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XXJ300/500液压蓄能修井机管柱起升速度特性分析

张路军,顾心怿,李继志,潘伟,张爱恩

Shiyou Daxue Xuebao/Journal of the University of Petroleum China（2002）

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Abstract
根据达朗伯原理,建立了XXJ300/500液压蓄能修井机在各力挡下起升管柱时的动力学方程式.通过求解动力学方程式,分析了各力挡下的管柱起升速度随管柱位移变化的动态特性.分析结果表明,XXJ300/500液压蓄能修井机在各力挡下所能起升的最大管柱重力不同;在各力挡下,随着管柱重力的减小和节流阀开口长度的增大,管柱起升速度增大.
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Key words
Dynamic equation,Hydraulic energy-storing workover rig,Lifting velocity,Pipestring,Throttle valve,Weight
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