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Article: 2007 large directional drilling rig census.
- Article from:
- Underground Construction
- Article date:
- November 1, 2007
- Author:
CopyrightCOPYRIGHT 2007 Oildom Publishing Company of Texas, Inc. This material is published under license from the publisher through the Gale Group, Farmington Hills, Michigan. All inquiries regarding rights should be directed to the Gale Group. (Hide copyright information)
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Underground Construction's 2007 census of large horizontal directional drilling contractors provides an in-depth look at the capabilities of this dynamic market.
When horizontal directional drilling (HDD) professionals discuss the size of a 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.
Selecting the right size drill rig to fit ...
Related newspaper, magazine, and journal articles:
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Article: 1999 Large Directional Drilling Rig Census.
Pipeline & Gas Journal;
October 1, 1999 ;
700+ words
... ... over 100,000 lbs pullback Maximum Pipe Diameter: 60 in. Maximum Pullback ... over 100,000 lbs pullback Maximum Pipe Diameter: 42 in. Maximum Pullback ... over 100,000 lbs pullback Maximum Pipe Diameter: 48 in. Maximum Pullback ...
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