1.
An Application of Two-way Protection Rod Collars to Highly-deviated Wells in Beach Oilfields
双向保护抽油杆接箍在滩海油田大斜度井中的应用
2.
It can be used in antomatic eddy testing of the tubings with joints, and also in the automatic testing of pump rod.
该设备主要用于带接箍油管的全自动化涡流探伤,也可用于抽油杆的自动检测。
3.
Grayioc tubing joint
![点击朗读](/dictall/images/read.gif)
格雷依沃克型油管接箍
4.
back-side-crank pumping unit
![点击朗读](/dictall/images/read.gif)
单拐多连杆抽油设备
5.
air lift rod transfer elevator
![点击朗读](/dictall/images/read.gif)
气动抽油杆运移吊卡
6.
mule-head hanger
![点击朗读](/dictall/images/read.gif)
驴头上挂抽油杆的装置
7.
air-balanced sucker-rod pumping unit
![点击朗读](/dictall/images/read.gif)
气动平衡泵杆抽油机
8.
double pin sucker rod
![点击朗读](/dictall/images/read.gif)
两头阳螺纹的抽油杆
9.
Crack Failure Analysis on Oil Sucker Rods of 20CrMoA Steel
![点击朗读](/dictall/images/read.gif)
抽油杆20CrMoA断裂失效分析
10.
metal band or ring joining two pipes,rods or shafts,esp in a machine
![点击朗读](/dictall/images/read.gif)
(连接两条管、杆或轴的)圈; 箍(尤指机器中的).
11.
Oining two pipes, rods or shafts, esp in a machine
![点击朗读](/dictall/images/read.gif)
(连接两条管、杆或轴的)圈;箍(尤指机器中的)
12.
nuts of an anchor
![点击朗读](/dictall/images/read.gif)
有杆锚杆孔上下的杆箍
13.
Development of rod absolute oil tool in workover operations of pumping wells
![点击朗读](/dictall/images/read.gif)
抽油井修井作业中抽油杆净油工具的研制
14.
A Dynamics Study on Surface-driving Progressing Cavity Pump of Oil Production System;
![点击朗读](/dictall/images/read.gif)
地面驱动螺杆泵井抽油杆柱力学研究
15.
Development and Application of PCP Special Pumping Rod with Middle Displacement;
![点击朗读](/dictall/images/read.gif)
中排量螺杆泵专用抽油杆研制与应用
16.
The said process for threading non-coupled end of coupled tubing has been proven practical.
油管带接箍后另一端加工螺纹的工艺方案可行。
17.
HEAT TRANSFER EXPERIMENT AND SIMULATION OF VACUUM HEAT-INSULATION OIL PIPE COUPLING
![点击朗读](/dictall/images/read.gif)
真空隔热油管接箍传热实验与模拟研究
18.
The impact of tubing coupling on wellbore heat loss and its correction
![点击朗读](/dictall/images/read.gif)
隔热油管接箍对井筒热损失的影响与修正