String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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70<br />
tUBing maKe-Up torQUe<br />
hyDRIL CFJ-p tuBIng MInIMuM MAkE-up toRQuE *<br />
o.D. Weight grade — torque (ft-Ib)<br />
(in) (Ib/ft) J-55 C-75, L-80, n-80 & p- 05<br />
2.375 4.7 & 5.3 800 1,100<br />
2.875 6.5 1,100 1,500<br />
3.500 9.3 & 10.3 1,500 1,900<br />
4.000 11.0 2,000 2,700<br />
4.500 12.75 3,000 4,000<br />
5.000 23.2 4,500 6,000<br />
* Data reprinted from Hydril Company 1984 Catalogue. Hydril recommends using a figure<br />
of 12-1/2% over minimum to ensure that minimum torque is obtained, since many factors<br />
influence torque application. Torque should never exceed 25% over minimum.