1.
5.9 The penetration rate (ROP) has been 6.18 meters per hour.
机械钻速为6.18米/小时。
2.
The design and application of mechanical cast-in place pile construction aiquille and pile casting
机械钻孔灌注桩施工钻头及护筒的设计与应用
3.
A Study on the Theory and Technology of Drilling Fluids to Increase ROP.
提高机械钻速的钻井液理论与技术研究
4.
THE ROP ANALYSIS OF 12(1/4) IN. HOLE SECTION DRILLING WITH MUD IN LONGGANG DISTRICT
龙岗地区12(1/4)英寸泥浆钻进井段机械钻速分析
5.
IMPROVING THE RATE WHILE DRILLING DEEP,OR ULTRA DEEP WELL IN THE COMPLEX GEOLOGICAL STRUCTURE OF EAST SICHUAN
提高川东复杂地质深井超深井机械钻速的研究
6.
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。
7.
Analysis of Geothermal Condition in the Xiangshan-region of Beijing and Investigation of Relation between Stratum and Penetration Rate;
北京香山地区地热条件分析及机械钻速与地层关系研究
8.
Application of End-grouting Bored Pile in the Foundation Design of Xunda Edifice
机械钻孔灌注桩桩底注浆在迅达大厦基础设计中的应用
9.
engineering boring and drilling devices
工程钻探和掘进机械
10.
Research on the Drill Pipe Transportation Manipulator of Horizontal Directional Driller and the Control System
水平定向钻机钻杆输送机械手及控制系统研究
11.
worm-type mechanical hand-feed drill
蜗杆式机械手动推进钻机
12.
multiple boring machine [for working metal]
钻探或开凿机械[自动推进的]
13.
Mechanical properties of fasteners--Self-drilling tapping screws
GB/T3098.11-1995紧固件机械性能自钻自攻螺钉
14.
Properties Research on the Hydraulic Tools of the New Type of Water-saving Drilling Technology;
新型节水钻探技术水力机械特性研究
15.
Kinematical analysis and modeling of drilling manipulator in rock drilling machine
凿岩钻车机械臂的运动学分析与建模
16.
Simulated Investigation of Movement Controlling of Wellhead Mechanized Devices of Petroleum Rigs;
石油钻机井口机械化装置的运动控制模拟研究
17.
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
18.
The geological prospecting enterprises completed a total of 5.36 million meters of drilling.
地质勘查完成机械岩心钻探工作量536万米。