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
格雷依沃克型油管接箍
4.
back-side-crank pumping unit
单拐多连杆抽油设备
5.
air lift rod transfer elevator
气动抽油杆运移吊卡
6.
mule-head hanger
驴头上挂抽油杆的装置
7.
air-balanced sucker-rod pumping unit
气动平衡泵杆抽油机
8.
double pin sucker rod
两头阳螺纹的抽油杆
9.
Crack Failure Analysis on Oil Sucker Rods of 20CrMoA Steel
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
（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
（连接两条管、杆或轴的）圈；箍（尤指机器中的）
12.
nuts of an anchor
有杆锚杆孔上下的杆箍
13.
Development of rod absolute oil tool in workover operations of pumping wells
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;
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;
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
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
隔热油管接箍对井筒热损失的影响与修正