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Keyword [high-rank coal]
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1. The Prediction Model And Evaluation Of Hydraulical Fracture Of High Rank Coal Reservoirs
2. The Study Of Main Influence Factors On Productivity Of Coalbed Methane Well In JL Coalfield
3. The Parameter Optimization And Software Development About Hydraulic Fracturing For Type Ⅰ Or Ⅱ And High Rank Coal
4. The Impact Of Drilling Fluid Invasion Coalbed Formation On Coal Surface Properties And Seepage Characteristics
5. Study On The Volume Strain And Mechanical Property Variation With Simulation Of Supercritical CO2 Injection Into The High Rank Coal
6. Study On Crack Evolution And Permeability Change Mechanmism Of Medium And High Rank Coal In The Process Of Bearing Stress
7. Research On Mechanism Of CO2 Displacement CH4 And Affects On The Permeability In High Rank Coal Bed
8. Mechanism Of Gas Diffusion-seepage In High-rank Coal And Productivity Evaluation Of Coalbed Methane Wells
9. Research On The Pore Structure Of The Middle And High Rank Coal And Its Controlling Factors
10. The Changes In The Composition And Structure Of High Rank Coal And Superficiality Response Under The Action Of Solvents
11. Application Of Catalyst In Preparation Of Super-Clean Coal By Thermal Solvent Extraction
12. Study On The Condition Optimization And Mechanism Of Enhancing CBM In High-rank Coal By Supercritical CO2 And Microoranisms
13. Study On Multi-stage Fracturing Optimization Of CBM Horizontal Well In Qiyuan Mining Area
14. Study On Nitrogen Injection And Production Increasing Technology In Coalbed Methane Wells
15. Study On The Influence Of Stress Sensitivity On The Liquid Retention Effect In The Middle-high Rank Coal Reservoirs
16. Study On The Effect Of CO2 Injection Conditions On CBM Displacement In High Rank Coal Reservoir
17. Effect Of Clean Fracturing Fluid On Adsorption And Desorption Of Medium And High Rank Coal
18. Molecular Structure Evolution Characteristics Of High Rank Coal Under Different Structural Deformation
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