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Heavy Weight Drill Pipe
Source: LONGER | [ 2013-09-12 ] Hits: 3203

 

Standard: API Spec 7-1

Specification: OD 3 1/2", 4 1/2", 5", 5 1/2"

Material: AISI 4145H Alloy Steel and Non-magnetic material

Type: Integral and Friction welded

Usage: HWDP is the transition zone between drill collar and drill pipe. It can not only reduce stress-formation in the connection of drill collar and drill pipe, but also reduce the wear on OD.

Specifications:

Size(in)

O.D.(in)

I.D. (in)

Tool Joint O.D.(in)

Tool Joint I.D. (in)

Connection

Max.elevator diameter (in)

Central upset dia.(in)

Min.drift dia.size(in)

3 1/2

3 1/2

2 1/4

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

2 1/4

NC38

3 7/8

4

2

2 1/16

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
(7 1/4,

7 1/2)

3 1/4

5 1/2 FH

5 11/16

6

3

3 3/8

3 3/8

3 1/8

3 7/8

3 7/8

3 5/8

4

4

3 3/4

6 5/8

6 5/8

4

8
(8 1/4,

8 1/2)

4

6 5/8 FH

6 15/16

7 1/8

3 3/4

4 1/2

4 1/2

4 1/4

5

5

4 3/4

Note: When ordering or requesting for quote, please specify the detailed requirements.