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Heavy Drill Pipe
 

Size(in)

O.D. (in)

I.D. (in)

Tool Joint

Tool Joint

Connection

Max. Elevator

Central Upset

Min. Drift Dia.

O.D. (in)

I.D. (in)

Diameter (in)

Dia. (in)

Size(in)

3 1/2

3 1/2

2 1/4

4 3/4

2 1/4

NC38

3 7/8

4

2

2 1/16

(4 7/8, 5)

2 1/16

1 13/16

4

4

2 1/2

5 1/4

2 1/2

NC40

4 3/16

4 1/2

2 1/4

2 9/16

2 9/16

2 5/16

4 1/2

4 1/2

2 11/16

6 1/4

2 11/16

NC46

4 11/16

5

2 7/16

2 3/4

2 3/4

2 1/2

2 13/16

2 13/16

2 9/16

5

5

3

6 5/8

3

NC50

5 1/8

5 1/2

2 3/4

5 1/2

5 1/2

3 1/4

7

3 1/4

5 1/2 FH

5 11/16

6

3

3 3/8

(7 1/4, 7

3 3/8

3 1/8

3 7/8

1/2)

3 7/8

3 5/8

4

 

4

3 3/4

6 5/8

6 5/8

4

8 (8 1/4, 8

4

6 5/8 FH

6 15/16

7 1/4

3 3/4

4 1/2

1/2)

4 1/2

4 1/4

5

 

5

4 3/4

 
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