TY JOUR TI ACCUMULATION OF FREE WATER IN GAS SUPPLY SYSTEMS WITH LIQUEFIED GAS WITH INCREASED BUTANE CONTENT KW liquefied hydrocarbon gas KW free water KW accumulation KW operation of gas supply systems KW minimum level of filling of reservoirs with gas KW number of refuelings per year JO Bulletin of Belgorod State Technological University named after. V. G. Shukhov AU Osipova, N.N. AU Kultyaev, S.G. PY 2022 IS 7 PB Belgorod State Technological University named after V.G. Shukhov