Volant CRTi3-7.0 User Manual
Casing running tools (crti 3-7.0), Casing running tool with internal grip (crti, Give us a problem
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Document No. 20006 / Revision N Printed in Canada APRIL 2013
Tool Model: CRTi 3-7.0
Specification Summary
Base Tool Characteristics
CRTi Rated Load Capacity
Hoist
1,2
ton 320
Torque
3
ft.lbs 50,000
Combined Load Large Hoist
Hoist
ton
250
Torque ft.lbs 23,000
Combined Load High Torque
Hoist
ton
100
Torque ft.lbs 40,000
Compression Capacity
4
ton 100
Typical Circulation Pressure Limit
2,5
psi
5,000
Maximum Pressure End Load
ton
250
Base Tool Length
in
53.0
Overall Tool Length
6
in
60.0 - 64.7
Tool Stroke
in
0.61
Through Hole
in
1.5
Maximum Flow Rate
7
m
3
/min 2.5
Tool Joint
NC50 or 6-5/8 REG
Turns to Stroke Out
1.48
Casing Running Tool with Internal Grip (CRTi
™
)
Volant’s CRTi is designed for casing drilling or running with top drive equipped rigs to makeup, breakout,
reciprocate, rotate, fill/circulate, and cement casing and liner strings, reducing non productive time and
associated costs. This tool is mechanically activated in tension and both rotational directions solely by top
drive control using TAWG™ (Torque Activated Wedge Grip) technology.
This patented architecture puts control in the hands of the driller, reducing the need for third party support
to run casing. Simple intuitive operating steps for pipe engagement and release closely emulate the familiar
make and break steps used to run drill pipe – stab, rotate to the right to engage and reverse to disengage.
Similarly, rig-in and rig-out steps are simple, intuitive and efficient.
Starting from the insertion diameter of the base tool, selectable sizes of integral jaws/dies are used to
configure the CRTi to support gripping casing of increasing internal diameter (decreasing weight). Through
the use of a patent pending extended reach die structure, the gripping diameter can be further increased to
include casing sizes much greater than the base tool.
Tool Configuration
with Integral Slip Dies
Tool Configuration
with Extended Slip Dies
Tool Configuration
with Extended Slip Dies
and Bumper Extension
Casing Running Tools (CRTi 3-7.0)
CRTi3-7.0 |
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