TY JOUR TI Risk Management at Operation of Hydro-geological Wells KW hydro-geological wells operation KW ecological risk KW production risk KW methods of risk analysis and assessment KW risk forecasting KW reliability KW risk management KW mathematical model KW efficiency. JO Safety in Technosphere AU Guo, H.. AU Zababurin, V.. AU Tretyak, A.. AU Frolov, A.. PY 2012 IS 1 PB INFRA-M Academic Publishing LLC.