... are widely used for wireline core drilling Wireline Q series Core Barrel Wireline drilling is the special ... length core barrels are avaiable. Wireline series Core Barrel available:Q series Core Barresls: AQ, BQ, NQ, HQ, PQ ... also supply NMLC, HMLC Core Barrel.Double Tube & Single Tube Core Barrel: NWG, HWGWe will feel happy to ... upon receipt of your detailed requirements. Wireline Q series Core Barrel