... for wireline core drilling Wireline Q series Core Barrel Wireline drilling is the special method of removing the core. When ... 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, T2-66, T2-76,T2 ... -86, T2-101, T6-131WF series Core Barresls: HWF, PWF, SWF, UWF, 412F We ...