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.
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.
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.
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.
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.
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.
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.
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.
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.
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