查询词典 pack drill

A type of logging-while-drilling density log in which the density is measured at different azimuths around the drill collar.

一种随钻密度测井，测量钻铤周围不同方位的密度。

Take that drill collar up to the derrick floor?

把那根钻铤拉到钻台上来。

Using the model,the stress distribution on drill collar threads is analyzed in detail,and the methods to improve stress conditions of a collar connection and the steps to minimize stress focus are also presented.

依据此模型，详细分析了钻铤螺纹的载荷分布规律，提出了改进钻铤接头受力状态，减少应力集中的主要措施。

Because its rigidity are less than the drill collar, less contact area with wall of a well , is also not easy to form differential pressure sticking.

由于其刚性比钻铤少，和井壁接触面积小，也不容易形成压差卡钻。

Drill collar thread ; finite element method ; stress ; structure optimization

钻铤螺纹；有限元；应力；结构优化

The control method is special for the angular position of a circle rotation object without any fixed support point in the drill collar.

钻铤内无固定支撑点的圆周旋转运动状态角的控制方法具有许多特点。

Stress-relief structure not in accordance with related standard and the stress situation would lead the thread root to be the weakest position of drill collar box.

结果表明，钻铤材料中MnS夹杂物超标，螺纹底部和牙侧存在腐蚀坑和加工划痕，这些缺陷的存在降低了钻铤的服役能力。

Results showed that the MnS inclusion wasn't in accordance with standard, and there were lots of corrosion pits and mechanical defects at root and flank, which would damage the drill collar box.

摘 要：通过宏观分析、力学性能测试、化学成分分析、金相组织和微观断口分析，对某井发生的钻铤内螺纹接头横向开裂失效原因进行分析。

The bottom hole assembly failure caused by drill collar thread usually occurs during the air drilling.

在空气钻井中，经常发生由钻铤螺纹断裂引起的下部钻具组合失效事故。

Fit the rig tongs with the correct jaws for the drillpipe tool joint or the drill collar.

使用适合钻杆接头或钻铤的合适钳头，使用后，安全锁定弹簧要归位。

Alternatively, the con- trollers can use the synchronous rectifier itself or loss- less inductor current-sensing methods to provide overload protection with lower power dissipation.

另外，康威特罗勒斯可以使用同步整流器本身或亏损减少电感电流检测方法，以提供低功耗过载保护。

Mr. Dauber's other Schatz hangs in his home movie studio.

多伯把沙兹的另一件作品挂在家里的电影室。