A dynamic centralizer design for probe type measuring while drilling tools (mwd)
CA 2362872 A1 · Owner: Hussein, Hamdy Hassan Mohamed · Inventors: Hussein, Hamdy Hassan Mohamed
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The dynamic centralizes is designed for both retrievable and non-retrievable probe type MWD, tools which used to during drilling oil & gas wells . The mean features of this design are to fit, MWD tool dynamically into the center inside it's drill collar properly throughout all related, drilling operations without need to adjust the centralizer's thickness into such drill collar's inside, diameter, result in eliminate MWD tool's centralization defect which affect , it's measuring, accuracy performance. Secondly the dynamic centralizes acts as a lateral shocks absorber to, adapt MWD tool mass to associate rotating drill string mass especially while rotary drilling mode.
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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 13, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 13, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 13, 2023.
- 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.