An injection apparatus for injecting an activated fluid into a well-bore and related injection method
CA 2582941 C · Owner: Rayssiguier, Christophe · Inventors: Daccord, Gerard; Dargaud, Bernard; Rayssiguier, Christophe
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An injection apparatus for injecting an activated fluid into a well-bore comprises a reservoir (3, 103, 203, 303) containing an activation fluid AF. The injection apparatus further comprises: a valve arrangement (2 102, 202, 302) adapted to be coupled to a pipe (6 106, CS1, CS3) for receiving a first , fluid F1 flow a dosing and mixing arrangement (4, 104 204, 304) coupled to , the reservoir (3 103, 203, 303) and to the valve arrangement (2 102, 202, 302). The valve arrangement has a rest configuration in which the injection apparatus provides a non-activated fluid mixture F1" and an activated configuration in which the injection apparatus provides an activated fluid mixture F2. The …
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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 10, 2005 and granted July 16, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 10, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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