... deviation of control 第偏差 ; 调节偏差 borehole deviation control 防斜 Standard Deviation Control Chart 平均数 ...
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But the research on borehole deviation control is very few.
但在井斜控制方面的研究还很欠缺。
This paper introduces successful construction method and control measure currently used for holedrill, borehole deviation, protection tube, and embedment and installation of bimetal mark.
介绍了目前比较成功的倒垂孔钻孔、钻孔偏斜、保护管安装、双金属标的埋设及安装等施工方法和控制措施。
At present the study on gas drilling in terms of borehole deviation mechanism and control method is very few and has not form a theory of large scale systems at home and aboard.
国内外对气体钻井井斜机理及控制方面研究较少，还没有形成系统的理论和技术。
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