Method of pouring water into borehole to explore on the height of crack belt;
在含煤地层被厚松散层覆盖区域 ,采用钻孔注水法探测导水裂隙带高度 ,具有装置简单、工程量少、观测结果准确可靠、效果明显等优点。
Research of Water Well Rigs and ANSYS Analysis of Pivotal Parts for Red Beds Region;
本文综合现代设计方法中的优化技术与传统设计理论,借鉴国内外已有的研究结果,结合红层地区的特点,对水井钻机进行结构设计,运用ANSYS有限元优化软件进行钻机关键零件的优化设计。
The application of water well drilling in construction of PHC pile;
水文钻机解决某工程PHC沉桩的技术初探
Simulation Research on Drill Pipe of 2000 Meter Water Well Rig;
2000m水井钻机的钻杆仿真研究
SHALLOW HORIZONTAL DRILLING TECHNOLOGY BY USING VERTICAL-WELL RIG IN HENAN OILFIELD
河南油田直井钻机钻浅层水平井钻井技术
ERW Drilling and Completion Technology in Ultra-Shallow Heavy Oil Reservoir with Conventional Vertical Rig
直井钻机钻超浅层稠油大位移水平井钻井完井技术
To bore(a shaft) with a trepan.
钻用钻井机钻（矿井）
Calculation method of rig hook load on deepwater drilling platform
深水钻井平台钻机大钩载荷计算方法
Mechanism and parameter study of jet hydraulic drilling for decreasing bottomhole pressure
射流式水力降压钻井机理与参数研究
Raise-boring machines
GB/T12761-1991天井钻机
spider bow [for well drilling machines]
星形斗[钻井机用]
It sets good records on drilling cycle, net drilling time and average ROP in the same kind of horizontal wells.
该井的完成 ,创同类型水平井钻井周期、纯钻时间、平均机械钻速的国内好成绩。
kelly for well-drilling machiens
旋转钻孔,钻井机用
mixed oil drilling rig
复合式石油钻井钻机
On Hydraulic Auxiliary Mechanical Rock Breaking Mechanism in Drilling
石油钻井中水力辅助机械破岩机理研究
Analysis of sidetracking horizontal well drilling and completion technique in the 33-12-14CH well named Tuo
坨33-12-14CH侧钻水平井钻完井工艺分析
Research on the Drilling Rigs System Mode Option and Layout Optimization for Deepwater Semi-submersible Drilling Unites
深水半潜式钻井平台钻机系统选型与布局优化研究
Research on Key Technique of the Measure-controlling System of an Underground Horizontal Drilling Machine;
井下水平钻孔机测控系统若干关键技术研究
Researches on the Mechanism and Properties of High Temperature Resistant Water-Based Drilling Fluids with High Density
抗高温高密度水基钻井液作用机理及性能研究
Stability Study of the Measure and Control System of an Underground Horizontal Drilling Machine
电控式井下水平钻孔机测控系统稳定性的研究
Study of Soil Adsorption Capacity on Organic Pollutants in Drilling Wastewater
土壤对钻井废水中有机污染物吸附作用研究