具有原位测量功能的井壁取心器液压系统设计及分析Design and Analysis of Hydraulic System of Sidewall Coring Tool with In-Situ Measurement Function
魏航信;周莹;郭英才;李博;吴伟;
摘要(Abstract):
为实现新型带原位测量功能的取心器井下取心及原位测量的任务,设计了取心器液压控制系统。该系统设计了新型的切换模块液压回路,增加安全阀、双向节流阀、叠加式溢流阀,使切换液压缸入口压力平稳,避免了振荡现象。对钻进控制阀的静、动态特性进行了分析,并基于AMESim建立液压系统的仿真模型。仿真结果表明:钻进液压缸在0~10 s移动0.028 m, 23~50 s移动0.15 m,切换回路液压缸输入压力稳定在1.68 MPa,流量9.50 L/min,无压力波动,活塞杆移动平稳。因此,验证了液压系统设计的合理性和可靠性。
关键词(KeyWords): 井壁取心器;原位测量;液压系统;AMESim
基金项目(Foundation): 陕西省科技厅科技攻关项目(2014K07-20);; 国家自然基金青年科学基金项目(51405385)
作者(Authors): 魏航信;周莹;郭英才;李博;吴伟;
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