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.
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.
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.
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.
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.
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.
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.
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