| 摘要 |
A method for designing a roller cone bit that includes steps of selecting design parameters for the roller cone bit, drilling parameters, and parameters of an earth formation, simulating drilling of the earth formation by the roller cone bit using the selected drilling parameters, calculating drilling performance parameters from the simulated drilling, and analyzing at least one of a tensile stress or a compressive stress parameters for a cutting element of the roller cone bit from the calculated drilling performance parameters is disclosed.
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