The horizontal well has the feature of large borehole deviation and long well section. For studying on sand washing technology, a series of special tools is used to wash the horizontal section over through.
根据水平井井斜大、生产井段长的特点,通过对水平井冲砂作业技术的研究,应用一系列专用工具,能够实现对水平井段进行彻底冲洗。
参考来源 - 锦州油田水平井冲砂作业技术研究与应用·2,447,543篇论文数据，部分数据来源于NoteExpress
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。
The borehole deviation correction technique with bottom hole assembly and its application in Xinjiang oil Well YX-1 were introduced.
介绍了井底钻具组合纠偏技术及其在新疆YX - 1油井中的应用。
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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