Product | API Coupling | ||||||||||
Standard | API SPEC 5CT | ||||||||||
Type | SEAMLESS | ||||||||||
Outside Diameter | 33.35-533.4mm | ||||||||||
Usage | Connection for casing and tubing | ||||||||||
Coupling for Tubing NU Thread | Tubing OD | Outside of coupling | Weight of coupling | Grade | |||||||
In | mm | mm | kg | ||||||||
1.05" | 26.67 | 33.35 | 0.23 | H40 J55 K55 N80 M65 L80 L8013CR C90 C95 T95 P110 Q125 and others | |||||||
1.315" | 33.4 | 42.16 | 0.38 | ||||||||
1.66" | 42.16 | 52.17 | 0.59 | ||||||||
1.9" | 48.26 | 55.88 | 0.56 | ||||||||
2 3/8" | 60.32 | 73.02 | 1.28 | ||||||||
2 7/8" | 73.02 | 88.9 | 2.34 | ||||||||
3 1/2" | 88.9 | 107.95 | 3.71 | ||||||||
4" | 101.6 | 120.65 | 4.35 | ||||||||
4 1/2" | 114.3 | 132.08 | 4.89 | ||||||||
Coupling for Tubing EU Thread | Tubing OD | Outside of coupling | Weight of coupling | ||||||||
In | mm | mm | Regular (kg) | Special clearance (kg) | |||||||
1.05" | 26.67 | 42.16 | 0.38 | ||||||||
1.315" | 33.4 | 48.26 | 0.57 | ||||||||
1.66" | 42.16 | 55.88 | 0.68 | ||||||||
1.9" | 48.26 | 63.5 | 0.84 | ||||||||
2 3/8" | 60.32 | 77.8 | 1.55 | 1.07 | |||||||
2 7/8" | 73.02 | 93.17 | 2.4 | 1.55 | |||||||
3 1/2" | 88.9 | 114.3 | 4.1 | 2.38 | |||||||
4" | 101.6 | 127 | 4.82 | ||||||||
4 1/2" | 114.3 | 141.3 | 6.05 | ||||||||
Coupling for Casing BC Thread | Casing OD | OD of coupling | Weight of coupling | ||||||||
In | mm | mm | Regular (kg) | Special clearance (kg) | |||||||
4 1/2" | 114.3 | 127 | 4.55 | 3.48 | |||||||
5" | 127 | 141.3 | 5.85 | 4 | |||||||
5 1/2" | 139.7 | 153.67 | 6.36 | 4.47 | |||||||
6 5/8" | 168.28 | 187.71 | 11.01 | 5.65 | |||||||
7" | 177.8 | 194.46 | 10.54 | 6.28 | |||||||
7 5/8" | 193.68 | 215.9 | 15.82 | 9.29 | |||||||
8 5/8" | 219.08 | 244.48 | 20.86 | 10.8 | |||||||
9 5/8" | 244.48 | 269.88 | 23.16 | 12.02 | |||||||
10 3/4" | 273.05 | 298.45 | 25.74 | 13.39 | |||||||
11 3/4" | 298.45 | 323.85 | 28.03 | ||||||||
13 3/8" | 339.72 | 365.12 | 31.77 | ||||||||
16'' | 406.4 | 431.8 | 40.28 | ||||||||
18 5/8'' | 473.08 | 508 | 62.68 | ||||||||
20'' | 508 | 534 | 50.1 | ||||||||
Coupling for Casing SC/LC Thread | Casing OD | OD of coupling | Weight of coupling | ||||||||
In | mm | mm | Long (kg) | Long (kg) | |||||||
4 1/2" | 114.3 | 127 | 3.62 | 4.15 | |||||||
5" | 127 | 141.3 | 4.66 | 5.75 | |||||||
5 1/2" | 139.7 | 153.67 | 5.23 | 6.42 | |||||||
6 5/8" | 168.28 | 187.71 | 9.12 | 11.34 | |||||||
7" | 177.8 | 194.46 | 8.39 | 10.83 | |||||||
7 5/8" | 193.68 | 215.9 | 12.3 | 15.63 | |||||||
8 5/8" | 219.08 | 244.48 | 16.23 | 21.67 | |||||||
9 5/8" | 244.48 | 269.88 | 18.03 | 25.45 | |||||||
10 3/4" | 273.05 | 298.45 | 20.78 | ||||||||
11 3/4" | 298.45 | 323.85 | 22.64 | ||||||||
13 3/8" | 339.72 | 365.12 | 25.66 | ||||||||
16'' | 406.4 | 431.8 | 34.91 | ||||||||
18 5/8'' | 473.08 | 508 | 54.01 | ||||||||
20'' | 508 | 534 | 43.42 | 57.04 |