1.
Analysis on Gas Outburst Control Results of Gas Drainage with Large Diameter Borehole along the Seam
大直径顺层长钻孔预抽瓦斯消突效果分析
2.
Research on Outburst Elimination Technology of Large Diameter Long Hole alongCoal Seam in Mine Roadway Heading Face with Gas Pre-drainage
掘进工作面大直径顺层长钻孔预抽消突技术研究
3.
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
4.
Research of Drilling Equipment and Craft for Soft-extrude Coal Along Level Bed
松软突出煤层顺层钻孔装备及其工艺研究
5.
Effect Forecast for Methane Drainage with Parallel Drilling along Coal Seam
顺煤层平行钻孔瓦斯抽采效果预测方法
6.
The application of long auger bored concrete piles in the foundation of high layer buildings
高层建筑中长螺旋钻孔压灌素混凝土桩的应用
7.
Applied Study on Post-Grouting Technology for Long Bored Pile down into Sand Layer
钻孔灌注长桩进入砂层的后注浆技术应用研究
8.
Injection of Marysan with Advanced Long Borehole in Soft Rock Stratum
在松软岩层中用超前长钻孔注射马丽散
9.
Application of Wall Protection with Grouting Under-borehole in Long-spiral Bored Cast-in-situ Pile on Sandy Aquifer
孔底注浆护壁在砂质含水层长螺旋钻孔灌注桩中的应用
10.
Long Borehole Gas Pre-pumping Applied Research on Thick Coal Seam Groups with Coal and Gas Outburst
长钻孔在煤与瓦斯突出厚煤层群瓦斯预抽中的应用研究
11.
Elementary Analysis on Engineering Practice of Large-diameter Deep Long Bored Pile in Soft and Hard Terrane
浅析大直径深长钻孔桩在软、硬质岩层的工程实践
12.
EXPERIMENTAL STUDY OF LOAD TRANSMISSION PROPERTY OF LARGE-DIAMETER BORED CAST-IN-SITU DEEP AND LONG PILE IN DIFFERENT SOIL LAYERS
大直径深长钻孔灌注桩分层荷载传递特性试验研究
13.
Test of digital borehole camera and borehole computed tomography imaging
数字钻孔摄像与钻孔CT层析成像测试试验
14.
The paper sequentially analyzed the starting-crack mechanism of hydraulic fracture bore which lies in coal delamination or lies between two coal delaminations or through many coal delaminations.
进而论文分析阐述了煤分层中钻孔、分层层面钻孔、以及穿层钻孔水力压裂的起裂机理。
15.
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
16.
Investigation about Buried Depth of Up-breakpoint on the Normal Buried Growth Fault--Taking Bore Hole Composite Profile of Buride Fault in Yinchuan as an Example
正断型隐伏生长断层上断点埋深的研究——以银川隐伏断层钻孔联合剖面为例
17.
DISCUSSION OF TECHNOLOGY FOR DISPLAYING THE BORE STRATA HISTOGRAM IN-PHASE WITH DRILL
钻进时同步显示钻孔地层柱状图技术探讨
18.
Construction Methods for Rotary Excavating Drilling Machine for Pile Foundation of Weak Geological Layer
软弱地质层桩基旋挖钻机钻孔施工工法