1.
Exploitation and accomplishment of the expert system for selecting the method of gas drainage in coalfield
煤层气抽放方法选择专家系统的开发和实现
2.
Research on Directional Drilling Technique of Gas Drainage in Low Gas Permeability Coal Seam;
低透气性煤层瓦斯抽放定向钻进技术研究
3.
The application of the gas drainage technology in Donghai coal mine is introduced, including gas drainage in close coal layer, gas drainage in goaf, gas drainage from coal, and local gas drainage.
介绍瓦斯抽放在东海矿的应用,抽放方式为邻近层抽放、空区抽放、本煤层抽放及局部抽放。
4.
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
5.
Study on the Technology of Increasing Drainage in High Gas and Low Air Permeability Coal Seam;
高瓦斯低透气性煤层强化增透抽放瓦斯技术研究
6.
Coal Seam Gas-bearing Properties and Theoretical CBM Recoverable Ratios in Wulunshan Mine Area, Guizhou
五轮山矿区煤层含气性与煤层气理论抽采率
7.
There are many kinds of forms of gas discharge, but the main form is soft coal seam gas discharge.
瓦斯抽放形式有多种,本煤层抽放是其主要形式。
8.
The Theory and Its Application on Gas Drainage in Low-Permeability Coal Seams;
低渗透煤层瓦斯抽放理论与应用研究
9.
Primary Study on the Effect of Gas Drainage on Coal Seam Water Infusion
瓦斯抽放对煤层注水效果的影响初探
10.
STATUS AND PROBLEMS OF DRAINAGE AND UTILIZATION OF DOWNHOLE COALBED METHANE IN COAL MINES IN CHINA;
我国煤矿井下煤层气抽采利用现状及问题
11.
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
12.
The use of adjacent area mine gas extraction data for the determination of rationalized time to extract coalbed methane
利用相邻区域瓦斯抽放数据确定煤层瓦斯合理抽放时间
13.
Gas drainage in seam with large auto variable diameter bore holes
自动变径大直径钻孔抽放煤层瓦斯试验
14.
Experimental Research on Gas Drainage of Tunneling Face in Loose and Low Permeability Coal Seam
松软低透煤层掘进工作面瓦斯抽放技术研究
15.
A Study of the Second Hole Sealing Method to Improve Gas Drainage in Coal Seams
煤层瓦斯抽放钻孔的二次封孔方法研究
16.
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
17.
Application of Pressure Relief Drainage Technology in Mining Fold Coal Seam
卸压抽放技术在开采褶皱煤层中的应用
18.
Application & Improvements of Beam Pumpers for CBM Recovery
游梁式抽油机在煤层气开采中的应用与改进