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Expired Canadian patentCanada

Wellbore drilling system and method

CA 2496162 C · Owner: Ciglenec, Reinhart · Inventors: Aldred, Walter D.; Ciglenec, Reinhart; Pirovolou, Dimitrios

CIPO record

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Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A method and apparatus for drilling at least one wellbore from an offsite location is provided. Each wellbore is located at a wellsite having a drilling rig with a downhole drilling tool suspended therefrom. The downhole drilling tool is selectively advanced into the earth to form the wellbore. The downhole drilling tool is operated according to a wellsite setup. Wellsite parameters are collected from a plurality of sensors positioned about the wellsite. The wellsite parameters are transmitted to an offsite control center. The offsite control center performs an analysis of the wellsite parameters and automatically adjusts the wellsite setup from the offsite control center based on 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 February 7, 2005 and granted March 27, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 7, 2025.
  • 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.
FiledFebruary 7, 2005
GrantedMarch 27, 2012
Term endedFebruary 7, 2025
Patent numberCA 2496162 C
Classification (IPC)E21B7/00 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedFeb 7, 2005Patent grantedMarch 27, 2012Term endedFeb 7, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.