1) petroleum drilling tool
石油钻具
1.
Acoustic emission detection method for critical crack defect in petroleum drilling tools
石油钻具裂纹缺陷声发射检测方法
2) Drilling Tool Industry
石油钻具市场
1.
Study on Customer Relationship Marketing of Drilling Tool Industry;
该模型从买方的角度出发,诠释了我国石油钻具市场买卖双方关系的决定因素由人际关系变量、企业环境变量、组织关系变量构成,以及关系质量决定因素对关系结果,即客户忠诚的显著影响。
4) oil well drill pipe
油井钻具
5) drilling rig
石油钻机
1.
The reliability analysis and the improving measurement for drilling rig;
石油钻机可靠性分析及改进措施
2.
Field bus and application in electric system of drilling rig;
现场总线及其在石油钻机电气系统中的应用
3.
Research on the H-point concerning the driller of the drilling rig
石油钻机司钻的H点研究
6) oil drill pipe
石油钻杆
1.
End upsetting process for oil drill pipe and numerical simulation;
石油钻杆管端镦锻工艺及数值模拟
2.
Research of Oil Drill Pipe Crack-detection System Based on Computer Vision;
基于计算机视觉的石油钻杆裂纹检测系统
3.
Parameters that influence the end upsetting process and working procedure were studied in this paper, and the thermal-mechanical coupled rigid-plastic FEM was put forward to simulate the process of end upsetting for oil drill pipe.
因此优化石油钻杆管端加厚工艺,改善钻杆内加厚过渡带的几何形状,有利于减轻应力集中,提高钻杆的使用寿命。
补充资料：石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(见石油市场与天然气市场)
石油天然气国际贸易(internotional tradeof011 and只as)见石油市场与天然气市场。
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