Coiled tubing inspection system
CA 2268446 A1 · Owner: Icop&O, Inc. · Inventors: Weinbaum, Hillel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non-destructive inspection system is disclosed for testing oilfield tubulars and particularly for testing coiled tubing. The system includes a support housing and an inspection head (30) removably positioned within the support housing and including a thru-bore for receiving coiled tubing. A magnetizing coil (32) is provided for saturating the tubing while passing through the inspection head. The inspection head includes various sensors for detecting defects, including a plurality of flaw detector transducers (40) circumferentially spaced about the thru-bore for outputting a signal indicative of a change in flux leakage a plurality of wall thickness , transducers (50) for …
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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 October 14, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 14, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 14, 2019.
- 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.