1.
Analysis on Mining Released Gas Sources for Surface Borehole Drilling and Gas Drainage
地面钻井抽采采动卸压瓦斯来源分析
2.
Discussion on Surface Wells Extraction Project for Coal and Coalbed Methane Co-production in Fuxin Wulong Coal Mine
阜新五龙矿地面钻井抽采联动方案探讨
3.
Analysis of Surface Shaft Drilling Goaf Gas Extraction at Tunliu Mine
屯留煤矿地面钻井采空区瓦斯抽采分析研究
4.
Study and practice of hybrid coal bed gas drainage by surface drilling
地面钻井式抽采混合煤层气研究与实践
5.
Key rock strata effecting analysis on surface borehole shear deformation fracture
地面抽采钻井剪切变形破坏的关键层影响效应
6.
L-surface Gas Drainage Drilling and Extraction Equipment Optimization of Pipeline System
地面“L”型钻井瓦斯抽采设备与抽采管路系统优化探讨
7.
Gas Drainage Technology of Goaf with Boreholes from Surface Ground of Tangshan Mine
唐山矿地面钻孔抽放采空区瓦斯技术
8.
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
9.
Study on Technology of Surface Drillings Draining Pressure Relief Gas of Coal Seam by Protected;
地面钻孔抽采被保护层卸压瓦斯技术研究
10.
Methane Drainage and CBM Surface Development in Tiefa Mining Area
铁法矿区井下瓦斯抽采与地面煤层气开发
11.
Study on the Law of Movement and Distribution of Gas in Semi-enclosed Goaf on the Condition of Surface Hole Drainage;
地面钻孔抽采条件下半封闭采空区瓦斯运移及分布规律研究
12.
Study on the Law of Movement and Distribution of Gas in Goaf on the Condition of Surface Hole Drainage
地面钻孔抽采条件下采空区瓦斯运移及分布规律研究
13.
Construction Technology and Equipment for Gas Drainage Borehole Drilling in Underground Coal Mine
煤矿井下瓦斯抽采钻孔施工技术与装备
14.
Research on Controlling of Coal Mine Reserves and Border of Recoverable Coal Boundary By Ground Drilling Hole
利用地面钻孔对矿井储量及煤层可采边界的控制研究
15.
Research on ground subsidence mechanism of solution mining by drilling and control countermeasures
钻井水溶开采地面沉降的机理分析与控制对策措施研究
16.
Application of Large-diameter Borehole in the Process of Gas Comprehensive Management in Coal Face
大直径抽采钻孔在采面瓦斯综合治理中的应用
17.
Application of Gas Extraction Technology by High-level Fracture Borehole in Fully Mechanized Caving Face of Thick Coal Seam
高位裂隙钻孔抽采技术在厚煤层综放面的应用
18.
Gas Drainage by Boring Near Seam at 43001 Coal Face
43001采煤工作面上邻近层穿层钻孔瓦斯抽放