完成了球塞气举试验装置的结构和控制系统设计。
This paper describes the design of the Pig lifting structure and its control system.
另外,球塞(6)设置在靠近活塞上死点的活塞环所在的部位。
Moreover, the ball plungers (6) are positioned near the piston top dead center, at which the piston ring is positioned.
本文将隆32井采用连续气举卸载与单管球塞气举卸载过程进行了对比分析。
The study completes the contrastive analysis of Long32 continuous gas lift and single string pig lift unloading process.
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