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.

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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.

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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.

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