| Nominal OD, Inches |
Thread Type |
Nom. Wall |
Wt/ft
(lbs) |
FBS |
| Casing |
Coupling Stock |
| 4-1/2 |
5.000 |
Short
Long
Buttress
Non-API |
.466
.479
.443
.617 |
22.59
23.15
21.58
28.91 |
4.185
4.162
4.225
3.920 |
| 5 |
5.563 |
Short
Long
Buttress |
.507
.529
.483 |
27.40
28.47
26.23 |
4.675
4.638
4.718 |
| 5-1/2 |
6.050 |
Short
Long
Buttress
Non-API |
.500
.526
.477
.727 |
29.66
31.06
28.42
41.37 |
5.175
5.130
5.215
4.778 |
| 6-5/8 |
7.390 |
Short
Long
Buttress |
.635
.662
.607 |
45.85
47.61
44.01 |
6.278
6.232
6.328 |
| 7 |
7.656 |
Short
Long
Buttress
Non-API |
.573
.603
.552
.950 |
43.39
45.46
41.92
68.10 |
6.653
6.600
6.690
5.994 |
| 7-5/8 |
8.500 |
Short
Long
Buttress
Non-API |
.706
.735
.683
.875 |
58.82
61.01
57.07
71.32 |
7.265
7.214
7.305
6.969 |
| 8-5/8 |
9.625 |
Short
Long
Buttress
Non-API |
.781
.826
.760
.900 |
73.84
77.69
72.02
83.94 |
8.258
8.180
8.295
8.050 |
| 9-5/8 |
10.625 |
Short
Long
Buttress
Non-API
Non-API |
.781
.829
.760
1.125
1.146 |
82.19
86.81
80.15
114.25
116.12 |
9.258
9.175
9.295
8.656
8.620 |
| 10-3/4 |
11.750 |
Short
Buttress
Non-API |
.786
.759
1.049 |
92.12
89.18
120.00 |
10.375
10.422
9.914 |
| 11-3/4 |
12.750 |
Short
Buttress |
.786
.763 |
100.53
97.77 |
11.375
11.415 |
| 13-3/8 |
14.375 |
Short
Buttress
Non-API |
.786
.760
.980 |
114.18
110.61
140.33 |
13.000
13.045
12.660 |
| 16 |
17.000 |
Short
Buttress
Non-API
Non-API |
.803
.833
1.000
1.265 |
139.04
143.96
171.04
212.78 |
15.594
15.543
15.250
14.786 |
| 18-5/8 |
20.000 |
Short
Buttress
Non-API
Non-API
Non-API
Non-API |
1.018
1.048
.990
1.125
1.250
1.281 |
206.57
212.32
201.18
227.00
250.55
256.34 |
18.219
18.166
18.268
18.031
17.813
17.758 |
| 20 |
21.000 |
Short
Buttress
Non-API
Non-API |
.803
.834
1.125
1.260 |
173.37
179.79
239.02
265.89 |
19.594
19.541
19.031
18.795 |