1.
In drilling high angle deviated holes, friction is the main factor affecting the effective WOB.
在大斜度定向井钻井过程中，摩擦阻力是影响有效钻压的主要因素。
2.
Study on Vertical Structural Stability of a Super-deep Drilled Shaft in Slurry
泥浆中超深钻井井壁竖向稳定性分析
3.
3D visualization of hole trajectory in directional well drilling
定向井实钻井眼轨迹三维可视化描述
4.
DRILLING TECHNOLOGY OF THE DEEPEST DIRECTIONAL WELL-LONGGANG 8 IN SICHUAN
四川超深定向井龙岗8井钻井技术实践
5.
APPLICATION OF DIRECTIONAL AND HORIZONTAL WELL DRILLING TECHNOLOGY IN THE RIGHT BANK OF AMDA RIVER
阿姆河右岸定向水平井钻井工艺技术实践
6.
Application of Directional Drilling Technology in Coal-bed Methane Vertical Well Construction
定向钻井技术在煤层气垂直井施工中的应用
7.
AN ALGEBRAIC METHOD OF BOREHOLE TRAJECTORY DESIGN WITH DEFINED BOREHOLE DIRECTION
限定井眼方向待钻轨道设计的代数法
8.
Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine
煤矿井下定向钻进通缆钻杆关键技术研究
9.
The measurement while drilling technology in nearly horizontal directional drilling in coal mines
煤矿井下近水平定向钻进中的随钻测量技术
10.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
11.
medium-radius lateral drilling
中曲率半径侧向钻井
12.
Stduy on Geothermal Well Directional Drilling with Air Foam in Kenya Olkaria
肯尼亚OLKARIA地热井空气泡沫流体定向钻井综合技术研究
13.
C_1+GAMMA geosteering drilling technology for Wei360-H1 well
卫360-平1井C_1+GAMMA地质导向钻井技术
14.
The Research on Logging Geosteering of Drilling Horizontal Well;
水平井钻井的测井地质导向方法与技术研究
15.
Orientation Role of Comprehensive Logging Technique in Horizontal Well Drilling in Western Sichuan Basin
综合录井技术在川西水平井钻井中的导向作用
16.
bottom supporting drilling platform
定柱沉垫式钻井平台
17.
Study on Deepwater Drilling Wellhead Stability Analysis of West Africa JDZ-2-1 Well
西非JDZ-2-1井深水钻井井口稳定性分析研究
18.
Research on optimal azimuth determination of inclined hole and horizontal hole
斜井水平井优势钻井方位确定方法研究