Here are some horizontal directional drill (HDD) techniques when working with hard rock. Working Conditions: Hard Rock. -Step 1: Pilot Bore. Tool: Dual Rod Drill Head. Technique: Position Bent Sub for Steering. -Step 2: Pullback. Tools: Hole Opener, Swivel. -Result: Bore Complete.Continue Reading
Bible verse of the day
The LORD shall preserve thee from all evil: he shall preserve thy soul. The LORD shall preserve thy going out and thy coming in from this time forth, and even for evermore.
