String Book - Logan Oil Tools

tUBing maKe-Up torQUe
hyDRIL FJ tuBIng MInIMuM MAkE-up toRQuE *
o.D. (in) Weight (Ib/ft)
grade — torque (ft-Ib)
J-55, L-80 & n-80
2.375 4.6 400
2.875 6.4 600
3.500 9.2,10.2,12.8, 12.95 & 15.5 800
4.000 11.6 & 13.4 1,100
4.500 12.6, 13.5, 15.1 & 18.8 1,500
hyDRIL SupER FJ tuBIng MInIMuM MAkE-up toRQuE *
grade — torque (ft-Ib)
o.D. (in) Weight (Ib/ft) J-55 & k-55 C-75, L-80 & n-80
2.375 4.6 700 700
2.875 6.4 & 8.7 1,000 1,000
3.500 9.2, 10.2, 12.8, 12.95, & 15.5 1,300 1,300
4.000 11.0, 11.6, & 13.4 1,800 1,800
4.500
12.6 & 13.5
15.1, 16.6, 18.8, & 21.6
2,000
2,400
2,500
3,200
* 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. Torque should never exceed 25% over minimum.
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