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Expired Canadian patentCanada

Geologic models of subsurface sedimentary volumes

CA 2579138 C · Owner: Awwiller, David N. · Inventors: Van Wagoner, John C.; Sun, Tao; Hoyal, David C.

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Abstract From the Canadian patent

A 3-Dseismic image is used to construct a geologic model specifying the spatially varying grain size distribution porosity and permeability through , the volume 101. The method applies to water laid elastic sedimentary deposits of earth sedentary volumes and involves modeling steps for identifying the outline forms of geologic bodies in geologic data. The outline forms of the geologic deposits and body volume form is used to determine the spatially varying grain size distribution within the sediment deposit and is guided by the modeling assumptions about the nature and behavior of the sediment paleoflow that deposited the sediment volume 109. The geologic sediment volume is based on …

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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 August 19, 2005 and granted October 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 19, 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.
FiledAugust 19, 2005
GrantedOctober 22, 2013
Term endedAugust 19, 2025
Patent numberCA 2579138 C
Classification (IPC)G06T17/20

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2006200820102012201420162018202020222024Application filedAug 19, 2005Patent grantedOct 22, 2013Term endedAug 19, 2025

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