String Book - Logan Oil Tools

tUBing maKe-Up torQUe
hyDRIL CS AnD A-95 MInIMuM MAkE-up toRQuE *
o.D. Weight grade — torque (ft-Ib)
(in) (lb/ft) J-55 C-75, L-80, n-80, & p- 05
1.050 1.2 & 1.5 200 300
1.315 1.8 & 2.25 300 400
1.660 2.4, 3.02 & 3.24 400 600
1.900 2.9, 3.64 & 4.19 600 800
2.063 3.25 & 4.50 700 900
2.375 4.7 & 5.3 1,100 1,500
2.875 6.5 1,500 2,100
3.500 9.3 & 10.3 2,500 3,000
4.000 11.0 3,000 3,500
4.500 12.75 &13.5 3,500 4,500
hyDRIL CS (5" to 7" o.D.) ConnECtIon MInIMuM MAkE-up toRQuE *
o.D. Weight grade — torque (ft-Ib)
(in) (lb/ft) J-55 & k-55 L-80 & n-80 p- 0
18.0 5,000 6,900 9,200
20.3 5,200 7,100 9,400
5 23.2 6,900 9,500 12,500
27.0 7,300 9,900 12,900
17.0 4,200 5,800 7,700
20.0 6,200 8,500 11,200
5-1/2 23.0 6,500 8,800 11,600
26.0 8,500 11,500 15,200
28.4 8,800 11,900 15,600
28.0 9,800 13,600 18,200
6-5/8 32.0 10,300 14,100 18,700
35.0 10,700 14,500 19,100
29.0 10,800 15,000 20,200
32.0 11,100 15,400 20,500
7 35.0 11,500 15,800 20,900
38.0 14,500 19,900 26,500
41.0 14,900 20,400 26,900
Note: Torque for these products should never exceed 15% over minimum.
* Data reprinted from Hydril Company 1984 Catalogue. Hydril recommends using a figure
of 12-1/2% over minimum to ensure that minimum torque is obtained, since many factors
influence torque application.
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