... side entry sub旁通接头 sidetrack drilling侧钻 sidetracked hole侧钻井 sidetrack（ing）侧钻，套管开窗 ...
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sidetrack drilling well 开窗侧钻井
casing sidetrack drilling 套管开窗侧钻
old-well sidetrack drilling 老井侧钻
Positive displacement motor is widely used in sidetrack drilling inside casing because of its excellent dynamic characteristic.
由于螺杆钻具本身具有良好的动力特性，在套管内侧钻中得到广泛应用。
During drilling operation, the track in horizontal interval is controlled and the hang sidetrack drilling technology is successfully used.
在钻井施工中精确控制了水平段轨迹，应用了悬空侧钻技术。
Many techniques are applied to adjustment and tapping potential including directed drilling, sidetrack drilling technique and hydrodynamic methods.
应用定向斜井及侧钻井技术、水动力学方法等进行调整挖潜。
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