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Gravity modeling a rifted continental margin

  • US 10,474,767 B2
  • Filed: 01/26/2016
  • Issued: 11/12/2019
  • Est. Priority Date: 01/26/2016
  • Status: Active Grant
First Claim
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1. A computer-implemented gravity modeling method comprising:

  • accessing, by operation of a computer system, survey data that includes gravity data of a rifted continental margin;

    determining, by operation of the computer system, a value of a geometric parameter that corresponds to a desired value of a Mohorovicic Discontinuity (Moho) uplift at a specified location of the rifted continental margin;

    determining, by operation of the computer system, a Moho surface based on a value of Moho uplift at a rift center, the value of Moho uplift at the rift center determined based on the value of the geometric parameter;

    determining, by operation of the computer system, a top basement surface based on a residual gravity data associated with the Moho surface;

    outputting, by operation of the computer system, a crustal model of the rifted continental margin, the crustal model including the Moho surface and the top basement surface of the rifted continental margin; and

    drilling one or more wellbores based on the Moho surface and the top basement surface of the rifted continental margin in the crustal model.

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