“sucker rod”造句，怎麼用sucker rod造句

Design of the test device for the frictional abrasion of the sucker rod centralizer

The number of bending wave and deformation shape of a sucker rod string are discussed.

The failure of reinforced plastic fiberglass sucker rod is classified into break and thread off, and the break of the rod body is the common failure pattern.

Analysis on the breaking stress of sucker rod and avoidable measures in Guangbei Area of Bamianhe Oilfield;

The control of constant liquid level is beneficial to raise pump effect and reduce lose rate of equipments such as the sucker rod and pump etc.

When motors with high or hyper rotating variation are used to drive sucker rod pumping systems, relatively high amplitude fluctuations of motor working rotating speed can take place.

These gases hold partial volumes of pump cavity and reduce the fullness in the pump cavity, which will cause the valve ball's opening lag of sucker rod pumps and will even result in the "gas lock".

double pin sucker rod

The dynamic equation of sucker rod for slant straight well has been established using finite element method. It is suitable for single and multiple stages sucker rod.

Analysis on lateral force of produced fluid acting on the sucker rod in polymer flooding wells

The problem of sucker rod string lagging in heavy oil slant hole has seriously restricted normal production.

It can contain much information which is important basic data for failures diagnosis about the work situation of sucker rod pumping oil system.

Yun-Sheng Yantai Petroleum Machinery Parts co., Ltd. was founded in 1997, is currently a two-way protection of domestic production sucker rod coupling is one of the largest enterprises.

In designing the sucker rod, correct the line density, elasticity coefficient, rigidity and so on.

The prevention deflection and wear tools, rotary oil producing wellhead equipment, rotary tubing centralizer and universal sucker rod centralizer, were developed.

fiberglass-reinforced polyester sucker rod

Based on fitting of measured borehole trajectory data and analysis of force and deformation of rod string of surface-driven screw pump, a model for hollow sucker rod system is established.

Study on H_2S corrosion resistance of tungsten alloy plated sucker rod