1·This "directional drilling" has several advantages
这种“定向钻取”的优势如下
2·It has a practical significance on construction of directional drilling.
对正确指导定向井施工具有较大的实际意义。
3·Finally, the optimization of the most secure directional drilling program.
最后，优选安全性最高的定向钻穿越方案。
4·The design of centralizer assembly is the basic and key job for directional drilling.
扶正器组合设计是钻定向井基本而关键的工作。
5·All of the directional drilling applications described here are carried out by REI drilling, Inc.
这里介绍的均为REI钻进公司在定向钻进方面的应用。
6·The application of horizontal directional drilling technology in municipal pipeline is introduced.
介绍了水平定向钻进技术在市政管线上的应用。
7·Horizontal Directional Drilling technology is widely used in urban underground pipe laying engineering.
在非开挖工程中，水平定向钻进技术广泛应用于城市地下管线铺设工程。
8·It is a combine of directional drilling technique on land and manual mud-penetrator technique undersea.
它是将陆地定向钻技术与水下人工攻泥器技术相结合，构成一种新的可控穿千斤攻泥器。
9·This paper discussed the horizontal directional drilling trace optimization design in no-dig engineering.
水平定向钻进轨迹最优化设计进行了深入研究。
10·Electronic directional drilling system consists of downhole tool and sur - face data processing equipment.
电子式定向仪由井下仪器及地面处理设备组成。