Volant CRTi2-5.5 - Manual

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Document No. 20005 / Revision M Printed in Canada APRIL 2013
Tool Model: CRTi 2-5.5
Specification Summary
Base Tool Characteristics 1
CRTi Rated Load Capacity Hoist 2,3 ton 200
Torque 4,5 ft.lbs 25,000
Combined Load Large Hoist Hoist ton 150
Torque ft.lbs 13,000
Combined Load High Torque Hoist ton 75
Torque ft.lbs 20,000
Compression Capacity 6 ton 100
Typical Circulation Pressure Limit 3,7 psi 5,000
Maximum Pressure End Load ton 125
Base Tool Length in 51.0
Overall Tool Length 8 in 59.0 - 65.0
Tool Stroke in 0.52
Through Hole in 1.25
Maximum Flow Rate 9 m 3 /min 1.7
Tool Joint NC50
Turns to Stroke Out 1.30
Cage Torque Capacity
Cage P/N Torque Capacity 5
(ft.lbs)
81128 20,000
80912 25,000
80996 25,000
82145 25,000
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 Reach Dies
Casing Running Tools (CRTi 2-5.5)
CRTi2-5.5 | PAGE 1