Methods for controlling particulate migration
CA 2668909 C · Owner: Nguyen, Philip D. · Inventors: Barton, Johnny A.; Nguyen, Philip D.; Dusterhoft, Ronald G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Some embodiments of the present invention provide methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of the subterranean formation with a pre-flush fluid; contacting the portion of the subterranean formation with a consolidation fluid comprising a resin and an aqueous dissolvable solvent; and contacting the portion of the subterranean formation with an after-flush fluid. Other embodiments of the present invention provide methods of fracturing a portion of a subterranean formation while controlling particulates comprising contacting the portion of the subterranean …
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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 May 20, 2005 and granted July 3, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 20, 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.
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.