In addition, balance weight of hoisting system and HPHT simulation wellbore all can be placed in the bottom, and improve the system of passive safety.

另外，起升配重及高温高压模拟井筒可全部置于设计的人工井底，提高了系统的被动安全性。

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Dynamic simulation has been used in this paper to study the characteristics of variable wellbore storage behavior and its interpretation method.

本文用动态模拟方法研究了变井储动态特征及其解释方法。

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Experimental simulation system is employed to investigate the variable mass flow in perforation completed horizontal wellbore.

设计并建立了水平井筒变质量流动模拟实验装置。

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