Size: 2-3/8¡±, 2-7/8¡±, 3-1/2¡±, 4¡±, 4-1/2¡± (60.3mm to 114.3mm)
Grade: J-55, L-80, N-80, P-110
Length: R1 (6.1mm to 7.32mm), R2 (8.53mm to 9.75mm), R3 (11.58mm to 12.8mm)
End: Plain End, NUE, EUE
Standard: API 5CT, API 5B (Thread)
Usage: Tubing is used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete.
Annual Supply Capacity: 200,000tons
Features: purified steel; stable chemical composition; good quality surface; high accurate dimension; perfect mechanical and workmanship.
Quality Control System:
• Size and surface inspection.
• Non-destructive test.
• Thread inspection.
• Hydrostatic test.
• Drifting test.
• Physical and chemical analysis.
• Hardness and pressure test.
Parameters for Non-upset Tubing
| No. |
Specs. |
OD of Pipe |
Wall Thick-
ness |
OD of cou
pling |
Nominal Linear Mass |
Grade |
Hydrostatic Test Pressure |
Internal Yield Pressure Strength |
Col-
lapse Resis-
tance |
Ultimate Tension of Thread |
Recommended Tighten
Torque |
| mm |
mm |
mm |
Kg/m |
Mpa |
Mpa |
Mpa |
kN |
N.m |
| 1 |
1.9 |
48.26 |
3.68 |
55.88 |
4.09 |
J55 |
46.0 |
50.68 |
53.43 |
116.77 |
420-700 |
| N80 |
67.5 |
73.64 |
77.77 |
169.80 |
585-975 |
| L80 |
67.5 |
73.64 |
77.77 |
169.80 |
570-950 |
| P110 |
-- |
-- |
-- |
-- |
-- |
| 2 |
2-3/8 |
60.32 |
4.83 |
73.02 |
6.85 |
J55 |
48.5 |
53.09 |
55.85 |
220.18 |
750-1230 |
| N80 |
69.0 |
77.22 |
81.22 |
318.93 |
1320-2180 |
| L80 |
69.0 |
77.22 |
81.22 |
318.93 |
1012.5-1687.5 |
| P110 |
69.0 |
101.4 |
106.6 |
420.00 |
1305-2175 |
| 3 |
2-7/8 |
73.02 |
5.51 |
88.9 |
9.52 |
J55 |
46.0 |
50.06 |
52.95 |
322.94 |
1080-1770 |
| N80 |
66.5 |
72.88 |
76.95 |
443.48 |
1690-2790 |
| L80 |
66.5 |
72.88 |
76.95 |
443.48 |
1455-2425 |
| P110 |
69.0 |
95.6 |
96.6 |
616.66 |
1882.5-3137.5 |
| 4 |
3-1/2 |
88.9 |
6.45 |
107.95 |
13.69 |
J55 |
44.0 |
48.19 |
51.02 |
486.63 |
1510-2500 |
| N80 |
64.0 |
70.05 |
72.60 |
633.87 |
2320-3860 |
| L80 |
64.0 |
70.05 |
72.60 |
633.87 |
2062.5-3437.5 |
| P110 |
69.0 |
92.0 |
90.0 |
929.438 |
2662.5-4437.5 |
| 5 |
4 |
101.6 |
5.74 |
120.65 |
14.14 |
J55 |
34.5 |
37.5 |
35.2 |
440.37 |
1690-2100 |
| N80 |
50.0 |
54.5 |
45.4 |
640.54 |
2360-2950 |
| L80 |
50.0 |
54.5 |
45.4 |
640.54 |
1710-2850 |
| P110 |
69.0 |
-- |
-- |
-- |
-- |
| 6 |
4-1/2 |
114.3 |
6.88 |
132.08 |
18.75 |
J55 |
36.5 |
39.99 |
39.4 |
638.31 |
1780-2950 |
| N80 |
53.0 |
58.12 |
51.71 |
928.34 |
2490-4130 |
| L80 |
53.0 |
58.12 |
51.71 |
928.34 |
2437.5-4062.5 |
| P110 |
69.0 |
-- |
-- |
-- |
-- |
Parameters for External Upset Tubing
| No. |
Specs. |
OD of Pipe |
Wall Thick-
ness |
OD of Cou-
pling |
Nominal Linear Mass |
Grade |
Hydrostatic Test Pressure |
Internal Yield Pressure Strength |
Col-
lapse Resis-
tance |
Ultimate Tension of Thread |
Recommended Tighten
Torque |
| mm |
mm |
mm |
Kg/m |
Mpa |
Mpa |
Mpa |
kN |
N.m |
| 1 |
1.9 |
48.26 |
3.68 |
63.50 |
4.32 |
J55 |
46.0 |
50.68 |
53.43 |
195.59 |
2280-3800 |
| N80 |
67.5 |
73.64 |
77.77 |
284.51 |
2310-3850 |
| L80 |
67.5 |
73.64 |
77.77 |
284.51 |
1207.5-2012.5 |
| P110 |
69.0 |
-- |
-- |
-- |
-- |
| 2 |
2-3/8 |
60.32 |
4.83 |
77.8 |
6.99 |
J55 |
48.5 |
53.09 |
55.85 |
319.82 |
1050-1730 |
| N80 |
69.0 |
77.22 |
81.22 |
463.94 |
1830-3050 |
| L80 |
69.0 |
77.22 |
81.22 |
463.94 |
1792.5-2987.5 |
| P110 |
69.0 |
101.4 |
106.6 |
609.09 |
2310-3850 |
| 3 |
2-7/8 |
73.02 |
5.51 |
93.17 |
9.67 |
J55 |
46.0 |
50.06 |
52.95 |
469.73 |
1500-2490 |
| N80 |
66.5 |
72.88 |
76.95 |
644.99 |
2350-3900 |
| L80 |
66.5 |
72.88 |
76.95 |
644.99 |
2287.5-3812.5 |
| P110 |
69.0 |
95.6 |
96.6 |
846.68 |
2955-4925 |
| 4 |
3-1/2 |
88.9 |
6.45 |
114.3 |
13.84 |
J55 |
44.0 |
48.19 |
51.02 |
707.71 |
2100-3510 |
| N80 |
64.0 |
70.05 |
72.60 |
921.67 |
3260-5420 |
| L80 |
64.0 |
70.05 |
72.60 |
921.67 |
3180-5300 |
| P110 |
69.0 |
92.0 |
90.0 |
1210.18 |
41170.5-6862.5 |
| 5 |
4 |
101.6 |
6.65 |
127.00 |
16.37 |
J55 |
39.5 |
43.4 |
45.4 |
752.805 |
2603-4337 |
| N80 |
58.0 |
63.2 |
60.7 |
1094.948 |
3660-6100 |
| L80 |
58.0 |
63.2 |
60.7 |
1094.948 |
3585-5975 |
| P110 |
69.0 |
-- |
-- |
-- |
-- |
| 6 |
4-1/2 |
114.3 |
6.88 |
141.30 |
18.97 |
J55 |
36.5 |
40.0 |
39.4 |
880.942 |
2903-4837 |
| N80 |
53.0 |
58.1 |
51.7 |
1281.37 |
4088-6812 |
| L80 |
53.0 |
58.1 |
51.7 |
1281.37 |
4005-6675 |
| P110 |
69.0 |
-- |
-- |
-- |
-- |
