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Keyword [permeability coal seam]
Result: 1 - 20 | Page: 1 of 6
1. Technic Study On Increasing Permeability Of Deep-hole Presplitting Blasting And Its Application In Low Permeability Coal Seam
2. Research On Theory Of Slotting And Enhancing Permeability By High Pressure Rotational Jetting In Low Permeability Coal Seam And Its Appliation
3. Study On Effect Of Intensified Increasing Permeability By Deep-hole Presplitting Blasting In High Gas And Low Permeability Coal Seam
4. Research On Permeability Improvement And Methane Driven Effect Of Hydraulic Fracturing For Low Permeability Coal Seam
5. Research On Directional Drilling Technique Of Gas Drainage In Low Gas Permeability Coal Seam
6. Study On The Technology Of Increasing Drainage In High Gas And Low Air Permeability Coal Seam
7. Integrated Of Key Parameters Of Low Permeability Coal Seam Gas Drainage Drilling Through Layers Of Hebi 4Th Mine
8. Research On Gas Injection And Methane Drainage Numerical Simulation Of Low-permeability Coal Seams
9. Optimization Of Process Parameters And Application Of Along Seam Long Drilling Used For Pre-pumping Coal Seam Gas
10. Experimental Research On The Charge Technology For Cross Strata Antireflective Deep-hole Pre-splitting Blasting
11. Research On Hydraulic Technology For Increase The Permeability Prevention In High-gas-permeability And Low-air-permeability Coalsearn
12. Technology And Application Of Deep High Gas And Low Permeability Coal Seam Hydraulic Fracturing Enhanced Anti-reflection
13. Research And Application On Pressure Relief And Permeability Increasing In Low Permeability Coal Seam By Hydraulic Fracturing In Wu Yang Coal Mine
14. Research On Hydraulic Fracturing Technology Of11313Working Face Of A3of Panbei Mine Coal Seam
15. Research On Gas Extraction Technology By Borehole Through Soft Strata And Low Permeability Coal Seam
16. Study On Permeability Improvement And Release Of Pressure Technology Of Deep Hole Pre-splitting Blasting In11-3Coal Uncovering Of Guqiao South Coal Mine
17. Study On Injecting Heat And Seepage Law In Coalbed Gas Of Low Permeability Coal Seam
18. Study On The Compound Perforating Technology To Improve Permeability Of Coal Seam
19. Experimental Study Of Driving Methane By CO2 Gas Injection About Huainan 11 Slot Coal
20. Experimental Study On The Technology Of Increasing Permeability By Drilling The Coal Bed With High-Prssure Gas
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