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Expired Canadian patentCanada

Method and equipment for the reduction of multiple dispersions

CA 2597469 C · Owner: Statoil Asa · Inventors: Gramme, Per Eivind; Lie, Gunnar Hannibal

CIPO record

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Abstract From the Canadian patent

A method and equipment for reducing or avoiding multiple dispersions in fluid flows each consisting of two or more non-mixable fluid components with different specific gravities and viscosities in particular fluid flows of , oil, gas and water from different oil/gas production wells (B1 - B8) in formations beneath the surface of the earth or sea The fluid flow from each , well (B1 - B8) depending on whether it is oil-continuous (o/w) or watercontinuous (w/o), is fed to a transport pipeline (T) so that the oilcontinuous fluid flows (o/w) are supplied to the transport line (T) first and the water-continuous fluid flows (w/o) second or the two fluid flows (o/w, w/o) are fed to two separate …

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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 10, 2006 and granted December 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 10, 2026.
  • 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.
FiledFebruary 10, 2006
GrantedDecember 10, 2013
Term endedFebruary 10, 2026
Patent numberCA 2597469 C
Classification (IPC)F17D3/01 +2 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedFeb 10, 2006Patent grantedDec 10, 2013Term endedFeb 10, 2026

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.