1) directional drilling
定向钻
1.
On-site crossing test of small-sized directional drilling and its application;
小型定向钻现场穿越试验及应用
2.
The application of trenchless installation directional drilling technology in city gas construction;
非开挖定向钻技术在城市燃气建设中的应用
3.
Initial analysis on crossing control method by directional drilling
定向钻穿越施工控制方法
2) directional drilling machine
定向钻
1.
The basic work principle and equipment composition of non-excavation technique of directional drilling machine have been introduced in this paper.
介绍了采用定向钻非开挖技术的基本工作原理与设备组成。
3) directional drilling
定向钻井
1.
Improvements of normal surface scan algorithm for directional drilling;
定向钻井法面距离扫描算法的改进
2.
This paper mainly introduces the application of naturally-communicated well pair and directional drilling communicated well pair in Jiangxi Salt Mine Co.
文章主要介绍了自然连通井组,定向钻井连通井组在江西盐矿有限责任公司的应用实际,分析了各自在多层薄层盐矿床开采中的特点,提出定向钻井连通井组为最佳开采工艺选择。
3.
During directional drilling,tool face often deviated from the desired direction due to the friction caused by the relative motion(rolling and sliding) between the bit and the formation.
定向钻井中,钻头与地层之间的相对运动(滚动和滑动)所产生的反扭矩导致工具面不断偏离井眼设计轨道,为解决该问题,国外石油公司研制出了一种全新的无反扭矩钻井装置,并进行了初步的现场试验。
4) directional drilling
定向钻进
1.
The application of horizontal directional drilling technology in municipal pipeline;
水平定向钻进技术在市政管线上的应用
2.
Application of polar stereographic projection in the well trajectory design and calculation of directional drilling
极射赤平投影在定向钻进轨迹设计计算中的应用
3.
For mining CBM effectively,directional CBM production wells were drilled through the application of directional drilling.
为有效开采煤层气,应用定向钻进技术施工煤层气定向井。
6) directional sidetracking
定向侧钻
1.
Application of directional sidetracking technology inside casing in Shengli petroliferous province;
套管内定向侧钻技术在胜利油区的应用
补充资料：定向障碍
定向障碍
disorientation
丧失判断自己与周围环境的正常位置的能力，常见于精神病。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条