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Expired Canadian patentCanada

Well-log presentation, software and method thereof

CA 2416216 C · Owner: Schlumberger Technology Corporation · Inventors: Metrick, Lee B.

CIPO record

Overview

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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 well-log display (160) having a principle axis (135) matched to a deviation of a section of a well-bore (450) is disclosed. By presenting a well-log (160) at about the same angle as the section of the well-bore under consideration a person viewing the well-log (160) will have the advantage of easily visualizing the inclination of the well- bore (450) to aid in geo-steering proper interpretation of well-bore measurements etc. Such a well-log (160) may be presented as a hardcopy or as an interactive display on a computer screen (642). A presentation (100 200) of a well-log (160) may include more than just the log itself for example, a reference diagram (100, 200) of the entire well …

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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 January 13, 2003 and granted March 8, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 13, 2023.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 13, 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.
FiledJanuary 13, 2003
GrantedMarch 8, 2011
Term endedJanuary 13, 2023
Patent numberCA 2416216 C
Classification (IPC)E21B47/12 +2 more

Timeline

Timeline From CIPO dates

2004200620082010201220142016201820202022Application filedJan 13, 2003Patent grantedMarch 8, 2011Term endedJan 13, 2023

Sources & verification

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