1.
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
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.
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
4.
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
5.
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
6.
Study on the Mechanical Characteristics of Bored Shaft Lining Consisting of Inner Steel Sheet and Reinforced Concrete in 600m Thick Alluvium;
600m深表土中内层钢板—钢筋混凝土复合钻井井壁力学性能的研究
7.
Preparation and application of new type high strength and micro expansive panel grouting materials in the high strength drilling shaft lining
高强钻井井壁新型高强微膨胀节间注浆材料研究及应用
8.
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
9.
electrically driven rotary sidewall sampler
电动钻进式井壁取心器
10.
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
11.
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
12.
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
13.
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
14.
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
15.
Drilling, Logging, Mud-logging Managers
钻井、测井、录井处长（经理）
16.
An oil platform.
钻井平台石油钻井平台
17.
The hole was lined with a steel tube to prevent the walls from falling in.
用一根钢管给钻孔加衬，以防井壁坍塌。
18.
drilling practice
钻井实践；钻井习用方法；钻井作业；钻井参数