考虑工作温度的封隔器橡胶密封性和可靠性评价
发布时间：2018-10-13 09:27
【摘要】：以Y344-142裸眼压裂封隔器为例,在120℃工作温度环境下,通过单轴拉伸试验、平面拉伸试验和等双轴拉伸试验,测定橡胶不同受力状态的应力-应变曲线,确定Mooney-Rivilin橡胶本构模型与材料参数。利用有限元方法,建立了封隔器密封结构分析模型,分析得出了Y344-142裸眼压裂封隔器在坐封力为82k N时,最大剪应力为6.68MPa,最大压应力为19.38MPa,最大接触应力为4.64MPa。提出了用压缩率、密封性系数、线压、面压评价封隔器胶筒密封性和可靠性的方法,该评价方法成功预测了樊154块封隔器的密封性能,在优化封隔器胶筒、判断失效形式上有推广意义。
[Abstract]:Taking Y344-142 open-hole fracturing Packer as an example, the stress-strain curves of rubber under different stress states were measured by uniaxial tensile test, plane tensile test and iso-biaxial tensile test at working temperature of 120 鈩，
本文编号：2268104
[Abstract]:Taking Y344-142 open-hole fracturing Packer as an example, the stress-strain curves of rubber under different stress states were measured by uniaxial tensile test, plane tensile test and iso-biaxial tensile test at working temperature of 120 鈩，
本文编号：2268104
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