String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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90<br />
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 7150 9530 11910<br />
L-80 7480 9970 12460<br />
7-5/8 47.1 N-80 7600 10130 12660<br />
C-95 8690 11590 14490<br />
P-110 10150 13530 16910<br />
32.0<br />
J-55<br />
K-55<br />
3130<br />
3390<br />
4170<br />
4520<br />
5210<br />
5650<br />
J-55 3650 4860 6080<br />
K-55 3950 5260 6580<br />
36.0<br />
C-75<br />
L-80<br />
4860<br />
5090<br />
6480<br />
6780<br />
8100<br />
8480<br />
N-80 5160 6880 8600<br />
C-95 5920 7890 9860<br />
C-75 5570 7420 9280<br />
L-80 5820 7760 9700<br />
40.0 N-80 5910 7880 9850<br />
8-5/8 C-95 6780 9040 11300<br />
P-110 7910 10550 13190<br />
C-75 6260 8340 10430<br />
L-80 6560 8740 10930<br />
44.0 N-80 6650 8870 11090<br />
C-95 7630 10170 12710<br />
P-110 8900 11860 14830<br />
C-75 7040 9390 11740<br />
L-80 7370 9830 12290<br />
49.0 N-80 7480 9970 12460<br />
C-95 8580 11440 14300<br />
P-110 10010 13350 16690<br />
36.0<br />
J-55<br />
K-55<br />
3400<br />
3670<br />
4530<br />
4890<br />
5660<br />
6110<br />
J-55 3900 5200 6500<br />
K-55 4210 5610 7010<br />
40.0<br />
C-75<br />
L-80<br />
5210<br />
5450<br />
6940<br />
7270<br />
8680<br />
9090<br />
N-80 5530 7370 9210<br />
9-5/8 C-95 6350 8470 10590<br />
C-75 5820 7760 9700<br />
L-80 6100 8130 10160<br />
43.5 N-80 6190 8250 10310<br />
C-95 7110 9480 11850<br />
P-110 8300 11060 13830<br />
* Data reprinted from API Bulletin RP5C1, “Recommended Practice for Care and Use of Casing,<br />
Tubing, and Drill Pipe,” Twelfth Edition, March 1981.
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