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PDC DRILL BIT WITH CUTTER DESIGN OPTIMIZED WITH DYNAMIC CENTERLINE ANALYSIS HAVING AN ANGULAR SEPARATION IN IMBALANCE FORCES OF 180 DEGREES FOR MAXIMUM TIME
PDC DRILL BIT WITH CUTTER DESIGN OPTIMIZED WITH DYNAMIC CENTERLINE ANALYSIS HAVING AN ANGULAR SEPARATION IN IMBALANCE FORCES OF 180 DEGREES FOR MAXIMUM TIME
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机译：通过动态中心线分析优化了刀具设计的PDC钻头，在180度的不平衡力中实现了最大时间的角分离
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摘要
A method for designing a fixed cutter drill bit, includes simulating the fixed cutter drill bit drilling in an earth formation, determining radial and circumferential components of imbalance forces on the drill bit and a Beta angle between the radial and circumferential components of the imbalance forces during a period of simulated drilling, and adjusting a value of at least one design parameter for the fixed cutter drill bit at least based upon the Beta angle. To facilitate drill bit design, the Beta angel can be displayed to a drill bit designer. To improve performance, the method can include repeating the simulating, determining, and adjusting to change a simulated performance of the fixed cutter drill bit. A drill bit may be made according to the design resulting from the method.
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