1.
A Primary Study on the Frictional Power of Sucker Rod String in Wells
标准试验井抽油杆摩擦功率的初步研究
2.
The Design and Experimental Study of the Friction and Abrasion Testing Machine for the Pumping Rod s Centralizer;
抽油杆扶正器摩擦磨损试验台的研制及摩擦磨损试验研究
3.
Design of the test device for the frictional abrasion of the sucker rod centralizer
往复式抽油杆扶正器摩擦磨损试验装置设计
4.
Analysis for Dynamic Characteristics of the Sucker-rod Pumping System Based on LuGre Friction Model
基于LuGre摩擦模型的有杆抽油系统动态特性分析
5.
Dynamic Analysis on Beam Pumping Unit Considering Firition;
考虑摩擦的游梁式抽油机动力学分析
6.
Analysis of Friction Forces in Polished Rod Load on Pumping Units for Thick Oil Recovery
稠油开采区抽油机悬点载荷中摩擦力的分析
7.
Abstract: The friction-wear test machine is used to study friction and wear about rod-having pump system.
文摘:该摩擦磨损试验台是针对有杆采油系统进行摩擦磨损试验研究而研制的设备。
8.
Research on Controlled System of Heat-treatment of Drill Pipe Joint after Friction Welding Which is Based on PLC Technology;
石油钻杆摩擦焊接头焊后感应热处理PLC闭环控制系统研究
9.
A Study on the Tribological Performance of the Materials of the TI Worm Pairs and the Lubricating Oil with Nano Particles;
TI蜗杆副材料及含纳米粒子润滑油摩擦学性能研究
10.
Influence of friction disk oil groove of wet friction clutch on transient heat transfer
湿式摩擦离合器摩擦片油槽对瞬态传热的影响
11.
back-side-crank pumping unit
单拐多连杆抽油设备
12.
air lift rod transfer elevator
气动抽油杆运移吊卡
13.
mule-head hanger
驴头上挂抽油杆的装置
14.
air-balanced sucker-rod pumping unit
气动平衡泵杆抽油机
15.
double pin sucker rod
两头阳螺纹的抽油杆
16.
Crack Failure Analysis on Oil Sucker Rods of 20CrMoA Steel
抽油杆20CrMoA断裂失效分析
17.
Boundary friction is independent of the guide material used.
边界摩擦与导纱杆材料质地无关。
18.
Study of the automatic loading and unloading system for the friction welding of drilling rod
钻杆摩擦焊接自动上下料系统的研究