Directional drilling rigs, large

Ideal for large diameter and long reach pipeline crossings or utility construction projects, the American Augers DD-625 drill rig provides 625,000 pounds of thrust/pullback power and 80,000 foot-pounds of maximum rotary torque.

Robert Carpenter, Editor

While the overall market recovery for horizontal directional drilling appears to be improving at the mid-year point of 2011, many contractors are still struggling with sluggish economic conditions.

Traci Read, Senior Editor

When horizontal directional drilling (HDD) professionals discuss the size of an HDD rig, they usually refer to the maximum pullback force the unit can develop. The most common industry standard for a large directional drilling unit is defined as having a minimum of 100,000 pounds of pullback force. In addition to pullback, the most common specifications used to categorize HDD equipment are rotary torque of drill stem, rotation speed and the size of drill pipe.

HDD rig specifications from TT Technologies, Ditch Witch, Central Mine Equipment, Vermeer, American Augers, Barbco, Astec Underground and Universal HDD.

The Big Texas Road Show, a seven-stop tour of Ditch Witch® dealerships in Texas, wrapped up in June after having showcased a wide range of Ditch Witch equipment to approximately 800 customers and potential customers.

The UNI 160x240 horizontal directional drill was specifically developed for heavy and long range construction applications.

Erin Nelsen, Online Editor

The opening of UCT 2010’s exhibit hall ushered an impatient crowd over the logo carpeting and into a full-up venue, 125,000 square feet of space studded with heavy equipment and new technology. “Everybody’s always in a good mood at this show,” one longtime exhibitor noted.

Traci Read, Senior Editor

When horizontal directional drilling (HDD) professionals discuss the size of an HDD rig, they usually refer to the maximum pullback force the unit can develop.

Ron Walker

The recently completed Line 108 Replacement Project featured the use of HDD for portions of the pipeline installation beneath two rivers and two extremely sensitive natural areas.

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