Method and apparatus for stimulating wells with propellants
CA 2860029 C · Owner: Seekford, Dale · Inventors: Seekford, Dale
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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Abstract From the Canadian patent
The present invention relates to apparatus and methods to stimulate subterranean production an injection wells such as oil and gas wells, utilizing rocket propellants. Rapid production of high pressure gas from controlled combustion of a propellant during initial ignition and subsequent combustion together with proper positioning of the energy source in relation to geologic formations can be used to establish and maintain increased formation porosity and flow conditions with respect to the pay zone.
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.
Why it's free to use
- Filed February 22, 2006 and granted October 6, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 22, 2026.
- 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.