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Method for evaluating and improving drilling operations

  • US 7,899,658 B2
  • Filed: 02/28/2006
  • Issued: 03/01/2011
  • Est. Priority Date: 10/11/2000
  • Status: Expired due to Term
First Claim
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1. A method of controlling a directional aspect of a drilling tool assembly comprising:

  • (a) identifying a desired wellbore trajectory;

    (b) defining at least one potential solution to obtain the desired wellbore trajectory;

    (c) performing a drilling simulation of the at least one potential solution;

    (d) determining, based on the performing the drilling simulation, whether the simulated potential solution achieves the identified desired wellbore trajectory;

    (e) repeating steps (b)-(d) until the desired wellbore trajectory is achieved; and

    (f) outputting the solution that achieves the desired wellbore trajectory.

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