The single tooth cutting course of a PDC drilling bit is studied. The research is of great significance for improving PDC drilling bit design.
为了改进PD C钻头设计，在全尺寸试验的基础上，对PD C钻头单齿切削过程进行了试验研究。
PDC cutter size, back rake and density are very important design parameters affecting the performance of PDC bit.
PD C切削齿尺寸、后倾角和布齿密度是影响PD C钻头性能的重要设计参数。
Aimed at the formation characteristics in Tahe area and rock breaking mechanism of PDC bits, the QP19L PDC bit fitting for this formation is optimized and the technical measures are summarized.
针对塔河地区的地层特点和PD C钻头的破岩机理，优选了适合于该地层钻进的QP 19 - L型PDC钻头，总结了PD C钻头的使用技术措施。
PDC bit have advantages of high penetrate rate, long bit life which saving tripping times so that the application of PDC bit can improve drilling efficiency.
PD C钻头具有钻进时间长、机械钻速高、起下钻次数少等特点，使用PD C钻头可大大提高钻井速度。
Based on the data, this study studies the cutting force affected by the characteristic parameter of PDC cutters, the mechanics property parameter of rocks, the working parameter of PDC bit.
PD C齿切削载荷的分析，以实验测试的数据为基本依据，对钻头布齿结构参数、切削齿特性参数、岩石的力学性质、钻头的工作参数等因素对PDC齿切削力的影响规律做了全面、系统的研究。
They supply plentiful useful information for the design and function of the integral PDC drill bit, while stating the principle of destroying the rock of the integral PDC drill bit.
对复合钻头的几何设计和性能设计提供了丰富的、有用的信息，同时叙述了组合钻头的破岩原理。
They supply plentiful useful information for the design and function of the integral PDC drill bit, while stating the principle of destroying the rock of the integral PDC drill bit.
对复合钻头的几何设计和性能设计提供了丰富的、有用的信息，同时叙述了组合钻头的破岩原理。
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