1.
The guiding function of mud logging for increasing effective drilling catching rate in reservoirs of horizontal wells
录井对提高水平井储集层有效钻遇率的导向作用
2.
A Brief Explanation of Air Actuated DTH Hammer Drilling Efficiency
空气潜孔锤钻进是提高钻进效率的有效途径
3.
FEA of Efficiency in Rotary Ultrasonic Drilling of Engineering Ceramics;
工程陶瓷旋转超声钻削效率的有限元分析
4.
Promote the efficiency of drilling equipments in tunneling and drilling rocks
提高钻探设备在岩石中掘进钻井的效率
5.
Laser has been found very efficient in drilling small holes.
人们发现激光用于小孔钻眼效率很高。
6.
There was a sudden sparkle as her diamond ring caught the light.
当她的钻石戒指遇到光时, 有阵突然的闪耀。
7.
Brand,Conversion Efficiency and Effective Production Efficiency;
品牌、转化效率与有效率的生产效率
8.
Encounter sites have a small chance of spawning a“ Commander” NPC.
遭遇战地区有很小的几率遇到NPC指挥官。
9.
Functioning effectively;efficient.
有效运用的，有效率的
10.
effective output
有效输出量有效功率
11.
Deviation Percent Model to Analyze Target Hitting of Actual Horizontal Wellbore Trajectories
水平井实钻轨迹中靶效果分析的偏差率模型
12.
Analysis on the Effect Factors of Drilling Work Efficiency and Cost in Geological Survey Project;
影响地调项目钻探施工效率与成本的因素分析
13.
Study on Improving the Drilling Efficiency of the Hailar and Tamtsay Exploration Area
海拉尔—塔木察格探区提高钻井效率技术研究
14.
Experiment on effect of cutter parameters of PDC bit on rate of penetration
布齿参数对PDC钻头破岩效率影响的试验
15.
The efficiency study of traveling hydraulic drive about the down-the-hole drill
潜孔钻机履带行驶液压驱动系统效率研究
16.
ROP increasing method based on the utilization efficiency of hydraulic power for the ultra-deep wells
基于水力能量利用效率的超深井钻井提速技术
17.
Influencing factors to extraction efficiency of surface goaf hole
地面钻孔抽采采空区瓦斯效率影响因素
18.
Discussion on the reason of influencing coalfield drilling efficiency and its countermeasure
浅谈影响煤田钻探效率的原因及其对策