1.
Structure analysis and design optimization of drilling shaft lining bottom in super-deep alluvium
特厚表土层钻井井壁底结构分析与设计优化
2.
660m depthdrilling shaft lining structure design and analysis of main shaft Ban Ji mine
板集主井660m深钻井井壁结构设计分析
3.
Design Optimization of Drilled Shaft Lining Structure in 1000m Deep Shaft
千米深井钻井法凿井井壁结构设计优化
4.
electrically driven rotary sidewall sampler
电动钻进式井壁取心器
5.
offshore drilling
海底钻探;海上钻井;海上钻探;海洋钻井;海洋钻探;近海钻探;滨外钻探
6.
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
7.
semipacked bottom-hole assembly
半封隔井底钻具组合
8.
three-dimensional bottomhole assembly model
三维井底钻具组合模式
9.
bottom-supported mobile rig
坐底式活动钻井装置
10.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
11.
weight-responsive bottom-assembly
对钻压敏感的井底钻具组合
12.
Hole Stability and Drilling Fluid Optimization Technical Research for BZ13-1 Oilfield
渤中13-1油田井壁稳定与钻井液优化技术研究
13.
A simple means for gas drilling wellbore stability analysis
一种气体钻井井壁稳定性分析的简易方法
14.
Study on Borehole Sloughing and Drilling Fluid Technology for Drilling in Qian'an Area.
乾安地区井壁坍塌机理及钻井液技术研究
15.
Interaction mechanisms of ultra-low permeable drilling fluid for stability of borehole wall
超低渗透钻井液稳定井壁的作用机理研究
16.
Gray situation decision-making of mix ratio of steel fiber concrete in drilling shaft lining
钻井井壁钢纤维混凝土配合比的灰色局势决策
17.
Views on the problems of drilling fluid properties and wellbore stability
钻井液性能及井壁稳定问题的几点认识
18.
Drilling, Logging, Mud-logging Managers
钻井、测井、录井处长（经理）