction. Abstract A process for increasing the degree of extraction of oil or other volatile liquids in oil reservoirs on land or at sea by making the formations in said reservoir vibrate as close to the natural frequency of said formations as possible so, that the binding forces between formations and oil are degraded and oil is, thus, more easily recovered from the formations. Furthermore, the pressure in said reservoir is maintained by evaporating some oil and water in the reservoir due to the fact that heating is achieved both as a consequence of said vibrations, and by the aid of electrical high frequency pulses causing the reservoir to …
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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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
- 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.