TY - CPAPER AU - Elena Katysheva TI - RISK MANAGEMENT AND COSTS OPTIMIZATION IN DRILLING OF OIL WELLS BASED ON THE APPLICATION OF SMART FIELD TOOLS T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 21st SGEM International Multidisciplinary Scientific GeoConference Proceedings 2021, Ecology, Economics, Education and Legislation PY - 2021 SP - 855 EP - 862 DO - 10.5593/sgem2021/5.1/s21.103 PB - STEF92 Technology ER -