Application of Great Rock Reamer Hole Opener Hard Rock Formation

Tricone bit is an important tool for oil drilling.

This is a 7 blade Matrix body PDC bit , with Stinger cutters back row, used for very abrasive formation.

Core barrel with roller bit is used in very strong rock formations(compressive strength > 100Mpa)

Raise Boring Cutters OverviewThe raise boring cutters is mainly used for the construction of vertical shafts, ventilation shafts inclined shafts, pressure regulating shafts and escape shafts , and it...