1) PDC rock bit
PDC全面钻头
1.
Analysis of characteristics of PDC rock bits applied to the hard rock
适用于硬岩的PDC全面钻头特点分析
2) PDC bit
PDC钻头
1.
Study of force simulation test device of PDC bit cutting teeth;
PDC钻头切削齿受力模拟实验装置研究
2.
Customize PDC bit to drill through long conglomerate interval;
PDC钻头厚层砾岩钻进技术探索与实践
3.
Numerical simulation about effect of flow path on PDC bit fluid field;
流道形状对PDC钻头头部流场影响的数值模拟
3) PDC bits
PDC钻头
1.
Technology for flexible die forming of PDC bits;
烧结式PDC钻头软模成型工艺研究
2.
A study on technology for bottom modeling of PDC bits;
烧结式PDC钻头模具成型工艺研究
3.
Research on Design and Forming Process of the First Moulds of Matrix PDC Bits;
胎体式PDC钻头基础模具设计与成型工艺的研究
4) PDC drilling bit
PDC钻头
1.
3D designing method of PDC drilling bits;
PDC钻头的三维设计方法
2.
Method for identifying lithology with the condition of PDC drilling bit;
PDC钻头条件下岩性的识别方法
3.
Different combinations of PDC drilling bits( hydraulic parameters are comprehensively reflected by flow field energy transformation at oil well bottoms.
针对实际PDC钻头建立了不同的流场计算模型,比较分析了流场能量的变化规律。
5) PDC bit
PDC 钻头
1.
Through comprehensive applications of many key projects,such as well location optimization technology,mixed oil drilling technology combined with using popularized PDC bits of high efficiency and high torque and low-velocity hobs of great power, deep well bore contro.
通过井位优选技术、推广高效 PDC 钻头和大功率高扭矩低速螺杆的复合钻井技术、深井井身控制技术、以防漏堵漏为主的调整井钻井技术等各项攻关课题的综合应用,形成了一系列的深井优快钻井综合技术,大打钻井科技攻坚战,取得了钻井速度的新突破。
2.
PDC bit has a lot of advantages, such as strong wearability, long-life, high drilling efficiency, low cost, wider range of application and easier to be made.
PDC 钻头具有耐磨性强、寿命长、钻效高、成本低、工人劳动强度轻和应用范围广等优点。
6) high-pressure PDC bit
高压PDC钻头
补充资料：[styrene-(2-vinylpyridine)copolymer]
分子式：
分子量：
CAS号：
性质：学名苯乙烯-2-乙烯吡啶共聚物。微黄色粉末或透明小颗粒晶体。无臭，无味。不溶于水，溶于酸、乙醇、丙酮、氯仿。有抗水、防潮性能，适用于多种药片的包衣等。
分子量：
CAS号：
性质：学名苯乙烯-2-乙烯吡啶共聚物。微黄色粉末或透明小颗粒晶体。无臭，无味。不溶于水，溶于酸、乙醇、丙酮、氯仿。有抗水、防潮性能，适用于多种药片的包衣等。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条