The realizing of parametric design of screw thread of PDC bit makes CAE/CAM possible.
实现了PDC钻头螺纹部分的参数化设计，为进一步的CAE/CAM打下了坚实的基础。
PDC bit mechanics analysis is the foundation of the working performance prediction and analysis of the bit.
PD C钻头的力学分析是钻头工作性能预测分析的基础。
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。
Through field testing, the PDC bit suited for Sulige gas field increased drilling speed and obtained good result.
通过现场试验，大幅度提高了苏里格气田的钻井速度，取得了显著的效果。
Therefore, it is necessary to analyse and predict the strength state under the complicated moving condition of PDC bit.
因此，有必要对钻头在复杂工作条件下的受力进行分析、预测。
Maceration alloy is an important material in the coldpressed maceration, pressureless maceration and PDC bit manufacture.
浸渍合金是冷压浸渍、无压浸渍和PDC钻头制造中的重要材料。
This paper describes the surface test and field application of using explosive method to dispose PDC bit fishing accident.
介绍了大庆油田利用爆炸破碎后打捞的方法，处理PDC钻头落井事故的地面试验及现场施工情况。
The indoor results which is significant for the optimizing design of PDC bit has been proved reliable in the field drilling.
并通过野外现场钻进证实了室内研究结果的可靠性。 研究结果对于指导PDC钻头优化设计有着重要意义。
According to the optimization design, a new type of PDC bit was produced and got better result when it was used in the multi-interbedded formation.
根据该设计制造的一种新型复合式PDC钻头在多夹层地层中取得了较好的应用效果。
The prediction of formation anti-drilling properties and the personalized design of PDC bit is an very important research area in the modern drilling project.
地层岩石的抗钻特性预测和钻头的个性化设计是现代钻井工程中非常重要的研究领域。
The results of the research have the important reference and guidance effect to design the hydraulic structure of the PDC bit that using in drilling horizontal well.
该研究成果对水平井PDC钻头的水力结构设计有着重要的借鉴和指导意义。
Mud logging is one of the most basic techniques of the oil exploration and development, but the application of PDC bit brings a lot of difficulties to mud logging work.
录井技术是油田勘探、开发中最基本的技术之一，但是PDC钻头的使用给传统的录井工作带来了极大的困难。
The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.
介绍了一种射流与PDC刀具的配合方式，即水射流位于刀具底部适当位置辅助刀具切割破碎岩石。
The paper introduces a fitting method between water jet and PDC bit tool, that is, aid bit tool cut rock while water jet is directed from suitable location of bottom of bit tool.
介绍了一种射流与PDC刀具的配合方式，即水射流位于刀具底部适当位置辅助刀具切割破碎岩石。
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