1.
The Law of the Earth's Surface Movement of Crowd Exploitation on Closely Horizontal Coal Seam;
近水平煤层群开采地表移动规律的研究
2.
Study on Angle Parameters of Surface Movement in Flat Coal Seam Mining
近水平煤层开采地表移动角量参数研究
3.
Study on Stability of Flat Coal Layer in Xi Shanping Tunnel;
西山坪近水平煤系地层隧道围岩稳定性研究
4.
No-operator Working Face Mining Research of Nearly Level Extremely Thin Coal Seam Being Difficult to Mine;
难采近水平极薄煤层无人工作面开采研究
5.
Research on In-situ Exploring and Hydraulic Correction Technology for Coalbed Methane Subhorizontal Drilling;
煤层气近水平孔钻进原位探测与水力纠偏技术研究
6.
Research on Coupling Theory of Horizontal Borehole and Coalbed Methane Reservoir
水平井筒与煤层气藏耦合的理论研究
7.
Study on combined mining and exploration for the thin coal seams very close under gob water
极近距离老空水下薄煤层联合开采探测研究
8.
Simulation Research and Actual Measurements on Water Conservation Mining and Overlayer Strata Movement of Thick Base Rock Shallow Seam
近浅埋煤层保水开采覆岩运动模拟研究与实测
9.
Mine Water Prevention and Control Technology of Upward Coal Mining Face with Close Distance to Other Seam
近距离煤层上行开采工作面防治水技术
10.
Effects of Coal-Bed Geometric Parameters and Permeability on Horizontal Well Production in Coalbed Methane Reservoir
煤层几何参数和渗透率对水平井开采煤层气的影响
11.
Hydraulic Characteristics of Limestone Aquifer in Ji Group Coal Floor and Its Impact to Coal Mine Water Filling in No.12 Mine of Pingdingshan Coal Mining Group Corporation
平煤十二矿己组煤层底板灰岩水赋存规律及对矿井充水影响
12.
a nearly horizontal passage from the surface into a mine.
一个近乎水平的通道，它从地面一直进入煤矿中。
13.
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
14.
Study on Inner Dumping Covering Height in Large Near Horizontal Surface Mine
大型近水平露天煤矿内排压帮高度研究
15.
The Hydrogeological Conditions of the Strata Under No.9 Coal Seam of Zhaigou Coal Field
寨沟井田二水平9号煤层底部岩层水文地质条件分析究与应用
16.
A Study on Numerical Simulation Method of Pinnate Horizontal Multilateral Well for Coalbed Gas Recovery;
煤层气定向羽状水平井开采数值模拟方法研究
17.
The Study on Drilling Techniques of Coalbed Methane Horizontal Well in HanCheng Area
韩城地区煤层气水平井钻井工艺技术研究
18.
Tracking Research of Multi-branch Horizontal Well Technology at FanZhuang Coalbed Methane Region
樊庄煤层气多分支水平井开采技术跟踪研究