Method and apparatus for subterranean formation flow imaging
CA 2465809 C · Owner: Hashem, Mohamed Naguib · Inventors: Winkler, Mario; Hashem, Mohamed Naguib; Bluemich, Bernhard Peter Jakob
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and apparatus for measuring a property relating to fluid flow in an earth formation more specifically to , directly measuring formation permeability and other fluid characteristics. The present invention provides a method for determining the permeability of a hydrocarbon bearing earth formation, which method comprises the steps of: locating a tool at a selected position in a borehole penetrating the earth formation; including a flow of fluid within the earth formation to said tool; creating at least two MRI images of said fluid while flowing within the earth formation to said tool, said at least two images being created at different times; …
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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 6, 2002 and granted June 7, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 6, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2024.
- 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
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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.