Liebherr is launching the successor to its LRB16 and LRB18 with the debut of the LRB19 piling and drilling rig.

Connected to the Kelly is the drill collar, which puts pressure and weight on the drill bit to make it drill through the rock and sediment. Capping off the drillstring is the drill bit ...

of the rig. These power swivels boast at least 1,000 horsepower that turn a shaft to which the drill string is screwed. Replacing the traditional Kelly or rotary table, the top drive lessens the ...