Method of installing a tubular assembly in a wellbore
CA 2507413 C · Owner: Benzie, Scott Anthony · Inventors: Bosma, Martin Gerard Rene; Geilikman, Mikhail Boris; Benzie, Scott Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of installing a tubular assembly in a wellbore formed in an earth formation is disclosed whereby the tubular assembly includes a plurality of expandable tubular elements. The method comprises installing a first tubular element in the wellbore, and installing a second tubular element in the wellbore in a manner that an end part of the second tubular element extends into an end part of the first tubular element thereby forming an overlap portion of the tubular assembly, said overlap portion being positioned in the wellbore such that a radially deformable body is arranged around the overlap portion. The end part of the second tubular element is radially expanded against the …
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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 November 21, 2003 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 21, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2025.
- 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.