String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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tUBing maKe-Up torQUe<br />
EXtERnAL upSEt RECoMMEnDED MAkE-up toRQuE *<br />
o.D. Weight torque (ft-Ib)<br />
(in) (Ib/ft) grade Minimum optimum Maximum<br />
H-40 350 460 580<br />
1.050 1.20 J-55 450 600 750<br />
C-75 590 780 980<br />
N-80 620 830 1040<br />
H-40 330 440 550<br />
1.315 1.80 J-55 430 570 710<br />
C-75 560 740 930<br />
N-80 590 790 990<br />
H-40 400 530 660<br />
1.660 2.40 J-55 520 690 860<br />
C-75 680 910 1,140<br />
N-80 720 960 1,200<br />
H-40 500 670 840<br />
1.900 2.90 J-55 660 880 1,100<br />
C-75 860 1,150 1,440<br />
N-80 920 1,220 1,530<br />
H-40 740 990 1,240<br />
J-55 970 1,290 1,610<br />
4.70 C-75 1,280 1,700 2,130<br />
2.375 N-80 1,350 1,800 2,250<br />
P-105 1,700 2,270 2,840<br />
C-75 1,590 2,120 2,650<br />
5.95 N-80 1,680 2,240 2,800<br />
P-105 2,120 2,830 3,540<br />
H-40 940 1,250 1,560<br />
J-55 1,240 1,650 2,060<br />
6.50 C-75 1,630 2,170 2,710<br />
2.875 N-80 1,730 2,300 2,880<br />
P-105 2,180 2,910 3,640<br />
C-75 2,140 2,850 3,560<br />
8.70 N-80 2,270 3,020 3,780<br />
P-105 2,860 3,810 4,760<br />
H-40 1,300 1,730 2,160<br />
J-55 1,710 2,280 2,850<br />
3.500 9.30 C-75 2,260 3,010 3,760<br />
N-80 2,400 3,200 4,000<br />
P-105 3,040 4,050 5,060<br />
* Data reprinted from API Bulletin RP5C1, “Recommended Practice for Care and Use of Casing,<br />
Tubing, and Drill Pipe,” Twelfth Edition, March 1981.<br />
57
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