Sealing property of rubber directly restrict its usability. Rubber is a type of super elastic material. Its mechanics behavior is complication under multi-strain in down hole.

封隔器胶筒的密封性能直接制约其使用性能，且胶筒属于超弹性材料，在井下多种载荷作用下，其力学行为复杂。

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The introduction of the super elastic alloy material to the packers is a new way to solve the problems of rubber sealing element.

将超弹性合金材料引入封隔器领域，是解决橡胶材料密封件所存在问题的新途径。

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