The downhole stabilizer location adjuster, fixed between the bit and the drill collar, is a special tool for continual deviation control of a slant hole.
井下稳定器安放位置调节器是斜井旋转钻井时实施井斜连续控制的专用工具， 安装在钻头与钻铤之间。
The statistics of drill tool failures from the oil field shows that failures of the stabilizer are large part of failures of drill tool failures.
现场钻具失效资料的统计分析表明，在钻具失效事故中稳定器失效占有很大一部分。
It is necessary to depend on the control technology of borehole trajectory to drill the extended-reach well successfully. A closed-loop adjustable stabilizer at downhole is developed.
钻成大位移井必须依靠井眼轨迹控制技术，研制的井下闭环可变径稳定器是实现该项技术的关键。
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