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1·For screw pump well, the following accidents, such as rod breaking, wax locking and pump burning, always happened.

螺杆泵井运行过程中经常出现杆柱断脱、蜡卡、烧泵等现象。

2·The utility model belongs to the torque testing device of the screw pump well on an oilfield pump recovery wellhead.

本实用新型属于油田机采井口上的螺杆泵井扭矩测试装置。

3·According to the energy loss of every part of screw pump well, established system efficiency analysis model for the well.

根据螺杆泵井各个部分运动特点及能量损失情况，建立了螺杆泵井系统效率分析模型。

4·The submersible electric pump well system consists of such three subsystems as the oil well, submersible electric pump and pipeline.

潜油电泵井系统由油井、潜油电泵机组和管路三个子系统组成，三个子系统既有区别又相互联系。

5·The corrosion and wear of rod pump well cause the damage of downhole equipment and seriously affect the normal production of oil well.

有杆泵井中的腐蚀和磨损，造成油井的井下设备损坏，严重影响油井的正常生产。

6·As a special hydrodynamic sound generator, ultrasonic siren has applicative effects on viscosity reduction, scale removal on electric pump well.

作为一种特殊的流体动力式声波发生器，超声旋笛在电泵井防垢降粘方面有着显著的使用效果。

7·Performance characteristic and stress condition were analyzed in the process of progressive cavity pump well startup and a startup torque dynamic model was established.

对启动过程中单螺杆泵的运动特点和受力情况进行分析，建立了该系统启动扭矩动力学模型。

8·Application of the model results show that the effectiveness and accuracy of other oil fields to enhance the efficiency of screw pump well system has a certain significance.

应用结果表明了该模型的有效性和准确性，对提高其他油田螺杆泵井系统效率具有一定的指导意义。

9·Taking the submersible pump well X8-4-28 in Daqing Oilfield as an example, the optimization of the patterns of artificial lift using the method mentioned above is conducted.

本文以大庆油田潜油电泵井x8 - 4 - 28为例，应用上述方法对该井进行了采油方式的优选。

10·In the light of the frequent breaking of the rod string in a surface driven screw pump well, the force condition of the string in the well is analyzed by means of the elastoplasticity theory.

针对井口驱动螺杆泵抽油杆柱断脱频繁的问题，应用弹塑性理论分析了抽油杆柱在井中的受力状况。