Volant CRTi3-7.0 User Manual
Casing Running Tools (CRTi 3-7.0)
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, ll/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 efcient.
Starting from the insertion diameter of the base tool, selectable sizes of integral jaws/dies are used to
congure 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 Model: CRTi 3-7.0
Specication Summary
Base Tool Characteristics
CRTi Rated Load Capacity Hoist
Torque3 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 Capacity4 ton 100
Typical Circulation Pressure Limit
Maximum Pressure End Load ton 250
Base Tool Length in 53.0
Overall Tool Length
Tool Stroke in 0.61
Through Hole in 1.5
Maximum Flow Rate7 m3/min 2.5
Tool Joint NC50 or 6-5/8 REG
Turns to Stroke Out 1.48
6
in 60.0 - 64.7
1,2
ton 320
2,5
psi 5,000
Tool Conguration
with Integral Slip Dies
Tool Conguration
with Extended Slip Dies
Tool Conguration
with Extended Slip Dies
and Bumper Extension
Give us a problem. Or just drop us a line if you want to know more.
+1 866.8VOLANT / +1 866.886.5268 +1 780.784.7099 sales@volantproducts.ca volantproducts.ca
Document No. 20006 / Revision N Printed in Canada APRIL 2013
CRTi3-7.0 | PAGE 1
Casing Running Tools (CRTi 3-7.0)
Summary of Selected Slip Die Sizes
Nom. Max. Pipe Min. Pipe Die Curv. Max. Tool Slip to Pipe Body Torque
Die P/N Pipe Size Weight 9 Weight10 Diameter Diameter Tool Weight Load Eff.1 Factor
(in) (ppf) (ppf) (in) (in) (lbs) (% Fy) (ft*lb/psi/ppf)
80928 7.0 26.0 17.0 6.4 14.4 685 77% 0.016
81062 7.0 35.0 26.0 6.16 14.4 685 80% 0.019
80986 7.63 33.7 24.0 6.93 14.4 900 71% 0.015
82279 7.63 39.0 29.7 6.76 14.4 900 76% 0.016
80987 8.63 32.0 24.0 7.8 14.4 910 80% 0.017
80824 8.63 36.0 28.0 7.7 14.4 910 80% 0.017
82118 9.63 36.0 32.3 8.78 14.4 920 73% 0.015
80825 9.63 43.5 36.0 8.6 14.4 920 74% 0.016
82157 9.63 47.0 40.0 8.53 14.4 920 75% 0.016
80988 9.63 53.5 47.0 8.39 14.4 920 76% 0.016
82021 10.75 40.5 32.75 9.9 14.4 950 68% 0.013
81323 10.75 51.0 45.5 9.7 14.4 950 66% 0.014
81085 10.75 60.7 55.5 9.51 14.4 950 68% 0.014
80833 11.75 54.0 47.0 10.72 14.4 950 56% 0.012
81955 11.75 47.0 42.0 10.84 14.4 950 55% 0.011
82070 11.75 60.7 54.5 10.62 14.4 950 58% 0.012
82327 13.38 54.5 48.0 12.48 14.4 960 45% 0.009
80828 13.38 61.0 54.5 12.36 14.4 960 47% 0.010
81064 13.38 72.0 68.0 12.19 14.4 960 49% 0.010
81504 15.0 92.5 92.5 13.65 21.0 1,040 45% 0.009
80826 16.0 65.0 65.0 15.06 21.0 1,040 25% 0.005
82440 16.0 75.0 75.0 14.95 21.0 1,040 27% 0.006
80832 18.63 87.5 87.5 17.57 21.0 1,060 22% 0.005
81292 18.63 97.7 97.7 17.47 21.0 1,060 25% 0.007
81293 18.63 111.0 111.0 17.34 21.0 1,060 27% 0.007
81991 20.0 94.0 94.0 19.39 21.0 1,250 27% 0.006
81799 20.0 111.0 111.0 19.22 21.0 1,250 27% 0.006
8
3
1 Tool hoist rating is based on API Specication 8C; however, casing load limit is further constrained by local interaction of slip dies with casing, which must not exceed the
efciency indicated for individual slip die sizes to avoid excess deformation. The slip to casing interaction hoist limit is calculated by multiplying the slip to pipe body load
efciency number by the casing hoist limit found in API Bulletin 5C2. From 5C2 the pipe body yield for 9.63” x 40.0 ppf L-80 Casing is 916,000 lbs. The slip efciency for
die 82157 used to run this casing is 75%. Therefore, the casing hoist limit is 75% x 916,000 lbs = 687,000 lbs or 343.5 tons.
2 CRTi hoist capacity must be reduced by the pressure end load during circulation.
3 Torque capacity may be limited by slip die/casing interaction. Where torque factors are provided, multiply this factor by the desired casing weight in ppf then multiply the
result by the casing yield strength to determine the slip die/casing interaction torque limit. If no value is provided, tool rating will be limiting for all standard casing grades.
4 Maximum allowable compressive load applied to the tool. Some compressive load may be reacted through the coupling. This rating does not take into account bearing
load limitations of the coupling.
5 CRTi circulation pressure capacity is generally governed by packer cup pressure capacity. Pressure capacity may be less than indicated if alternative seal arrangements
are used.
6 Overall tool length depends on seal arrangement. A typical overall tool length is 62.5” for 7.0” to 8.63” casings, 64.7” for 9.63” to 11.75” casings, 66.0” for 13.38” to
15.0” casings and 60.0” for 16.0” to 20.0” casings.
7 Maximum ow rate is based on minimizing erosion rates when using typical uids. Erosion rates may vary based on uid contents. Please inspect tool bore regularly.
8 Common die sizes shown. All API casing sizes and weights with drift diameter above 5.87” are available.
9 Maximum pipe weight is dened by the API Specication 5CT drift diameter of the heaviest weight casing into which the CRTi assembled with the specied die set
will t.
10 Indicated minimum pipe weight is based on the assumption that control of average pipe inside diameter over die grip interval does not allow pipe body
area reduction less than 3.5% from nominal and additionally takes into account tool wear allowances, die penetration, casing deformation and tool stroke.
Give us a problem. Or just drop us a line if you want to know more.
+1 866.8VOLANT / +1 866.886.5268 +1 780.784.7099 sales@volantproducts.ca volantproducts.ca
Document No. 20006 / Revision N Printed in Canada APRIL 2013
CRTi3-7.0 | PAGE 2
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