Method and packer for processing a productive formation in bottom-hole zone of a well, and method for fixing a packer inside a well
CA 2388799 A1 · Owner: Kurlenya, Mikhail Vladimirovich · Inventors: Tkach, Khaim Berkovich; Kurlenya, Mikhail Vladimirovich; Serdjukov, Sergei Vladimirovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the invention, the method for processing the production layer in a bottom hole area (1) comprises the following steps: the liquid in the bottom hole area (1) is heated and clogging products are removed. According to the invention, the top of the bottom hole area (1) is sealed off before the liquid is heated and a chamber (6) is created in the bottom of the hole. The liquid in the bottom hole chamber (6) is cooled and the chamber is unsealed once , more before the clogging products are removed. The inventive packer (4) designed for processing the production layer in the bottom hole area (1) contains a body (10) (containing a radial joint containing sliding cheeks a , …
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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
- Filed September 29, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 29, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 29, 2022.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.