Simultaneous Casing Setting
HD offers a specialized range of tools for installing casing in the hole simultaneously while drilling. Popular methods are down-the-hole hammers for large sizes of casing and hydraulic percussive devices for smaller diameters. A wide range of tooling is available for casing sizes ranging form 100 mm (4") to 800 mm (32"). Also see DTH Underreaming Systems and Downhole Hammer Drilling.