1·On its possibilities it can completely pretend the role of basic packer in the system.
就其可能性，它完全可以假装的作用，基本封隔器在系统。
2·The probability of packer sticking is increased because of the casing deformation and crustation in casing failure well.
在套损井中，由于套管变形、结垢等因素，进一步加大了封隔器卡钻的可能性。
3·Being particularly against leakage function of RTTS packer with hydraulic anchor is applied in shallow or under balance pressure extensively.
RTTS封隔器因水力锚自身特有的防窜功能，在浅井测试及负压测试中具有广泛的应用。
4·Sliding steel sleeve at the lower end of rubber barrel is used to make reasonable force arrangement for downhole packer meanwhile the expandable pressure of rubber barrel is decreased.
胶筒下部钢套采用滑套式，在降低胶筒扩张压力的同时，使封隔器在井下受力更合理。
5·Slips are an important component to guarantee the Packer's reliability.
卡瓦是保证封隔器工作可靠性的重要元件。