Finite element analysis and improved design for taper trapezium joint threads of high-strength drilling rod with big hole

被引：0
|
作者：
Zhang, You-Zhen [1 ]
Shi, Zhi-Jun [1 ]
Tian, Dong-Zhuang [1 ]
Gong, Cheng [1 ]
Peng, La-Mei [1 ]
机构：
[1] Xi'an Branch, China Coal Research Institute, Xi'an 710077, China
来源：
Meitan Xuebao/Journal of the China Coal Society | 2010年 / 35卷 / 07期
关键词：
Directional drilling - Horizontal drilling;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Firstly, the parameter of joint thread was studied considering the load of drilling rod. Then the 3D model of the joint thread was built and its equivalent stress and contact stress under several working conditions were obtained through finite element method. Based on the analysis, an improved design of dual taper and cylinder seal were subsequently presented. The research results show that the stress concentration and sealing capability of joint are improved, and some filed experiments are given to demonstrate the improved design.
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页码：1219 / 1223
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