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Bending moment

  • US 7,260,514 B2
  • Filed: 12/10/2004
  • Issued: 08/21/2007
  • Est. Priority Date: 03/13/2000
  • Status: Expired due to Term
First Claim
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1. A method for designing a drill bit, the method comprising:

  • selecting bit design parameters;

    selecting parameters of an earth formation;

    selecting drilling parameters;

    simulating drilling the earth formation;

    calculating a bending moment acting on the drill bit;

    converting said bending moment into a visual representation;

    varying at least one of the bit design parameters and repeating the simulating and the calculating until the bending moment meets a selected criterion, andgraphical displaying the visual representation.

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