Heavy Weight Drill Pipe,drilling pipe,API drill pipe

 

4 3/4

5

5

4 1/4

4 1/2

4 1/2

3 3/4

7 1/8

6 15/16

6 5/8FH

4

8
(8 1/4, 8 1/2)

4

6 5/8

6 5/8

3 3/4

4

4

3 5/8

3 7/8

3 7/8

3 1/8

3 3/8

3 3/8

3

6

5 11/16

5 1/2FH

3 1/4

7
(7 1/4, 7 1/2)

3 1/4

5 1/2

5 1/2

2 3/4

5 1/2

5 1/8

NC 50

3

6 5/8

3

5

5

2 9/16

2 13/16

2 13/16

2 1/2

2 3/4

2 3/4

2 17/16

5

4 11/16

NC46

2 11/16

6 1/4

2 11/16

4 1/2

4 1/2

2 5/16

2 9/16

2 9/16

2 1/4

4 1/2

4 3/16

NC40

2 1/2

5 1/4

2 1/2

4

4

2 13/16

2 1/16

2 1/16

2

4

3 7/8

NC38

2 1/4

4 3/4
(4 7/8, 5)

2 1/4

3 1/2

3 1/2

Min drift dia.size

Central upset dia.

Max.elevator diameter

Thread type

Tool Joint I.D.

Tool Joint O.D.

I.D.

O.D.

Size

The wall thickness of heavy weight drill pipe is between drill pipe and drill collar,its structure is simliar with drill pipe.It is made from premium alloyed steel.Its both tool joints and middle upset are welded hardbands.Technical parameters meet with API Spec7-1 Standard.
Heavy Weight Drill Pipe,drilling pipe,API drill pipe
Thechnical specifications and parameters...............