泵效是指在抽油井生产过程中，实际产量与理论产量两者的比值。 泵效用η来表示，其计算公式为：η=Q液 / Q理×100% 式中Q液为油井实际产量（吨/日）；Q理为泵的理论排量（吨/日），泵效的高低反映了泵性能的好坏及抽油参数的选择是否合适。
泵效率 [机] pump efficiency ; efficiency of pump ; pump
水泵效率 water pump efficiency ; efficiency of pumps
泵效提高 Pump-enhancing ; Pump efficiency enhancement ; Pump efficiency improvement
泵效率测试 pump efficiency test
泵效率检验 pump efficiency check
泵效率测试检验 pump efficiency test check
也称泵效环 pump ring
离心泵效率 Efficiencies for centrifugal pumps
钻井泵效率 pump mechanical efficiency
During regular oil producing with tubing,many wells adopt tubing,sucker rod as matching pipe string. Drop-in material is very many and pump efficiency is low.
在常规有杆采方式中，大部分井均采用油管、抽油杆做配套管柱，材料投入多，泵效低。
参考来源 - 无油管采油技术先导试验 PILOT TESTING OF TUBINGLESS OIL PRODUCING TECHNIQUEMeanwhile discuss the pump efficiency and put countermeasures to the factor which impacts pump efficiency. By this way can provide technical reserves and foundation for the multiphase pump’s design in the future.
同时,对泵效进行了探讨,提出了影响泵效的因素及对策,为该种泵今后的研制开发和优化设计提供了技术储备和依据。
参考来源 - 螺旋轴流式多相混输泵输送气液两相时特性试验研究The pump state chart is mainly described by using relations between flowing pressure and pump efficacy, this way was authorized in 1989, and was used extensively in DaQing Oil Field.
抽油井泵况图目前主要采用流压—泵效的关系加以描述，该方法在1989年得到了认可，并在大庆油田取得了广泛的应用。
参考来源 - 抽油增效辅助决策系统·2,447,543篇论文数据，部分数据来源于NoteExpress
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.
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.
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