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Method of generating and combining multiple horizons to determine a seismic horizon and its uncertainty

  • US 9,239,398 B2
  • Filed: 10/12/2012
  • Issued: 01/19/2016
  • Est. Priority Date: 11/11/2011
  • Status: Active Grant
First Claim
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1. A method of generating a horizon surface based on multiple candidate horizon surfaces, the method comprising:

  • selecting seeds that represent different starting locations within a desired horizon surface;

    generating a plurality of candidate horizons from the selected seeds;

    generating the horizon surface by combining, for each point on the horizon surface, depth values from corresponding points on the plurality of candidate horizons into a single representative depth value;

    computing an uncertainty for each point on the horizon surface based on a difference between two or more depth values from the plurality of candidate horizons that create the single representative depth value, respectively; and

    creating a model of the subsurface region using the horizon surface.

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