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Methods for selecting bits and drilling tool assemblies

  • US 9,765,571 B2
  • Filed: 07/28/2006
  • Issued: 09/19/2017
  • Est. Priority Date: 10/11/2000
  • Status: Active Grant
First Claim
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1. A method for selecting a drill bit, the method comprising:

  • selecting a first drill bit design;

    simulating the first drill bit design drilling an earth formation under selected conditions;

    graphically displaying at least a portion of the simulating, wherein at least a portion of a first resultant graphical display comprises a display of a path of the first drill bit design;

    analyzing results of the simulating the first drill bit design, wherein the analyzing comprises reviewing a steerability of the first drill bit design;

    selecting a second drill bit design;

    simulating the second drill bit design drilling an earth formation under selected conditions;

    graphically displaying at least a portion of the simulating, wherein at least a portion of a second resultant graphical display comprisesa display of a path of the first bit design and a display of a path of the second drill bit design;

    analyzing results of the simulating the second drill bit design, wherein the analyzing comprises reviewing a steerability of the second bit design;

    selecting, based upon the analyzing the results of the simulating the first and second drill bit designs, a bit design from among the first and second drill bit designs; and

    manufacturing the drill bit having the selected bit design.

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