In this paper, the failure mechanism of plunger seals for injection pump used in oil field is investigated and the features of existing reciprocating seal structures are evaluated.
对大功率油田注水柱塞泵柱塞密封的失效机理进行了论述，分析了现有几种典型的密封结构。
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.
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。
The effects of the wear of plunger pair on delivery fuel characteristic of fuel injection pump is investigated.
通过实验得出了柱塞偶件磨损对喷油泵供油特性的影响规律。
The effects of the wear of plunger pair on delivery fuel characteristic of fuel injection pump is investigated.
通过实验得出了柱塞偶件磨损对喷油泵供油特性的影响规律。
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