TY CONF TI ANALYZING HYDRAULIC FRACTURING DATA KW oil well KW water hammert KW natural oscillations KW hydraulic fracturing KW big data KW cepstrum JO OPERATOR EQUATIONS AND SOME RELATED ISSUES IN APPLIED MATHEMATICS AU Maksimov, M.S. AU Khusniyarov, R.M. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov