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Keyword [Gas extraction]
Result: 181 - 200 | Page: 10 of 10
181. Research On The Technology Of Long Boreholes In Roof Instead Of High Drainage Roadway In N2201 Work Face Of Yuwu Coal Mine
182. Gas Extraction In Geological Research Of Xinyi Mine
183. Collaborative Optimization Of Alkali-fixing Sulfur And Gas Drainage In High-sulfur Coal Mines
184. Experimental Study On Electrostatic Safety Of Non-metallic Gas Extraction Pipes For Mining
185. Research On Technology Of Drilling Combined Rotary With Direction And Related Mud Pulse MWD
186. Physical Simulation Experiment Method Of Hydraulic Punching And Fracturing In Coal Seam To Enhance Gas Extraction
187. Research On Multi-field Coupling Effect Of Hydraulic Punching In Close Distance Coal Seam And Evaluation Of Pressure Release Gas Extraction Effect
188. Thermal Cracking And Displacement For Enhancing Methane Extraction By Phase Transition Of Liquid CO2 Injection In Coal Seam
189. Research On The Worth Of Unconventional Oil And Gas Extraction From Perspectives Of Energy Return And Financial Return
190. Parameters Evolution During Gas Drainage And Numerical Simulation Of Boreholes Optimization
191. Interaction Mechanism And Coupling Flow Characteristics Of Gas-water In Hydraulic Slotted Coal
192. Study On The Instability Mechanism Of The Sealing Section Of The Borehole In Soft Coal Seam And The New Reinforced Seal Technology
193. Research On Intelligent Evaluation Method Of Gas Extraction And Degassing In Goaf Based On Deep Learning
194. Mechanism Of Crack Propagation Around The Drainage Boreholes And Detection Technology
195. A Theoretical And Experimental Study On Carbon Dioxide Phase Transition Induced Fracturing And Antireflection In Low-permeability Coal Seams With Gas-rich
196. Study On Sealing Parameters And Sealing Material Performance Of Gas Drainage Borehole
197. Study On Sealing Control Theory And Technology Of Gas Drainage Borehole
198. Mechanism Of Gas Transport In Water-intrusion Coal Seam And Its Application
199. Study On The Mechanism Of Water Inrush From Floor And Comprehensive Grouting Evaluation For Working Faces With Lower Gas-extraction Roadways
200. The Damage And Seepage Flow Characteristics Of Coal Under Conditions Of Poly-protection And The Rationality Evaluation Of The Coal Mining And Excavation Deployment
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