螺杆泵

与离心泵不同，双螺杆泵的工作压力△P由出口负载决定，即出口阻力来决定。

With the centrifugal pump is different twin-screw pump working pressure △ P export-load decision that the export of resistance to decide .

神经网络自适应PID控制器应用于螺杆泵井过程控制

Application of the adaptive PID controller based on neural network to the automatic control system of screw pump wells

螺杆泵PDM系统框架研究

Research on PDM system frame of screw pump

基于VC++6.0与Fortran混合编程的斜井螺杆泵优化设计

Optimization design on declining-well screw pump based on mixed programming with VC + + 6.0 and Fortran

采用GPRS无线通信方式，实现了对单螺杆泵的远程监控，真正做到了运行现场的无人值守。

Using GPRS wireless communication mode to realize the remote monitoring of single screw pump , really do run the unattended . 5 .

1996年应用PS地层防砂技术，螺杆泵、螺杆泵加电加热杆采油工艺，依靠油藏天然能量开采了该油藏，原油产量迅速上升。

The reservoir natural energy made the oil production increase rapidly by using recovery technologies of PS sand control , screw pump and screw pump ?

并利用ANSYS软件分析了在均匀压力和非均匀压力作用下，螺杆泵定子应力、应变以及轮廓线的变形规律。

In addition , ANSYS was adopted to analyze the stress , strain of the screw stator , as well as the deformation regulation of contour under uniform and non-uniform pressure .

分析了各种可能用于井下螺杆泵驱动减速器的优缺点，确定了以N型少齿差行星齿轮减速器用于井下螺杆泵驱动，编制了井下螺杆泵少齿差行星减速器设计的CAD系统。

Various reducers of downhole screw pumps are investigated . It is proved that the prototype of planetary gears with a small tooth difference can be used for reducer in downhole screw pump . The CAD system for designing this kind of reducer is developed .

介绍了利用面向对象开发工具VC++进行螺杆泵CAPP系统中交互填卡式模块的研究与开发过程，对其中的技术和实现方法进行了比较详细的介绍，并对运行效果进行了展示。

This paper introduces the development and research of interactive filling card module in CAPP system of screw pump using orient-object developing tool VC + + , and its technique and method , and shows the running outcome .

经大庆油田5口井试验表明，液面高度误差均在50m内，实现了螺杆泵恒液面控制目的。

Apply to 5 wells in Daqing Oilfield shows that the errors of level height less than 50 meters , and realized the purpose of control level height by screw pump .

应用自行开发的过螺杆泵电加热降粘技术和引进的可控式金属布防砂管TCP防砂技术，对旅大27-2和旅大32-2油田新近系稠油油藏进行了测试，取得了很好的效果。

Further more , we also got very good effects in testing Neogene reservoirs in LD 27-2 and LD 32-2 fields where we applied a self-developed visbreaking technique of electric heating through screw pump and an introduced sand-control technique of composite metal cloth tube .

采用ANSYS内嵌的APDL语言建立了同步式双螺杆泵螺杆的三维有限元模型，并对模型进行划分网格，施加载荷和计算。

Through three-dimensional finite element model of screws in synchronous twin screw pump based on APDL language embedded in ANSYS , this paper dealt with finite element analysis of dynamic performance , response , mode and critical velocity of individual screw under rated load .

采用单输入多输出（SIMO）方法对螺杆泵驱动头进行实际测试，经过相干函数检验后，得到了真实的传递函数，采用基于传递函数的分量分析法求出了螺杆泵驱动头的模态参数。

Using the SIMO method and practical testing , the real transfer function of driver of screw pumps is established . By means of sub-element analysis , its dynamic parameters are found out .

经现场5口井应用表明：动液面高度控制误差在±45m内，确保了螺杆泵处于稳定的工作状态，提高了采油效率。

Through field application in five wells , the control error of dynamic liquid level height is the range of ? 45 meter and it can ensure that cavity pump is on the stable work state .

通过分析W7、T25井的先导性试验，对螺杆泵在有水气井的适应性进行了探索。

By analysis of the pilot testing in well Wang 7 and Tai 25 , the adaptability of screw pump in water-bearing gas well has been explored .

将齿滚啮合的2K-H型进动机构应用于井下驱动螺杆泵采油系统的减速器中，设计、制造出一进动式减速机，并在实验台上进行了测试，结果满足要求。

The 2K-H nutation mechanism of gear roller mesh is applied to the reducer which drive a petroleum exploitation screw pump under ground . A new nutating reducer was designed and manufactured , and through the test , satisfied result was acquired .

TR-5屏蔽暂堵保护液负压射孔、螺杆泵和小排量电泵开采等，均可减轻对地层的伤害。

In addition , negative pressure perforating using TR-5 screening protective fluid of temporary blocking , production by progressive cavity pump and electric pump of low discharge will all reduce the formation damage .

截至2005年7月底，大庆油田在用聚驱大排量螺杆泵井146口，平均免修期339d，取得了良好的现场应用效果。

By the end of July 2005 , there are 146 wells using large discharge capacity screw pump in polymer flooding and average maintenance free period is 339d . A favorable field application effect has been achieved .

稀油井区螺杆泵采油工艺技术研究

The oil recovery techology with screw pump in thin oil area

螺杆泵杆柱系统的稳定分析

Stability Analysis of Rod String in a Progressing Cavity Pump System

为此，提出了电热杆螺杆泵采油方法。

The method of electrical heating screw pump production is developed .

浅层定向井螺杆泵举升工艺研究

Research on progressing cavity pump lifting technique for shallow directional well

螺杆泵CAD/CAPP/CAM技术的应用

Application of CAD / CAPP / CAM Technique on Screw Pump

螺杆泵是一种新兴的工业用泵。

The screw pump is a new type of industrial pumps .

B型双螺杆泵型线的改进与密封性分析

Improvement and hermeticity analysis of B type double screw pump curve

有杆螺杆泵杆柱强度设计初探

Preliminary research on rod string strength design method for screw pump

常规螺杆泵定子有限元分析

Rational finite element FEM Analysis for a General Screw Pump Stator

螺杆泵油井工况诊断技术研究

TX Research of Fault Diagnosis for The Progressive Cavity Pump System

螺杆泵转速选择应考虑的几个问题

Problems merited consideration when choosing the rotary speed of screw pump

地面驱动单螺杆泵杆柱的组合设计

Design of combined rod string for surface driving single screw pumps