Qayumov , A.S., Sattarkulov , L.A. o‘g‘li, Abduqahhorov , A.X. o‘g‘li and Tursinboyev , M.Z. 2023. MOVEMENT OF THE CLAY SOLUTION IN THE BORING PIPE AND DEFINITION OF CRITICAL SPEED OF THE SUSPENSION OF THE FIRM PARTICLE AT HORIZONTAL DRILLING. RESEARCH AND EDUCATION. 2, 9 (Sep. 2023), 244–250.