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API 5CT Oilfield Casing and Tubing Coupling

2019-08-22 17:03:00 19

API 5CT Oilfield Casing and Tubing Coupling Product Description

Product Description

Shengji manufacture the tubing and casing coupling with more than 20-year production enperience, we can make EUE and NUE for casing tubing coupling, strictly comply with API 5CT/5B standard, the annual production capacity is 1,000,000 pcs.

The EXPE coating Tubing and Casing Coupling has good corrosion resistance and is used in combination with the HDPE liner tubing. It is widely used in high corrosion Wells.Shengji liner tubing are repair-free thereby extending performance 4.7 times. This reduces maintenance costs. All HDPE/EXPE liner tubing must pass strict quality inspection to guarantee 100% customer satisfaction. Shengji uses an advanced defect detection machine.

API 5CT Oilfield Casing and Tubing CouplingAPI 5CT Oilfield Casing and Tubing CouplingAPI 5CT Oilfield Casing and Tubing Coupling

Key Feature

1. Coupling material cover the whole standard range.
2. High dimension precision.
3. Good peformance in  Anti-Corrosion.

Specifications

Tubing Coupling

Tubing coupling specifications

OD mm

 Min length mm

Weight kg

NU

EN

NU

EN

NU

EN

1.9

55.88

63.5

93.25

98.42

0.56

0.84

2 3/8

73.02

77.8

107.95

123.82

1.28

1.55

2 7/8

88.9

93.17

130.18

133.35

2.34

2.4

3 1/2

107.95

114.3

142.88

146.05

3.71

4.1

4

120.65

127

146.05

152.4

4.35

4.82

4 1/2

132.08

141.3

155.58

158.75

4.89

6.05

 

Casing Coupling

Casing coupling specifications

OD mm

Min length mm

Weight kg

short-thread

long-thread

short-thread

long-thread

4 1/2

127

158.75

177.8

3.62

4.15

5

141.3

165.1

196.85

4.66

5.75

5 1/2

153.67

171.45

203.2

5.23

6.42

 

Performance of Internal Epoxy Coating

 Inspection ItemStandardInspection Method
1AppearanceSmooth, Uniform color, no bubble, no cracking or contraction cavity, little range peel allowedVisual
2Thermal Performance |ΔT g|(℃ )≤ 5Appendix B
3cathodic disbanding resistance≤ 6.5Appendix C
24h or 48h (mm)
4Bonding surface porosity1~4Appendix D
5The section void ratio1~3Appendix D
6resistance to deflection 3°No crackingAppendix E
7Impact Energy (8J)No pin holeAppendix F
8Adhesive forcedissection method1~2Appendix G
pull off adhesion (MPa)≥ 20GB/T 5210
9Electric strength (MV/m)≥ 30GB/T 1408.1
10Volume resistivity(Ω·m )≥ 1×1013GB/T 1410
11Salt fog resistance (1000h)No change of anti-corrosion coatingGB/T 1771

 

Performance Test

 

 1.Magnetic Flux Leakage Testing

API 5CT Oilfield Casing and Tubing Coupling

2. Ultrasonic Flaw Detection at the End of The Pipe

API 5CT Oilfield Casing and Tubing Coupling

 

3.Magnetic Particle Inspection

API 5CT Oilfield Casing and Tubing Coupling

 

4.X-ray Radiographic Inspection 

API 5CT Oilfield Casing and Tubing Coupling

 

5.Hydrostatic Test

API 5CT Oilfield Casing and Tubing Coupling

Development History

 In 1964, our factory is established;

In 1995, we bought in the first tubing production line;

In 2007, our company is restuctured;

In 2015, we became the supplier for Schlumberger and Haliburton.

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Partner

API 5CT Oilfield Casing and Tubing Coupling 

Contact

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