查询词典 drill pipe

Its upper end is drill pipe box or union, the nether end is casing pin. It is a crossover with hollow inside.

它是个上端为钻杆母扣或者由壬，下端为套管公扣，内空心的转换接头。

In the light of the successively occurred piercing and longitudinal cracking on the drill pipe box es,the fractures are analyzed by X-ray energy spectrum and electronic microscope,and the mechanical properties of the material are tested.

针对某油田一批进口钻杆连续发生17根钻杆内螺纹接头纵向开裂和刺穿事故，对断口进行X射线能谱、电镜和金相分析，并采样进行机械性能试验分析，认为材料不是导致接头断裂的主要原因。

A numerical method for contact mechanics and fracture analysis for oil drill pipe screw coupling have been systemically studied in a deepgoing way in this thesis.

本文就接触力学的数值计算方法，石油钻杆接头螺纹齿的断裂计算作了深入、细致、系统的研究，主要工作包括以下几方面。

The paper gives a overall of the current situation of the development of drill pipe power tongs in well at home and abroad at first, given the manufacture techonology.

本文运用的基于自顶向下设计思想进行参数化设计的方法，现已完成了&钻杆动力钳系列产品开发&的项目。

Drill pipe power tongs and casing power tongs manufactured by the company have been awarded as famous-brand products for China petroleum and petrochemical equipment manufacturing industry.

公司享有API7K、8A、8C会标使用权，钻杆动力钳和套管动力钳系列产品被评为&中国石油石化装备制造业名牌产品和驰名品牌产品&。

The main products has: ZQ drill pipe power tongs series, QT Series Casing power tongs, FYZ series air-cooled hydraulic, pneumatic winch series, XYQ tubing power tongs series, ZQ-100 suspended or devices.

主要产品有：ZQ钻杆动力钳系列，QT套管动力钳系列，FYZ风冷液压系列，气动绞车系列，XYQ油管动力钳系列，ZQ-100吊升装置等。

Study of the torsion strength and material toughness criteria of drill pipe tool joint［J］.

钻杆接头抗扭强度及材料韧性指标研究［J］。

For the drilling contractor the correct hardbanding can prolong the life of his drill pipe by preventing the tool joint OD wearing.

对于承包商来说，合适的加硬层可以减少钻具接头处的OD损耗，从而延长设备的使用寿命。

Due to the increasing number of deep wells and directional wells being drilled,longitudinal fracture occurred on the box-ended drill pipe tool joint is often reported.

对钻杆接头材料进行SSC试验，发现如果将材料硬度限制在HB310以内，将明显减少钻杆内螺纹接头纵向应力腐蚀开裂失效。

Because there will always be a wellbore casing, but also no longer have to play under the drill pipe within the wellbore swabbing the role, to improve the well control situation.

因为井筒内始终有套管，也不再有起下钻杆时向井筒内的抽汲作用，改善了井控状况。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。