... Assembly,Hosti NQ HQ Core Barrel, Casing Tube, Overshot Assembly,Hosting Plug, Drill RodNQ HQ Core Barrel, Casing Tube, Overshot Assembly,Hosting Plug, Drill Rod Wireline drilling ... one at a time. With wireline drilling, a barrel of core can be removed from ... length core barrels are avaiable. Wireline series Core Barrel available:Q series Core Barresls: AQ, BQ, NQ, HQ, PQ, NQ3, HQ3T series Core Barrels: ...