1.Production technology:Plain pipe-end upsetting- Austenite treatment-Quenching-Tempering-straightening-(Non-Destructive Testing)- Threading-Thread inspection-coupling MPI-phosphating-Coupling make up-Drifting-Hydrostatic testing-Measuring&Weight-Marking&Stenciling-Coating-Packing Casing and tubing-Transportation
2. Executive standards: API spec 5CT, API spec 5B
3. Specification range: 2-3/8″, 2-7/8″, 3-1/2″, 4″, 4-1/2″
WT: 4.24-16mm
4. Materials: H40, J55, K55, N80, L80, C90,T95 and P110
5. T&C: EUE, NU,IJ and Special Coupled.
6. Length: R1, R2, R3
7. Testing: NDT etc related rules of API 5CT and 5B
8. Packing: By bundles, seaworthy packing.
9. Application:Oil Tubing is widely used for transporting crude oil and natural gas to surface after drilling, which also bears pressure from exploration.
Technical parameters of Oil tubing:
| sizes | OD D mm |
weight | wt t mm |
Type of end | |||||||||||
| 1 | 2 | NU kg/m | EU kg/m | IJ kg/m |
|||||||||||
| NU | EU | IJ | |||||||||||||
| H40 | J55 | L80 | N80 | C90 | T95 | P110 | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 2-3/8 2-3/8 2-3/8 2-3/8 2-3/8 |
4.00 4.60 5.80 6.60 7.35 |
– 4.70 5.95 – 7.45 |
– – – – – |
60.32 60.32 60.32 60.32 60.32 |
5.95 6.85 8.63 9.82 10.94 |
– 6.99 8.85 – 11.09 |
– – – – – |
4.24 4.83 6.45 7.49 8.53 |
PU PNU – – – |
PN PNU – – – |
PN PNU PNU P PU |
PN PNU PNU – – |
PN PNU PNU P PU |
PN PNU PNU P PU |
– PNU PNU – – |
| 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 2-7/8 |
6.40 7.80 8.60 9.35 10.50 11.50 |
6.50 7.90 8.70 9.45 – – |
– – – – – – |
73.02 73.02 73.02 73.02 73.02 73.02 |
9.52 11.61 12.80 13.91 15.63 17.11 |
9.67 11.76 12.95 14.06 – – |
– – – – – – |
5.51 7.01 7.82 8.64 9.96 11.18 |
PNU – – – – – |
PNU – – – – – |
PNU PNU PNU PU P P |
PNU PNU PNU – – – |
PNU PNU PNU PU P P |
PNU PNU PNU PU P P |
PNU PNU PNU – – – |
| 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 3-1/2 |
7.70 9.20 10.20 12.70 14.30 15.50 17.00 |
– 9.30 – 12.95 – – – |
– – – – – – – |
88.90 88.90 88.90 88.90 88.90 88.90 88.90 |
11.46 13.69 15.18 18.90 21.28 23.07 25.30 |
– 13.84 – 19.27 – – – |
– – – – – – – |
5.49 6.45 7.34 9.52 10.92 12.09 13.46 |
PN PNU PN – – – – |
PN PNU PN – – – – |
PN PNU PN PNU P P P |
PN PNU PN PNU – – – |
PN PNU PN PNU P P P |
PN PNU PN PNU P P P |
– PNU – PNU – – – |
| Sizes | OD D mm |
Weight | wt t mm |
Type of end | |||||||||||
| 1 | 2 | NU kg/m | EU kg/m | IJ kg/m |
|||||||||||
| NU | EU | IJ | |||||||||||||
| H40 | J55 | L80 | N80 | C90 | T95 | P110 | |||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
| 4 4 4 4 4 4 |
9.50 10.70 13.20 16.10 18.90 22.20 |
– 11.00 – – – – |
– – – – – – |
101.60 101.60 101.60 101.60 101.60 101.60 |
14.14 – 19.64 23.96 28.13 33.04 |
– 16.37 – – – – |
– – – – – – |
5.74 6.65 8.38 10.54 12.70 15.49 |
PN PU – – – – |
PN PU – – – – |
PN PU P P P P |
PN PU – – – – |
PN PU P P P P |
PN PU P P P P |
– – – – – – |
| 4-1/2 4-1/2 |
12.60 15.20 |
12.75 – |
– – |
114.30 114.30 |
18.75 22.62 |
18.97 – |
– – |
6.88 8.56 |
PNU – |
PNU – |
PNU P |
PNU – |
PNU P |
PNU P |
– – |
| 4-1/2 4-1/2 4-1/2 4-1/2 4-1/2 |
17.00 18.90 21.50 23.70 26.10 |
– – – – – |
– – – – – |
114.30 114.30 114.30 114.30 114.30 |
25.30 28.13 32.00 35.27 38.84 |
– – – – – |
– – – – – |
9.65 10.92 12.70 14.22 16.00 |
– – – – – |
– – – – – |
P P P P P |
– – – – – |
P P P P P |
P P P P P |
– – – – – |
| P——Plain end;N—Non-upset threaded and coupled;U—External upset threaded and coupled;I—insert joint. | |||||||||||||||
Note: other premium connection shall be provided as per customer requirements.
