String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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68<br />
tUBing maKe-Up torQUe<br />
hyDRIL ph-6 MInIMuM MAkE-up toRQuE *<br />
o.D. Weight grade — torque (ft-Ib)<br />
(in) (lb/ft) C-75, L-80, & n-80 p- 05<br />
2.375 5.95, 6.20, & 7.70 2,200 2,700<br />
2.875<br />
7.9 & 8.7<br />
9.5 & 10.7<br />
3,000<br />
4,500<br />
3,500<br />
5,500<br />
3.500 12.95 & 15.8 5,500 7,000<br />
4.000 13.4 5,500 7,000<br />
4.500<br />
15.5<br />
19.2<br />
6,000<br />
7,500<br />
7,500<br />
9,500<br />
hyDRIL ph- MInIMuM MAkE-up toRQuE *<br />
o.D. Weight grade — torque (ft-Ib)<br />
(in) (lb/ft) C-75, L-80, & n-80 p- 05<br />
2.875 11.0 & 11.65 5,000 6,500<br />
3.500<br />
16.7<br />
17.05<br />
7,500<br />
8,000<br />
9,500<br />
10,000<br />
4.000<br />
19.0<br />
22.5<br />
8,500<br />
9,500<br />
10,500<br />
11,500<br />
21.6 9,500 12,000<br />
4.500 24.0 10,000 13,000<br />
26.5 11,500 14,500<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.
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