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Oil Tubing

Pipe Type:Tubing Pipe, Oil Tubing, API Tubing Well Tubing, Tubing
Application:Used for extracing Oil or Gas from Wells
Specification: OD: 48.26mm-114.3mm
WT: 3.18-16mm
LENGTH: R1, R2, R3
Standard:API 5CT PSL1/PSL2 J55,K55,N80-1,N80-Q,API 5CT PSL1/PSL2 L80-1, L80-9Cr,L80-13Cr,C90, C95, P110, Q125
Thread:NUE, EUE, VAM, STC, LTC, BTC, XC, VAM TOP, NEW VAM,HYDRILL CS
Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
Accessories:Pup Joint, Coupling, Drill Collar, Crossover etc.
Packing:Protection Caps in Both Ends, Waterproof Paper Wrapped, Two Tags

OCTG tubing is a pipeline which transports crude oil and nature gas from hydrocarbon reservoir to the surface after the completion of drilling. It’s one of the main products of OCTG and it can withstand the pressure generated in the process of mining.

 

Oil tubing pipe is divided into non-upset(NU) oil pipe , external upset(EU) oil pipe and integral joint oil pipe. Non-upset oil pipe is the pipe end directly carried out thread turning which does not thickened and band coupling.

 

External upset oil pipe refers to the end of tube carry out thicken. The integral joint oil pipe is one end of which is passed through the internal thickened, the other end passes through the external thickened.

Outside diameter of tubing is from 1.660” to 4 1/2” (42.16mm to 114.3mm); wall thickness is from 2.3 PPF to 26.10 PPF (3.57mm to 9.52mm). Based on the standard of API 5CT, ISO11960, GOST, and their steel grade are from H40, J55, N80, N80Q, L80, L80-1, L80-9Cr, L80-13Cr, P110 etc. As you know the length range is R1 (6.10-7.32M), R2 (8.53-9.75M), R3 (11.58-12.8M), R2 is used frequently.


Tubing Sizes

 Processed Forms of end finish

Outer Diameter

Wall Thickness

H40

J55

L80

N801

N80Q

C90

T95

P110

in

mm

in

mm



1.900

48.26

0.125

3.18

PI

PI

/

/

/

/

0.145

3.68

PNUI

PNUI

PNUI

PNUI

PNUI

/

0.200

5.08

PU

PU

PU

PU

PU

PU

0.250

6.35

/

/

P

/

P

/

0.300

7.62

/

/

P

/

P

/

2.063

52.40

0.156

3.96

PI

PI

PI

PI

PI

/

0.225

5.72

P

P

P

P

P

P

2 3/8

60.32

0.167

4.24

PU

PN

PN

PN

PN

/

0.190

4.83

PNU

PNU

PNU

PNU

PNU

PNU

0.254

6.45

/

/

PNU

PNU

PNU

PNU

0.295

7.49

/

/

P

/

P

/

0.336

8.53

/

/

PU

/

PU

/

2 7/8

73.02

0.217

5.51

PNU

PNU

PNU

PNU

PNU

PNU

0.276

7.01

/

/

PNU

PNU

PNU

PNU

0.308

7.82

/

/

PNU

PNU

PNU

PNU

0.340

8.64

/

/

PU

/

PU

/

0.392

9.96

/

/

P

/

P

/

0.440

11.18

/

/

P

/

P

/

3 1/2

88.90

0.216

5.49

PN

PN

PN

PN

PN

/

0.254

6.45

PNU

PNU

PNU

PNU

PNU

PNU

0.289

7.34

PN

PN

PN

PN

PN

/

0.375

9.52

/

/

PNU

PNU

PNU

PNU

0.430

10.92

/

/

P

/

P

/

0.476

12.09

/

/

P

/

P

/

0.530

13.46

/

/

P

/

P

/

4

101.60

0.226

5.74

PN

PN

PN

PN

PN

/

0.262

6.65

PU

PU

PU

PU

PU

/

0.330

8.38

/

/

P

/

P

/

0.415

10.54

/

/

P

/

P

/

0.500

12.70

/

/

P

/

P

/

0.610

15.49

/

/

P

/

P

/

4 1/2

114.30

0.271

6.88

PNU

PNU

PNU

PNU

PNU

/

0.337

8.56

/

/

P

/

P

/

0.380

9.65

/

/

P

/

P

/

0.430

10.92

/

/

P

/

P

/

0.500

12.70

/

/

P

/

P

/

0.560

14.22

/

/

P

/

P

/

0.630

16.00

/

/

P

/

P

/

Note: P—plain-end;N—non-upset, with threaded and coupled;U—external-upset, with threaded and coupled;I—whole joint.


Standard

Grade

Tensile Strength(MPa)

Yield Strength(MPa)

Elongation(%)

Hardness

API SPEC 5CT

J55

≥517

379~552

0.5%


K55

≥655

379~552

0.5%



N80

≥689

552~758

0.5%



L80(13Cr)

≥655

552~655

0.5%

≤241HB


P110

≥862

758~965

0.6%



Chemical Composition:

Standard

Grade

Composition(%)











C

Si

Mn

P

S

Cr

Ni

Cu

Mo

V

AIs



API SPEC 5CT
 

J55K55

0.34~0.39

0.20~
0.35

1.25~1.50

≤0.020

≤0.015

≤0.15

≤0.20

≤0.20



≤0.020

(37Mn5)













N80

0.34~0.38

0.20~
0.35

1.45~1.70

≤0.020

≤0.015

≤0.15




0.11
~0.16

≤0.020


(36 Mn2V)













L80(13Cr)

0.15~0.22

≤1.00

0.25~1.00

≤0.020

≤0.010

12.0~
14.0

≤0.20

≤0.20



≤0.020


P110

0.26~0.35

0.17~
0.37

0.40~0.70

≤0.020

≤0.010

0.80~
1.10

≤0.20

≤0.20

0.15
~0.25

≤0.08

≤0.
















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