侧钻是在油水井某个预定井段的套管一侧开窗，通过窗口钻出新的井眼，然后在这个新井眼中下尾管固定井的全部过程。
n. sidetracking
misc. side tracking
... 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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应用小井眼开窗侧钻技术是降低钻井综合成本，提高原油产量的重要途径之一。
Slim hole sidetracking and window milling technology is one of the effective ways to cut down the comprehensive drilling cost and improve oil production rate.
打水泥塞侧钻。
套管开窗侧钻技术是复活死井、报废井的有效方法。
The technology of casing well sidetracking is an effective way to restore dead well and abandoned well.
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