Drill bit NPI.6

The drill bit is designed for drilling wells using roller drilling rigs of domestic and foreign manufacture with auger-pneumatic delivery of drilling fines when drilling soft (M) and soft abrasive (MZ) rocks, soft with medium-hard interlayers (MS), soft abrasive with medium-hard interlayers (MSZ) rocks with hardness factors of up to 7 according to the M.M. Protodyakonov scale. Drill bits are equipped with replaceable cutters, reinforced with tungsten-cobalt alloy plates. The use of NPI.6 drill bits makes it possible to increase the productivity of drilling operations by 1.5 times and reduce energy costs for drilling by 20-25%.