Keyword [hydraulic slotting] Result: 1 - 13 | Page: 1 of 1 1.  Study On The Technology Parameters Optimization Of Hydraulic Slotting Casing Perforation 2.  Study On The Mechanism And Critical Control Technique Of Coal Or Gas Spurt In The Cross-rock-layer Drilling 3.  Weakening-Relaxation Mechanism And Fluid-Solid Coupling Property Of Low-Permeability Coal Sujected To Hydraulic Slotting 4.  Study On The Evolution Mechanism Of Coal And Gas Outburst And Outburst Elimination Engineering Application 5.  Study On The Characteristics And Microscopic Mechanism Of Coal-Breaking Caused By The Transient Dynamic Of High-Pressure Gas-liquid Two-phase Jet 6.  Research On The Performance Of Hydraulic Slotting Technology Applied In Roof And Its Effect On The Gas Drainage 7.  The Mechanism And Method Of Directional Hydraulic Fracturing In Coal Seam 8.  Interaction Mechanism And Coupling Flow Characteristics Of Gas-water In Hydraulic Slotted Coal 9.  The Mechanism And Application Of Composite Fracturing With Hydraulic Slotting For Permeability Enhancement In Underground Coal Mine 10.  Study On The Application Of Hydraulic Slotting Technology In Sijiazhuang Coal Mine 11.  Research On Propulsion System Of Wingding Hydraulic Slotting Machine 12.  Study On Permeability Enhancement Technology Of Hydraulic Cutting In High Gas And Low Permeability Coal Seam 13.  Study On Hydraulic Slit Gas Drainage Technology In JianShe Coal Mine   <<First  <Prev  Next>  Last>>  Jump to

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