Being particularly against leakage function of RTTS packer with hydraulicanchor 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。
2
Aimed at the problems of MYT type hydraulicanchor-hole drill in use, the ways to improve the operation reliability of the drill were offered.
针对MY T型液压锚杆钻机在使用中存在的问题，提出了提高液压锚杆钻机工作可靠性的几种途径。
3
In order to simplify and increase the efficiency, the new hydraulicanchor is designed. Through computation, the technical parameters in key parts are determined.