Pilot Hole Drilling

Using a suitable pilot hole drilling BHA (Bottom Hole Assembly), a small diameter pilot hole is drilled from the ground surface. The pilot hole BHA shall spud in at the entry point and drilled into the ground following a predetermined path crossing underneath the elements of obstruction (rivers, lakes, channels, roads, railways, runways, existing tunnels, marsh lands, shorelines and the like). The pilot hole drilling is completed as it punches out of the ground at the designated exit point.