innovation and safety in hdd exit side · pdf filetraditional exit side risk factors workers...
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![Page 1: Innovation and Safety in HDD Exit Side · PDF fileTraditional Exit Side Risk Factors Workers placed in danger zone at joint connection. Pipe is rotated from drill rig often a mile](https://reader031.vdocuments.net/reader031/viewer/2022030417/5aa353917f8b9a80378e1e04/html5/thumbnails/1.jpg)
Innovation and Safety in HDD Exit Side Operations
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Traditional Exit Side Tools
Chain or “Tong” Wrench
Power “Tong” Wrench
Wrenches can weigh up to 200 lbs. each.
Wrenches are typically rated for less than
50,000 ft/lbs. of torque.
When wrenches break under load, they
often release shrapnel like metal fragments.
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Traditional Exit Side Process
Pushing down on chain
wrenches
Workers at tool joint
“Choking” the pipe
string
![Page 5: Innovation and Safety in HDD Exit Side · PDF fileTraditional Exit Side Risk Factors Workers placed in danger zone at joint connection. Pipe is rotated from drill rig often a mile](https://reader031.vdocuments.net/reader031/viewer/2022030417/5aa353917f8b9a80378e1e04/html5/thumbnails/5.jpg)
Traditional Exit Side Risk Factors
Workers placed in danger zone at joint connection.
Pipe is rotated from drill rig often a mile away.
Communication via radio.
Gear wrenches are not designed to handle torque to
which they are often subjected. This often can result
in catastrophic failure.
High risk of over-torqueing or under-torqueing the
connection as torque is either not measured or
measured at drill rig NOT at joint.
Damage to drill rod and tooling from over-torqueing or
risk of unscrewing downhole due to under-torqueing.
Moving pipe and tooling around worksite with straps
and chains causes additional injury risk to workers.
![Page 6: Innovation and Safety in HDD Exit Side · PDF fileTraditional Exit Side Risk Factors Workers placed in danger zone at joint connection. Pipe is rotated from drill rig often a mile](https://reader031.vdocuments.net/reader031/viewer/2022030417/5aa353917f8b9a80378e1e04/html5/thumbnails/6.jpg)
TONGHAND®
Vise Action
Gull Wing Arms raise out
of way to work with all
tooling up to 60” in
diameter
TongVise™ torques
and un-torques joints
up to 120,000 ft -lb.
with precision
No workers at tool joint
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TONGHAND®
Pipe Rotation
Roller Arms spin drill rod Can be used as a pipe
handler
Roller Arms can
operate independently
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TONGHAND®
In-Cab Controls
TONGHAND® TongVise™
controls activate all vise
actions
In-cab touch display
sets all TONGHAND®
operating parameters
Proportional control
handles activate all
TONGHAND® motions
Tool joint being torqued
to 80,000 ft-lb.
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TONGHAND® Risk Factor Reduction
All TONGHAND® function controlled by operator in
cab. Workers removed from danger zones.
Pipe rotated by operator of TONGHAND® at joint
connection with visual verification.
TongVise engineered to torque/un-torque connections
to 120,000 ft-lb.
Connection is torqued with precision at joint connection
eliminating over-torqueing and under-torqueing issues.
TONGHAND® positive grip and total control allows it to
be used as a pipe handler to safely move drill rod
around the jobsite with a 3:1 safety factor.
TONGHAND® can be used to validate drill rig torque
calibration
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Thank You!
1876 23rd Street SE
Bemidji, MN 56601-2699
218-444-3030
www.lavalleyindustries.com