Core barrel tools

Core barrel is a specialized tool used in drilling to extract a cylindrical sample of rock, soil, or ice from the Earth or other surfaces. It is primarily used in the exploration for mineral and geological resources, including oil and gas, minerals, and groundwater, as well as for environmental and geotechnical studies. Roller bit core barrels come in various sizes and designs, including double-tube and triple-tube configurations, to suit different drilling conditions and core sampling requirements. The roller bit core barrel produced by GREAT drill bits factory uses high carbon steel and a special bit Angle to maintain drilling strength and efficiency.