查询词典 drill pipe

Model ZQ-260/100 Hydraulic Power Pincer is a hydraulic power machinery mounted on a drilling platform for performing screwing and unscrewing pipe cylinder operation on a drill rod or sleeve.

概述与用途：ZQ-260/100型液压动力钳是用来安装在钻井平台上，对钻杆或套管实施上卸管柱螺纹作业的液压动力机械。

The Sleeve Drill Method drilling and cement injection alternated and the Grouting Method grouting from the bottom of the hole using soft pipe bound around the inclinopipe used in the building of inclinohole were suggested for the first time.

提出了有限元分区分析法以及监测网点布置原则；创造性地提出了层状若质边坡测斜孔埋设的&跟浆套钻法&和&软管跟管孔底注浆法&，该方法的应用使&硬滑&地层中的测斜孔深度达到82.5m；首次提出了基于外观成果的边坡安全性综合评判模型和基于内观成果的边坡稳定性预测预报模型。

The disciplines of monitoring mesh designation and the stability analysis methods based on zoning were introduced. The Sleeve Drill Method drilling and cement injection alternated and the Grouting Method grouting from the bottom of the hole using soft pipe bound around the inclinopipe used in the building of inclinohole were suggested for the first time.

提出了有限元分区分析法以及监测网点布置原则；创造性地提出了层状若质边坡测斜孔埋设的&跟浆套钻法&和&软管跟管孔底注浆法&，该方法的应用使&硬滑&地层中的测斜孔深度达到82.5m；首次提出了基于外观成果的边坡安全性综合评判模型和基于内观成果的边坡稳定性预测预报模型。

In Ea st Sichuan region,for example,303 downhole drilling pipe breaking accidents have occurred only during 1996～1997,causing a great pecuniary loss.The key to preve n tion and reduction of the drill string failure lies in prevention.

特别是在深井、超深井及复杂地质环境条件下钻井，钻具失效事故时有发生，四川川东地区仅1996年～1997年间就发生了303次钻具井下断裂事故，造成了很大的经济损失。

Because the cement mortar solidifying time is long,it affected the efficiency of the drilling;If the strength of mortar is not enough during drilling operation,slagging water in the drill hole will run out some mortar,affect the pipe's stability and hole's quality.

由于水泥砂浆固结时间长，影响了钻进的工效；若在砂浆凝结强度不够时进行钻进作业，则钻孔施工的排渣水会将部分砂浆冲出，影响套管的稳定性和成孔质量。

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。