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.
CO_2 Gas Shield Welding of API Beam Pumping Unit
API抽油机游梁的CO_2气体保护焊接
4.
brass running nipple
下抽油杆时所用黄铜护罩
5.
steering knuckle tie rod end pressure lubricator
转向节横拉杆接头油嘴
6.
Grayioc tubing joint
格雷依沃克型油管接箍
7.
FEM ANALYSIS OF SUCKER-ROD PUMPING SYSTEM FOR DIRECTIONAL WELL
定向井有杆泵抽油系统的有限元分析
8.
Stress Analysis of Sucker Rod and Application of Heavy-weight Rod in Directional Well
定向井抽油杆柱应力分析及加重杆的应用
9.
Realization of the interrelated protection on quasi-three-phase running of double circuit lines on the same tower for the 3/2 circuit breaker connection
3/2接线方式同杆双回线路准三相运行相关保护的实现
10.
The Research and FEM Simulation in the Upset Forging Process of Double Frustums Sucker Rod;
双圆台抽油杆模锻工艺及其有限元模拟
11.
The Performance of a beam pumping unit with incremental, stroke is influenced by the linkage dimensions of the cross double rocker mechanism.
增程式游梁抽油机交叉双摇杆机构的杆件尺寸影响整机性能。
12.
Recognition Based on Composite Characteristics and SVM for Sucker Rod's Defects
基于混合特征和支持向量机的抽油杆缺陷识别
13.
Analysis on lateral force of produced fluid acting on the sucker rod in polymer flooding wells
聚合物驱井内流体作用于抽油杆的侧向力解析
14.
Research on Protective Relay Scheme for 220kV Double Circuit Lines on the Same Tower;
220kV同杆双回线继电保护方案的研究
15.
The Study of Relay Protection for 500kV Honggou-Longwang One Tower with Double-Circuit Transmission Line;
500kV洪龙同杆双回线继电保护的研究
16.
back-side-crank pumping unit
单拐多连杆抽油设备
17.
air lift rod transfer elevator
气动抽油杆运移吊卡
18.
mule-head hanger
驴头上挂抽油杆的装置