String Book - Logan Oil Tools
String Book - Logan Oil Tools
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