Size

Nom.

Weight

Wall

Thickness

Upset

Style

Drill Pipe

Tool Joint

in

　lb/ft

in

API

SPEC 5D

API SPEC 7

HLDS

Pin tong

(in)

Box tong

(in)

Conn.

OD

ID

Conn.

OD

ID

Pin and

Box(in)

PIN

(in)

Pin and

PIN

Box(in)

(in)

2 3/8

6.65

0.28

EU

E

NC26

3 3/8

1 3/4

HLDS26

3 3/8

1 3/4

7

8

X

HLDS26SS

G

2 7/8

10.4

0.362

EU

E

NC31

4 1/8

2 1/8

HLDS31

4 1/8

2 1/8, 2 1/4

7

9

X

4 1/8

2

HLDS31SS

4 1/8

2, 2 1/8

G

4 1/8

2

4 1/8

2, 2 1/8

S

4 3/8

1 5/8

4 3/8

1 5/8, 2

3 1/2

13.3

0.368

EU

E

NC38

4 3/4

2 11/16

HLDS38

4 3/4

2-11/16, 2-13/16

8

10 1/2

X

5

2  9/16

HLDS38SS

5

2 9/16, 2 11/16

G

5

2  7/16

5

2 7/16, 2 9/16

S

5

2 1/8

5

2 1/8, 2 1/2

3 1/2

15.5

0.449

EU

E

NC38

5

2  9/16

HLDS38

5

2 9/16, 2 11/16

8

10 1/2

X

5

2  7/16

HLDS38SS

5

2 7/16, 2 9/16

G

5

2 1/8

5

2 1/8, 2 1/2

S

NC40

5 1/2

2 1/4

HLDS40

5 1/2

2 1/4, 2 1/2

7

10

HLDS40SS

4

14

0.33

IU

E

NC40

5 1/4

2 13/16

HLDS40

5 1/4

2 13/16, 3

7

10

X

5 1/4

2 11/16

HLDS40SS

5 1/4

2 11/16, 2 13/16

G

5 1/2

2  7/16

5 1/2

2 7/16, 2 11/16

S

5 1/2

2

5 1/2

2, 2 7/16

EU

E

NC46

6

3 1/4

HLDS46

6

3 1/4, 3 1/2

7

10

X

6

3 1/4

HLDS46SS

6

3 1/4, 3 1/2

G

6

3 1/4

6

3 1/4, 3 1/2

S

6

3

6

3，3 1/4

4

15.7

0.38

IU

E

NC40

5 1/4

2 11/16

HLDS40

5 1/4

2, 11/16

7

10

X

5 1/2

2  7/16

HLDS40SS

5 1/2

2 7/16, 2 11/16

G

5 1/2

2  7/16

5 1/2

2 7/16, 2 11/16

EU

E

NC46

6

3 1/4

HLDS46

6

3 1/4, 3 1/2

7

10

X

6

3 1/4

HLDS46SS

6

3 1/4, 3 1/2

G

6

3 1/4

6

3 1/4, 3 1/2

S

6

3

6

3, 3 1/4

4 1/2

16.6

0.337

IEU

E

NC46

6 1/4

3 1/4

HLDS46

6 1/4

3 1/4, 3 1/2

7

10

X

6 1/4

3

HLDS46SS

6 1/4

3, 3 1/4

G

6 1/4

3

6 1/4

3, 3 1/4

S

6 1/4

2 3/4

6 1/4

2 3/4, 3

EU

E

NC50

6 5/8

3 3/4

HLDS50

6 5/8

3 3/4, 4

7

10

X

6 5/8

3 3/4

HLDS50SS

6 5/8

3 3/4, 4

G

6 5/8

3 3/4

6 5/8

3 3/4, 4

S

6 5/8

3 1/2

6 5/8

3 1/2, 3 3/4

4 1/2

20

0.43

IEU

E

NC46

6 1/4

3

HLDS46

6 1/4

3, 3 1/4

7

10

X

6 1/4

2 3/4

HLDS46SS

6 1/4

2 3/4, 3

G

6 1/4

2 1/2

6 1/4

2 1/2, 2 3/4

S

6 1/4

2 1/4

6 1/4

2 1/4, 2 1/2

EU

E

NC50

6 5/8

3 5/8

HLDS50

6 5/8

3 5/8, 3 7/8

7

10

X

6 5/8

3 1/2

HLDS50SS

6 5/8

3 1/2, 3 5/8

G

6 5/8

3 1/2

6 5/8

3 1/2, 3 5/8

S

6 5/8

3

6 5/8

3, 3 3/8

5

19.5

0.362

IEU

E

NC50

6 5/8

3 3/4

HLDS50

6 5/8

3 3/4, 4

7

10

X

6 5/8

3 1/2

HLDS50SS

6 5/8

3 1/2, 3 3/4

G

6 5/8

3 1/4

6 5/8

3 1/4, 3 1/2

S

6 5/8

2 3/4

6 5/8

2 3/4, 3

E

5 1/2

7

4

HLDS512

7

4, 4 1/4

8

10

X

FH

7

3 3/4

HLDS512SS

7

3 3/4, 4

G

7 1/4

3 1/2

7 1/4

3 1/2, 3 3/4

S

7 1/2

3

7 1/2

3, 3 1/2

5

25.6

0.5

E

NC50

6 5/8

3 1/2

HLDS50

6 5/8

3 1/2, 3 3/4

7

10

X

6 5/8

3

HLDS50SS

6 5/8

3, 3 1/2

G

6 5/8

2 3/4

6 5/8

2 3/4, 3

IEU

E

5 1/2

7

3 1/2

HLDS512

7

3 1/2, 3 3/4

8

10

X

FH

7

3 1/2

HLDS512SS

7

3 1/2, 3 3/4

G

7 1/4

3 1/2

7 1/4

3 1/2, 3 3/4

S

7 1/4

3 1/4

7 1/4

3 1/4, 3 1/2

5 1/2

21.9

0.361

IEU

E

5 1/2

7

4

HLDS512

7

4, 4 1/4

8

10

24.7

0.415

X

FH

7

3 3/4

HLDS512SS

7

3 3/4, 4

G

7 1/4

3 1/2

7 1/4

3 1/2, 3 3/4

S

7 1/2

3

7 1/2

3, 3 1/2

IEU

E

5 1/2

7

4

HLDS512

7

4, 4 1/4

8

10

X

FH

7 1/4

3 1/2

HLDS512SS

7 1/4

3 1/2, 4

G

7 1/4

3 1/2

7 1/4

3 1/2, 4

S

7 1/2

3

7 1/2

3, 3 1/2

6 5/8

25.2

0.33

IEU

E

6 5/8

8

5

HLDS658

8

5, 5 1/4

8

11

27.7

0.362

X

FH

8

5

HLDS658SS

8

5, 5 1/4

G

8 1/4

4 3/4

8 1/4

4 3/4, 5

S

8 1/2

4 1/4

8 1/2

4 1/4, 4 3/4

IEU

E

6 5/8

8

5

HLDS658

8

5, 5 1/4

8

11

X

FH

8 1/4

4 3/4

HLDS658SS

8 1/4

4 3/4, 5

G

8 1/4

4 3/4

8 1/4

4 3/4, 5

S

8 1/2

4 1/4

8 1/2

4 1/4, 4 3/4

Notes:

1.The size of the tool joint is subject to the requirements of client, but it shall also meet the specified torsional strength requirements.

窗体底端

2.The drill pipe size can be extended as the requirements of clients.