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     Our drill pipe include heavy drill pipe, drill collar, screw drill pipe. The DP range from 2 3/ 8"to 5 1/ 2", E-75, X-95, G-105, S-135steel grade according to API standard. Type of end finish: EU-external upset, IEU-internal & external upset. In case of high grade drill pipe especially for S135 grade, the tool joint tensional yield strength is always lower than the pipe body tensional yield strength, and this unmatched tensional yield strength, sometimes, involves the tool joint failure during drilling operation. So we developed double shoulder tool joint for harsh drilling operation.

Standard : API SPEC 5D
Uses : For well drilling

Size Designation

Nominal
Weight

Calculated Weight Wpe

Grade

Wall Thickness

Upset Ends, for Weld-on Tool Joins(see note)

in.

mm

lb/ft

kg/m

in.

mm

2 3/8

60.3

6.65

6.26

9.32

E,X,G,S

0.280

7.11

EU

2 7/8

73.0

10.4

9.72

14.48

E,X,G,S

0.362

9.19

EU 、 IU

3 1/2

88.9

9.50

8.81

13.12

E

0.254

6.45

EU 、 IU

3 1/2

88.9

13.30

12.31

18.34

E,X,G,S

0.368

9.35

EU 、 IU

3 1/2

88.9

15.50

14.63

21.79

E

0.449

11.40

EU 、 IU

3 1/2

88.9

15.50

14.63

21.79

X,G,S

0.449

11.40

EU 、 IEU

4

101.6

14.00

12.93

19.26

E,X,G,S

0.330

8.38

EU 、 IU

4 1/2

114.3

13.75

12.24

18.23

E

0.271

6.88

EU 、 IU

4 1/2

114.3

16.60

14.98

22.31

E,X,G,S

0.337

8.56

EU 、 IEU

4 1/2

114.3

20.00

18.69

27.84

E,X,G,S

0.430

10.92

EU 、 IEU

5

127.0

16.25

14.87

22.15

X,G,S

0.296

7.52

IU

5

127.0

19.50

17.93

26.71

E

0.362

9.19

IEU

5

127.0

19.50

17.93

26.71

X,G,S

0.362

9.19

EU 、 IEU

5

127.0

25.60

24.03

35.79

E

0.500

12.70

IEU

5

127.0

25.60

24.03

35.79

X,G,S

0.500

12.70

EU 、 IEU

5 1/2

139.7

21.90

19.81

29.51

E,X,G,S

0.361

9.17

IEU

5 1/2

139.7

24.70

22.54

33.57

E,X,G,S

0.415

10.54

IEU

Note: EU-External Upset; IU-Internal Upset; IEU-Internal & External Upset

Outside Diameter, Wall Thickness and Weight Tolerance:

Item

Tolerance

 

Pipe Body

Outside Diameter

D < 114.3mm,±0.79mm
D=114.3mm,±1.0-0.5%D

Wall Thickness and

、 12.5%

Weight

Single Lengths

+6.5%, 、 3.5%

Carloads

、 1.75%

Lengths:

Range

Name

Range1

Range2

Range3

Drill Pipe

5.49 ~ 6.71 m

8.23 ~ 9.14 m

11.58 ~ 13.72 m

Chemical Composition:

Grade

Chemical Composition (%)

P=

S=

E-75

0.030

0.030

X-95

0.030

0.030

G-105

0.030

0.030

S-135

0.030

0.030

Mechanical Properties:

Grade

Yield Strength

Tensile Strength

Elongation(%)

min.

max.

min.

Psi

MPa

Psi

MPa

Psi

MPa

E?5

75000

517

105000

724

100000

689

17

X?5

95000

655

125000

862

105000

724

16.5

G?05

105000

724

135000

931

115000

793

15

S?35

135000

931

165000

1138

145000

1000

12.5

Office Address:  Sheng Li Oil Field, Dong Ying City, Shandong Province, CHINA
Phone: +0086-133-6120-8797   +0086-137-92059610
E-MAIL:  sales@shinequip.com    shinequip@126.com

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