TY JOUR TI THE USE OF LOCAL RAW MATERIALS FOR THE PRODUCTION OF PROPANTS KW hydraulic fracturing technology KW proppant KW organo-mineral binder KW phenol-formaldehyde resin JO Scientific Papers Collection of the Angarsk State Technical University AU Scherbin, S.A. AU Evdokimenko, D.S. PY 2025 IS 2025 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»