String Book - Logan Oil Tools
String Book - Logan Oil Tools
String Book - Logan Oil Tools
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tUBing maKe-Up torQUe<br />
non-upSEt RECoMMEnDED MAkE-up toRQuE *<br />
o.D. Weight torque (ft-Ib)<br />
(in) (Ib/ft) grade Minimum optimum Maximum<br />
H-40 110 140 180<br />
1.050 1.14 J-55 140 180 230<br />
C-75 170 230 290<br />
N-80 190 250 310<br />
H-40 160 210 260<br />
1.315 1.70 J-55 200 270 340<br />
C-75 270 360 450<br />
N-80 290 380 480<br />
H-40 200 270 340<br />
1.660 2.30 J-55 260 350 440<br />
C-75 350 460 580<br />
N-80 370 490 610<br />
H-40 240 320 400<br />
1.900 2.75 J-55 310 410 500<br />
C-75 410 540 680<br />
N-80 430 570 700<br />
H-40 350 470 590<br />
4.00 J-55 460 610 760<br />
C-75 600 800 1000<br />
N-80 640 850 1060<br />
H-40 420 560 700<br />
2.375 J-55 550 730 910<br />
4.60 C-75 720 960 1200<br />
N-80 770 1020 1280<br />
P-105 960 1280 1600<br />
C-75 1040 1380 1730<br />
5.80 N-80 1100 1460 1830<br />
P-105 1380 1840 2300<br />
H-40 600 800 1000<br />
J-55 790 1050 1310<br />
6.40 C-75 1040 1380 1730<br />
2.875 N-80 1100 1470 1840<br />
P-105 1390 1850 2310<br />
C-75 1570 2090 2600<br />
8.60 N-80 1660 2210 2760<br />
P-105 2090 2790 3490<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 />
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