钻井工艺参数及合理的钻具组合对井眼轨迹的控制至关重要。
Drilling technology parameter and rational combination of drilling tools is a key for controlling the borehole track controlling.
文中详细介绍导向钻井系统在港深24 - 26井的应用情况、钻具组合、参数优选，并进行效果分析。
The paper presents the application, bottom hole assembly and parameter optimum of steering drilling system in Gangshen well 24-26. Meanwhile, the applied effect is analysed.
钟摆钻具是一种常用的纠斜钻具组合，在钻井中应用极为广泛。
Pendulum assembly is a kind of BHA for hole straightening, which is applied widely in drilling practice.
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