Directional drilling rigs, large

TT Technologies Offers New Line Of Prime Drilling HDD Rigs
December 2012, Vol. 67 No. 12

TT Technologies is now offering the latest line of Prime Drilling HDD drill rigs ranging in size from 72,000 pounds through 135,000 pounds of pullback.

Energy Growth Fuels Large HDD Rig Boom
Jeff Griffin, Senior Editor
September 2012, Vol. 67 No. 9

Horizontal directional drilling (HDD) as it relates to utility construction usually is dated from the late 1980s when the first compact drill units became commercially available.

Tackling The Big Jobs: World’s Largest Auger Boring Machine Finds Plenty Of Work In Canada
Jeff Griffin, Senior Editor
September 2012, Vol. 67 No. 9

A huge auger boring machine -- said to be the world’s largest -- has been busy in Western Canada on projects with a variety of conditions.

HDD Rigs: Equipment Spotlight
September 2012, Vol. 67 No. 9

HDD rigs from TT Technologies, Barbco, American Augers, Vermeer, Astec Underground and Ditch Witch.

HDD Broker Expands Into Other Underground Construction Equipment
January 2012, Vol. 67 No. 1

For more than 12 years, HDD Broker Inc. has been bringing together sellers and buyers of used horizontal directional drilling (HDD) equipment.

Ergonomics Play Major Role With Equipment Productivity
September 2011, Vol. 66 No. 9

Manufacturers of construction equipment today are committed to “good” ergonomics, and they actively promote ergonomic features of their products in sales and advertising efforts.

HDD Rigs: Equipment Spotlight
September 2011, Vol. 66 No. 9

HDD rigs from American Augers, TT Technologies, Vermeer, Ditch Witch, Astec Underground and Barbco.

American Augers DD-625 Drill Rig Provides Exceptional Force
June 2011 Vol. 66 No. 6

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.

13th Annual Directional Drilling Survey: Mixed Market Recovery For HDD
Robert Carpenter, Editor
June 2011 Vol. 66 No. 6

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.

2010 Large Directional Drilling Rig Census
Traci Read, Senior Editor
November 2010, Vol. 65 No. 11

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.

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