Core barrels СК-178/80 (100) BIT are purposed for drilling with core recovery by core bits 212,7 mm diameter with a hydraulic bottom motor or with a rotor in rock formations of I-III category of coring difficulty. High core recovery is achieved by using spiral stabilizers of the body, a plastic inserts and ballpoint centralizers of a core lifter. For drilling with a bottom motor cory barrel are packed with crossover sub and joint of bowl draw-off. Depending on technical-technological and geological demands core barrels can be supplied as one section unit.
