1) drill string composition
钻柱组成
2) drill string assembly
钻柱组合
3) built H-column
组成工字柱
4) drilling string
钻柱
1.
ANSYS-based finite element analysis method of longitudinal vibration of drilling string and its application;
基于ANSYS的钻柱纵向振动有限元分析及应用
2.
Rules and their application of drilling string lateral vibration;
钻柱横向振动规律及应用
3.
Optimization design methods of drilling strings in extended reach wells;
大位移井钻柱优化设计方法及应用
5) drill string
钻柱
1.
Study of contact force between drill string and borehole wall in constant-curvature wellbores;
等曲率井眼中钻柱与井壁间接触力分析
2.
Calculation and analysis of fatigue strength of drill string in deep well;
深井钻柱疲劳强度计算与分析
3.
Study of vortex mechanism and rule of bottom drill string;
下部钻柱涡动机理及规律研究
6) drill stem
钻柱
1.
Dynamic simulation of the contact between drill stem and well wall;
钻柱与井壁接触的动态仿真分析
2.
The calculation of critical compressive force of drill stem in horizontal well;
水平井眼中受压钻柱的临界载荷计算
3.
The effect of initial deflection on nonlinear lateral vibration of drill stem;
初弯曲对钻柱横向非线性振动的影响
补充资料：柱工
1.制乐器弦柱的工匠。
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