堵芯为特种橡胶制品，对泵效的影响小对，结构合理。
The blocked chip is a special rubber product which has little effect on the pump and a reasonable structure.
计算机可按流量、压力、电流和泵效等点动控制泵的工况。
The computer can manipulate operating pump mode according rate of flow, pressure, electricity or pump efficiency.
通过举例计算，说明泵腔内气体的压缩效应对泵效损失影响很大。
The impacts of gas compressive effects in Chambers of rod pumps on pump efficiency are exemplified through real calculation.
典型井实例证实了该技术能够提高高油比抽油井泵效，增加产量。
The technique is proved to improve the efficiency in high gas-oil ratio pumping well by the cases of representative Wells.
目的加深抽稠泵在水平井中的下入深度，以增加沉没度，提高泵效。
Purpose To deepen the entrance depth of pump in horizontal well so as to increase submerge degree and improve pump efficiency.
利用该关系图对泵效低下的油井沉没度进行调整，取得了较好的效果。
Immersible degrees in oil Wells with low pump efficiency were adjusted by using the relation curves.
为了减少气体对泵的影响，提高抽油泵泵效，设计了井下复合式气锚。
Downhole gas separator is designed to reduce impacts of gas on oil pump and improve pump efficiency.
由于结构需要，抽油泵的防冲距是高含气井中影响泵效的重要因素之一。
Due to structure needed, Anti-impact stroke is one of the important factors that have great influence on the pump efficiency of high-gas-contained oil well.
分析了助流举升技术提高泵效的机理，提出了助流举升管柱的设计步骤。
The mechanism for improving the pumping efficiency with the technique is analyzed. Design procedures are proposed for the lifting string of fluid assistance.
通过软件计算，可确定出抽汲参数、抽油杆、扶正器间距和泵效的最佳组合。
After calculating, the be st combination of pumping parameter and pumping rod and interval of stabilizer a nd pump efficiency are shown, which...
为了减少气体对泵的影响，提高抽油泵泵效，研制了井下复合式气液分离器。
In order to reduce the influence of gas on pumps and improve the pumping efficiency, a combined downhole gas-liquid separator is developed.
在现场应用中充分表现出了泵效高、系统效率高的特点，显示了良好的工作性能。
It has put up high pump efficiency and high system effectiveness sufficiently, shown good working performance.
在含水率较高的大排量浅井中，流体的惯性效应使设备负荷增加，并降低了泵效。
Fluid inertia effects increase equipment loading and reduce efficiency in high rate shallow Wells with high water production.
研究结果表明改进型斜井泵的内部结构的改进和材质的优选是泵效提高的主要因素。
The results show that the improvement of the slant improved oil-well pump 's internal structure and the optimization of the materials are the main factors to improve pump efficiency.
为了提高这部分油井泵效，对泵效影响因素进行分析，发现了气蚀效应对泵效的影响。
To improve the pump efficiency of these Wells, this paper analyzes the factors that affect pump efficiency and founds out the effect of cavitation erosion on it.
实施以后，在保证了液量和油量不变的情况下，泵效提高了11.9%，日节电48度。
After the implementation of at guaranteed the same amount of fluid and fuel, the pump efficiency improve by 11.9%, saving 48 degree day.
二连油田有32%的抽油机井泵效低于30%，为此有针对性地引进了增抽扶正器配套工艺。
The pump efficiency of 32% rod pumped Wells in Erlian Oilfield is lower than 30%, and increasing production centralizer is introduced to solve this problem.
如果油井产出气量较大，则这些气体对深井泵的泵效将产生很大影响，严重的井甚至发生气锁。
The gas will effect the pump efficiency of deep well-pump, if the amount of the gas of oil well is large, even gas locking occurs.
针对辽河油田蒸汽吞吐油井存在气锁、出砂、后期油稠泵效降低的状况，研制了强启闭柱塞抽油泵。
A forced-closing-and-opening plunger pump is developed to solve the problems of gas lock and sand inflow and low pump efficiency in steam injection Wells.
为了防止抽油泵柱塞上凡尔罩断脱，提高抽油泵泵效，对原抽油泵柱塞上凡尔罩结构及材质进行了分析。
In order to prevent the topside valve housing of the plunger from breaking and increase the pumping efficiency, we analysed the texture and material of the original and find its failure.
这样，就可以计算出诊断喷射泵井工况所需要的压力比，流量比和泵效等工况参数，泵吸入口压力还可用来计算油井的产能曲线。
The inlet pressure of the jet pump can also be obtained by the pressure ratio, and it can be used for acquiring the productivity curve of an oil well.
采用多效带压泵的浓缩系统，可大大减少加热蒸汽的消耗量，降低生产成本。
The application of concentration system with multi - effect thermal compression pump could reduce the consumption of the steam and lower the production cost.
本文拟对三效蒸发器的热压泵进行探讨、设计。
The design of thermal -compression - pump in multi -effect evaporator was discussed.
本发明的方法不使用强制循环效及强制循环泵，能够节约蒸汽及电耗，其效果十分显著。
The method does not use the effect of forced circulation and a forced circulation pump, can save steam and electricity consumption and has obvious effect.
本发明的方法不使用强制循环效及强制循环泵，能够节约蒸汽及电耗，其效果十分显著。
The method does not use the effect of forced circulation and a forced circulation pump, can save steam and electricity consumption and has obvious effect.
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