Method for characterising parameters of wells, well bottom zone and formation, and device for carrying out said method
CA 2415500 A1 · Owner: Chikin, Andrey Yegorovich · Inventors: Chikin, Andrey Yegorovich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to the oil industry and can be used for testing the intake capacity of a well and perform an action on a bottom zone thereof. Said invention makes it possible to increase the number of measured parameters and improve the accuracy of characterisation of the well the well bottom zone and , a formation. The inventive method consists in performing a pulse nonstationary injection of a reagent and measuring the injection pressure and the reagent flow on the measuring section of an injection line before the wellhead. A cumulative consumption of work supplied for nonstationary flow of the reagent consumption unit in the well bottom zone is defined. Skin-effect factor is …
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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 April 30, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 30, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 30, 2024.
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Timeline
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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.