... are widely used for wireline core drilling Wireline Q series Core Barrel Wireline drilling is the special method ... 3.0m length core barrels are avaiable. Wireline series Core Barrel available:Q series Core Barresls: AQ, BQ, NQ, HQ, ... PQ, NQ3, HQ3T series Core Barrels: T2-56, T2- ... receipt of your detailed requirements. Wireline Q series Core Barrel