In 2015 the first drilling rig ZBO S15 drilled more than 20 000 running meters. The rig is operated in “Zelenogorskgeologiya” (Urangeo) at Mikheyevsky GOK. Drilling is conducted on copper. The chief engineer Mr. Chaschegorov is very satisfied with the machine. The drilling parameters have reached record levels. Annual penetration achieved more than 20 000 running meters.