TY - CPAPER AU - Rafał Wiśniowski TI - NON-PRODUCTIVE TIME - NPT AS A SELECTING CRITERION OF BOTTOM HOLE ASSEMBLY - BHA T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th SGEM International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration And Mining PY - 2018 SP - 179 EP - 184 DO - 10.5593/sgem2018v/1.5/s01.022 PB - STEF92 Technology ER -