Plunger lift is a most efficient substituted technique to successive gas lift production. The key of the technique is control to the motion of plunger.

它是连续气举采油最有效的接替技术，技术的关键是对柱塞运动的控制。

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The case history computation in-situ approves that the model has good dependability and can provide a theoretical base for optimum design of plunger gas lift.

经现场生产实例计算证实，该模型可靠性较高，为柱塞气举优化设计提供了理论基础。

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