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  Tubing Your Position / Business / Tubing
 
Tubing                                                                   Casing                                                                 Drill pipe
 
Tubing
 
Tubing is pipe used for the transportation of crude oil and natural gas from an oil or gas layer to the surface after drilling is complete. It is made to withstand the pressure generated from the extraction process. Tubing is manufactured in the same way as casing, except that an additional process known as "upsetting" is applied to thicken the pipes.
 
The tubing production processing is similar to the process of casing production.
 
Tubing pipes typically have diameters of 60.3 mm to 114.3 mm.
 
Parameters of tubing pipes. 
 

规格Size

重量代号
Linear Mass lb/ft

外径
Outside diameter

壁厚
Wall thickness

端部加工形式 Type of end-finish

钢级 Grade

Nonupset
T﹠C

Ex-Upset
T﹠C

ln.

mm

ln.

mm

J-55

L-80

N-801类、Q类

C-90

T-95

P-110

2 3/8”

4.00

--

2.375

60.33

0.167

4.24

PN

PN

PN

PN

PN

--

4.60

4.70

2.375

60.33

0.190

4.83

PNU

PNU

PNU

PNU

PNU

PNU

5.80

5.95

2.375

60.33

0.254

6.45

--

PNU

PNU

PNU

PNU

PNU

6.60

--

2.375

60.33

0.295

7.49

--

P

--

P

P

--

7.35

7.45

2.375

60.33

0.336

8.53

--

PU

--

PU

PU

--

2 7/8”

6.40

6.50

2.875

73.03

0.217

5.51

PUN

PNU

PNU

PNU

PNU

PNU

7.80

7.90

2.875

73.03

0.276

7.01

--

PNU

PNU

PNU

PNU

PNU

8.60

8.70

2.875

73.03

0.308

7.82

--

PNU

PNU

PNU

PNU

PNU

9.35

9.45

2.875

73.03

0.340

8.64

--

PU

--

PU

PU

--

10.50

--

2.875

73.03

0.392

9.96

--

P

--

P

P

--

11.50

--

2.875

73.03

0.440

11.18

--

P

--

P

P

--

3 1/2”

7.70

--

3.500

88.90

0.216

5.49

PN

PN

PN

PN

PN

--

9.20

9.30

3.500

88.90

0.254

6.45

PNU

PNU

PNU

PNU

PNU

PNU

10.20

--

3.500

88.90

0.289

7.34

PN

PN

PN

PN

PN

--

12.70

12.95

3.500

88.90

0.375

9.52

--

PNU

PNU

PNU

PNU

PNU

14.30

--

3.500

88.90

0.430

10.92

--

P

--

P

P

--

15.50

--

3.500

88.90

0.476

12.09

--

P

--

P

P

--

17.00

--

3.500

88.90

0.530

13.46

--

P

--

P

P

--

4”

9.50

--

4.000

101.60

0.226

5.74

PN

PN

PN

PN

PN

PU

--

11.00

4.000

101.60

0.262

6.65

PU

PU

PU

PU

PU

PU

13.20

--

4.000

101.60

0.33.

8.38

--

P

--

P

P

--

16.10

--

4.000

101.60

0.415

10.54

--

P

--

P

P

--

18.90

--

4.000

101.60

0.500

12.70

--

P

--

P

P

--

22.20

--

4.000

101.60

0.610

15.49

--

P

--

P

P

--

4 1/2”

12.60

12.75

4.500

114.30

0.271

6.88

PNU

PNU

PNU

PNU

PNU

--

15.20

--

4.500

114.30

0.337

8.56

--

P

--

P

P

--

17.00

--

4.500

114.30

0.380

9.65

--

P

--

P

P

--

18.90

--

4.500

114.30

0.43

10.92

--

P

--

P

P

--

21.50

--

4.500

114.30

0.500

12.70

--

P

--

P

P

--

23.70

--

4.500

114.30

0.560

14.22

--

P

--

P

P

--

26.10

--

4.500

114.30

0.630

16.00

--

P

--

P

P

--

Non-Upset T﹠C—不加厚带螺纹和接箍
Ex-Upset T﹠C—外加厚带螺纹和接箍

P—平端/Plain end
N—不加厚带螺纹和接箍/Non-upset threaded and coupled
U—外加厚带螺纹和接箍/External upset threaded and coupled

 

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