Horizontal directional drilling (HDD) machines are steerable, trenchless drilling rigs for the installation of pipes, conduits, and cables underground in a shallow arc. They are commonly used for ...

Wait goes on for Indian tunnel workers trapped for 14 days as drilling machine ‘irreparable’ - Officials work towards ...

Whether drilling is horizontal or vertical, using a machine-mounted dowel pin drills promotes safety. Many patchwork jobs require the work to be done in high-traffic areas, which make it of the ...

DEHRADUN: With the horizontal drilling machine hitting yet another hurdle in the collapsed section of a tunnel in Uttarkashi on Friday, authorities sought to expedite the vertical drilling option ...

The machine will help drill a passage so that ... The new equipment - a heavy-duty horizontal drill with an augur or with a drill bit - was flown in by military aircraft in three parts and was ...