Method and device for determining a space position of the axis of a cased well
CA 2196912 A1 · Owner: Shelyago, Vladimir Viktorovich · Inventors: Shelyago, Vladimir Viktorovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The essence of the proposed method resides in that assumed as the datum point of measurement of the well azimuth is an azimuthally stabilized housing of a down-the-hole instrument (1) (inclinometer) and the, magnitude of the azimuth is determined by measuring the angle of rotation of the housing of the down-the-hole instrument (1) round its longitudinal axis which, rotation occurs in response to an azimuthal deviation of the longitudinal axis of a well (5). According to a first embodiment of the proposed device it comprises a, plurality of spring-loaded arcuate elements (3) secured on an external surface (2) of the housing of the down-the-hole instrument (1) so as to form at least three …
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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 5, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 5, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 5, 2019.
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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.