12C 10C 8C triple tube core barrel Conventional Coring Equipment 6C 8C 10C Triple Tube core barrel large size 3C 4C 6C 8C Core Barrel Conventional Coring Equipment Triple Tube Triple Tube Core Barrel Triple Tube Core Barrel is used for exploration of dams, bridges, geotechnical investigation, diamond core drilling, soil investigation, testing of foundation of the high rise buildings as well as mineral exploration for obtaining nearly 100% core recovery. After the triple tube