Keyword [Drilling speed] Result: 61 - 65 | Page: 4 of 4 61.  Optimization Design Of PDC Bit For Conglomerate Formation In Mahu Area 62.  Application Of Self-excited Oscillating Percussion Tool In Xinjiang Oilfield 63.  Design And Research Of Speed-increasing Tool For Axial Percussive Drilling 64.  Simulation Research On The Acceleration Mechanism Of Impact Rock Breaking 65.  Research On Hydraulic Impact Downhole Power Drilling Tools   <<First  <Prev  Next>  Last>>  Jump to

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