The nonlinear dynamic characterisitics analysis and its application on sucker rod striings in 3D curved wellbores

【Author】

Wenchang Wang;Qinfeng Di;Yibao Hu;Weiping Zhu;Feng Chen;Mingjie Wang;

【Abstract】

<正>The sucker-rod string in directional well is presented as a superthin elastic beam,and its reciprocate movement is constrained by the 3D curved wellbore.It has a geometrical nonlineanty and contact nonlinearity.At present,the relevant researches are mostly

【Keywords】

well;The nonlinear dynamic characterisitics analysis and its application on sucker rod striings in 3D curved wellbores;

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