1.
Inverter Power Supply of Coal Drilling Based on DSPic30F3011
基于DSPic30F3011的逆变式煤电钻电源的研究
2.
Development of 6kVA High-power Integrated Electric Coal Drilling Device for Coalmine Use
6kVA大功率井下煤电钻综合装置的研制
3.
A New Type of Electric Drill Comprehensive Protection Device Based on the Current Changing Rate to Test Short Circuit Protection;
一种检测短路保护的新型煤电钻综合保护装置
4.
Study on Carrier Frequency Short Circuit Protection of Integrated Protector for Coal Electric Drills
煤电钻综合保护装置中载频短路保护技术研究
5.
Identification of coal block tcxture with core and application
用钻孔煤心鉴别煤层煤体结构及其应用
6.
Research on Direction Control Techology of Auger Drill Miner Drill
螺旋钻采煤机钻具定向控制技术的研究
7.
Research of Key Technology with Drilling Stem Fixed with Cable in Directional Drilling under Coal Mine
煤矿井下定向钻进通缆钻杆关键技术研究
8.
Application of Triangular Drilling Rod to Gas Drainage Borehole Drilling in Medium Soft Seam
三棱钻杆在中软煤层顺层瓦斯抽排钻孔的应用
9.
Application of Drilling Engineering in Fracturing Test Borehole of Gasification Coal Mining
钻探工程在气化采煤压裂试验钻孔中的应用
10.
The measurement while drilling technology in nearly horizontal directional drilling in coal mines
煤矿井下近水平定向钻进中的随钻测量技术
11.
The Better Chosen of the Field Arrangement of the Drill Hole Pulls Out Putting Drills and the Drill Hole Parameter of the Coal Bed Gas in PanJiang Mining Area;
盘江矿区煤层气钻孔抽放钻场布置及钻孔参数优选
12.
Application of Cuimiao Coal Drill Protection Layer Face Shearer Style in Drilling
崔庙煤矿保护层工作面钻采煤机在钻采中的应用
13.
Light Drills Digs "Three soft" Coal Bed Coal Lane Tunneling Application
轻型钻掘机在“三软”煤层煤巷掘进中的应用
14.
Application of Anti-well Drilling Rig to Main Shaft Coal Bunker Construction in Xinyi Coal Mine
反井钻机在新义煤矿主井煤仓施工中的应用
15.
Application of Directional Drilling in CBM Exploration
定向钻进技术在煤层气勘探中的应用
16.
The Structural Principle and Application Practice of Coal Auger
螺旋钻采煤机的结构原理和使用实践
17.
Technology Analysis of the Domestic Rig Used in CBM
国内煤层气井用钻机技术分析与研究
18.
Design Scheme and Practice of the Coal-bed Gas Drilling in Fuxin
阜新煤层气钻井设计方案分析与实践