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String Book - Logan Oil Tools

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caSing maKe-Up torQUe — Long threaD<br />

RECoMMEnDED MAkE-up toRQuE *<br />

nominal torque (ft-lb)<br />

o.D. (in) Weight (lb/ft) grade Minimum optimum Maximum<br />

C-75 6390 8520 10650<br />

L-80 6700 8930 11160<br />

47.0 N-80 6790 9050 11310<br />

C-95 7800 10400 13000<br />

P-110 9100 12130 15160<br />

9-5/8 C-75 7490 9990 12490<br />

L-80 7850 10470 13090<br />

53.5 N-80 7970 10620 13280<br />

C-95 9150 12200 15250<br />

P-110 10670 14220 17780<br />

94.0<br />

J-55<br />

K-55<br />

9070<br />

9550<br />

…<br />

…<br />

…<br />

…<br />

20<br />

106.5<br />

J-55<br />

K-55<br />

10570<br />

11130<br />

…<br />

…<br />

…<br />

…<br />

133.0<br />

J-55<br />

K-55<br />

13800<br />

14530<br />

…<br />

…<br />

…<br />

…<br />

* Data reprinted from API Bulletin RP5C1, “Recommended Practice for Care and Use of Casing,<br />

Tubing, and Drill Pipe,” Twelfth Edition, March 1981. See Thirteenth Edition dated November 1,<br />

1984, for correct torque values attached.<br />

9

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