...钻具造型; 钻探工艺 [gap=616]site series; Rate of core recovery; Single Rotary and Double Tube Core Barrel,; Structure of drilling tool; Drilling technology ..
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Cataclasite series; Rate of core recovery; Single Rotary and Double Tube core Barrel, Structure of drilling tool; drilling technology.
碎裂岩系；取芯率；双管单动钻具；钻具造型；钻探工艺。
Study on the structure and control principles of the platform stabilizing control mechanism of the modulating rotary steerable drilling tool was conducted.
深入研究了调制式旋转导向钻井工具中的稳定平台控制机构的结构原理和控制原理。
In the paper, a new working layer structure of diamond core drill for solving the problem is introduced which can increase the efficiency and the working life of the drilling tool.
文章介绍了金刚石钻孔工具一种新的工作层结构，该结构可以有效解决钻孔工具排粉散热难问题，提高钻孔工具的工作效率，延长钻孔工具的使用寿命。
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