Design of the Assembled Gun Drilling in the Oil Duct of the Internal-combustion Engine;
内燃机机体油道孔组合深孔钻设计
The application of PLC controlling system in deep hole drilling combined machine tool;
PLC在深孔钻组合机床控制系统中的应用
steerable downhole motor assembly
可转向的井下马达钻具组合
WOB CALCULATION FOR COMBINATION OF HYDRAULIC THRUSTER AND DOWNHOLE MOTOR
水力加压器和井下马达组合时的钻压计算
weight-responsive bottom-assembly
对钻压敏感的井底钻具组合
fully stabilized rotary assembly
全稳定的旋转钻具组合
Bottom-Hole Dynamic Coring Assembly Analysis Using the Finite Element Method and Deviation Control Research of Chinese Continental Scientific Drilling No.1 Well;
科钻一井井下动力取心钻具组合有限元分析与井斜控制研究
semipacked bottom-hole assembly
半封隔井底钻具组合
three-dimensional bottomhole assembly model
三维井底钻具组合模式
stiff bottom hole hook up
刚性的下部钻具组合
2.3 What is the BHA of this well?
这口井的钻具组合是什么？
Discussion on Downhole Tool to Improve Drilling Maneuverability in Case of Narrow Density Windows
提高窄密度窗口钻井可操作性的井下工具探讨
In addition to the fleetness connects single root, can also use at salvage the homework, search direction or demands the slow the artesian well tool that turn last, and drill the size rat hole use.
除快速接单根外，还可用在打捞作业，找寻方向或需要慢转的钻井工具上，以及钻大小鼠洞用。
Analog computation of the attitude parameters of rotary steering drilling tool
旋转导向钻井工具姿态参数的模拟解算
BHA directional behavior
底部钻具组合定向特性
Study on the storage function of the measurement while drilling (MWD) system in rotary steerable drilling tool
旋转导向钻井工具随钻测量系统存储功能研究
Mechanism Research of Gas Drainage by Drilling Long Holes
井下预抽瓦斯定向长钻孔的合理性参数研究
Approaching of Dynamic Point-the-bit Rotary Steering Drilling Tool
动态指向式旋转导向钻井工具设计探讨
Contactless power transmission method for rotary steering drilling tool
适用于旋转导向钻井工具的非接触式电能传输方法
The Visualization of Axial Interval Adjustment between Stator and Rotor of Turbodrill
涡轮钻具定转子轴向间隙调整的可视化研究