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Coupling

  • Price:

    Negotiable

  • minimum:

  • Total supply:

  • Delivery term:

    The date of payment from buyers deliver within days

  • seat:

    Shaanxi

  • Validity to:

    Long-term effective

  • Last update:

    2018-07-13 19:35

  • Browse the number:

    388

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Company Profile

China Vigor Drilling Oil Tools And Equipment Co.,Ltd

By certification [File Integrity]

Contact：ruilante(Mr.)  

Email：

Telephone：

Phone：

Area：Shaanxi

Address：No. 2814, Unit 1, Buliding No.4, I-City, South Tangyan Road,High- Tech Development Zone, Xi'an, Shaanxi, China

Website：http://www.vigordrilling.com/ http://ruilante.titdyd.com/

Product Details

Dimensions of Tubing API Coupling (NU)

Size Range: 2-3/8", 2-7/8" and 3-1/2" OD for Tubing
4-1/2" -20" OD for Casing
Thread type: 8RD, 10RD for Tubing(also called EU and NU)
BTC, LTC, STC for Casing
Also supply the customization threads as per client’s drawings.
Features:
1. Coupling is produced through tube rolling, heat treatment, threading and other procedures.
2. Surface treatment: Phosphating
3. Accordance with API 5CT and 5B standards.
4. Inspection includes Non-destructive testing, Hydrostatic pressure(Max.120 MPa).

If you are looking for competitive, high quality and fast delivery oilfield coupling in stock, or if you are planning to buy coupling API from one of the leading casing and tubing couplings, phosphating coupling, eue(8rd) and nue(10rd) coupling, premium connection coupling, casing and tubing collar gas tight connection manufacturers and suppliers China, please feel free to contact VIGOR.

1. Dimensions of Tubing API Coupling (NU)

Size
 OuterDiameter  of  Tubing
 Outer  Diameter  of  Coupling
 Min.  Length  of  Coupling
 Piece  Weight  (kg)
 Suggested  Size  (Outer  Diameter  * Wall  Thickness)
1.900
 48.26
 55.88
 95.25
 0.56
 55.9  *  8
2-3/8
 60.32
 73.02
 107.95
 1.28
 73  * 11
2-7/8
 73.02
 88.90
 130.18
 2.34
 88.9  * 12.5
3-1/2
 88.90
 107.95
 142.88
 3.71
 108  * 15
4
 101.60
 120.65
 146.05
 4.35
 120.7  * 15.5
4-1/2
 114.30
 132.08
 155.58
 4.89
 132  * 15

2. Dimensions of Tubing API Coupling (EU)

Size
 Outer Diameter  of  Tubing
 Outer  Diameter  of  Coupling
 Min.  Length  of  Coupling
 Piece  Weight  (kg)
 Suggested  Size  (Outer  Diameter  * Wall  Thickness)
1.900
 48.26
 63.50
 98.42
 0.84
 63.5  *9.5
2-3/8
 60.32
 77.80
 123.82
 1.55
 77.8  *11.5
2-7/8
 73.02
 93.17
 133.35
 2.40
 93.17  *13
3-1/2
 88.90
 114.30
 146.05
 4.10
 114.3  *15.5
4
 101.60
 127.00
 152.40
 4.82
 127  *16
4-1/2
 114.30
 141.30
 158.75
 6.02
 141.3  *17

3. Dimensions of Casing API Coupling 

Casing   Specification   (mm)

Outer   Diameter  

 of   Coupling   (mm)

 Round   Thread Buttress   Thread
Short   Round   Thread Long   Round   Thread
Min.   Length   (mm) Weight   (kg) Min.   Length   (mm) Weight   (kg) Min.   Length   (mm) Weight   (kg)
114.30
 127.00
 158.75
 3.62
 177.80
 4.15
 225.42
 4.55
127.00
 141.30
 165.10
 4.66
 196.85
 5.75
 231.78
 5.85
139.70
 153.67
 171.45
 5.23
 203.20
 6.42
 234.95
 6.36
177.80
 194.46
 184.15
 8.39
 228.60
 10.83
 154.00
 10.54
193.68
 215.90
 190.50
 12.30
 234.95
 15.63
 263.52
 15.82
244.48
 269.88
 196.85
 18.03
 266.70
 25.45
 269.88
 23.16
273.05
 298.45
 203.20
 20.78
 - - 269.88
 28.03
339.73
 365.12
 203.20
 25.66
 - - 269.88
 31.77

4.API Coupling


 Size
 Type
 Outer   Diameter
(0   /   1%)
 Wall   Thickness
(0   /   2.5%)
API   Tubing
 2   3/8
 NU
 73.00
 12
2   3/8 EU 77.80 12
2   7/8 NU 88.90 13
2   7/8 EU 93.20 14
3   1/2 NU 108.00 14
3   1/2 EU 114.30 15
4 NU 120.70 15
4 EU 127.00 15
4   1/2 NU 132.10 15
4   1/2 EU 141.30 16
API   Casing
 4   1/2
 STC
 127.00
 12
4   1/2 LC 127.00 12
4   1/2 BC 127.00 12
5 STC 141.30 13
5 LC 141.30 14
5 BC 141.30 13
5   1/2 STC 153.70 13
5   1/2 LC 153.70 14
5   1/2 BC 153.70 13
6   5/8 STC 187.70 17
6   5/8 LC 187.70 17
6   5/8 BC 187.70 16
7 200.03
 200.03 15
7 LC 200.03 16
7 BC 200.03 15
7   5/8 STC 215.90 18
7   5/8 LC 215.90 19
7   5/8 BC 215.90 18
8   5/8 STC

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