TY JOUR TI Determination the quality of well perforation by the acoustic probing KW acoustic probing,perforated well KW perforation channels JO Actual directions of scientific researches of the XXI century: theory and practice AU Khusainov, I.. AU Khusainova, G.. PY 2014 IS 2 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov