Underground Construction - May 2022 - 12
SPECIAL ADVERTISING SECTION
Protect the HDD Lifeline: Drill pipe solutions
By Jeff Davis, Ditch Witch HDD product manager
And Josh Kennedy, Ditch Witch downhole tools and drill pipe product manager.
Effi ciency is king. When on a job, operators are highly focused on effi ciency
and productivity above all else. After all, the ROI of a horizontal directional
drilling (HDD) project can hinge on the speed of deployment. But sometimes
moving quickly can distract operators from getting the most out of equipment.
One of the more expensive pieces on the job is HDD tooling, specifi cally
the drill pipe. Replacement costs vary, but contractors can reduce overall costs
by extending the life of their investment.
High-quality drill pipe is the fi rst step to getting the most out of equipment.
Even the best equipment, however, cannot withstand mistreatment. Proper
use and maintenance help operators confi dently and effi ciently complete
a job on time and on budget. To increase drill pipe longevity and eff ectively
complete job after job, operators should follow a few simple tips.
KNOW YOUR BEND RADIUS
The underground conditions and existing utilities ultimately determine the
proper depth of a bore. From the entry pit, HDD operators need to steer drill
pipe down before leveling off at the correct depth. The space between the
entrance point and boring depth is often thought of as lost time and space,
as operators prepare to install product.
Due to this impression, some operators exceed the recommended bend
radius of their drill pipe when steering downward in hopes of reducing the
perceived lost time. Based on the metal's ability to return to normal after being
bent, the recommended bend radius should limit the angle an operator uses
when drilling. When the bend radius is exceeded, the pipe is fatigued-thus
reducing the useful life. Even if the drill pipe looks normal, the damage is done.
Costly replacement is not the only result of damaged drill pipe. When a drill
string breaks downhole, operators need to plan a new route for product installation.
And if the jobsite allows, they'll have to spend additional time and money
unearthing the broken tooling.
To avoid costly repairs and replacements, be more effi cient on jobsites and
extend the life of drill pipe, operators should become familiar with the recommended
bend radius of their pipe. That begins with determining the proper
entrance angle before digging begins.
BE MINDFUL OF TORQUE
To avoid unnecessary wear on the threads of the pin and box, users should
always apply the manufacturer's recommended torque. For all Ditch Witch
HDD units, and most other HDD units, this recommended torque is the
12 MAY 2022 | UCONonline.com
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Underground Construction - May 2022
Table of Contents for the Digital Edition of Underground Construction - May 2022
Contents
Underground Construction - May 2022 - Cover1
Underground Construction - May 2022 - Cover2
Underground Construction - May 2022 - Contents
Underground Construction - May 2022 - 4
Underground Construction - May 2022 - 5
Underground Construction - May 2022 - 6
Underground Construction - May 2022 - 7
Underground Construction - May 2022 - 8
Underground Construction - May 2022 - 9
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Underground Construction - May 2022 - Cover3
Underground Construction - May 2022 - Cover4
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