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Ish: IMPROVING METHODS OF ENERGY- EFFICIENT OPERATION OF DRILLING EQUIPMENT USING VORTEX TUBES WHEN DRILLING WELLS WITH AIR PURGING

  1. The Questions of the Dynamics of Drilling Bit on the Surface of Well Bottom

    Toshov Javohir Burievich

    MaqolaOchiq kirish201634 iqtibos
    ABI