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Drill pipe
HEAVY WEIGHT DRILL PIPE
- Type:Drill pipe
- CAS No:
- Qty in 20' FCL:
- Min. Order:
- Packaging:
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Size(in)
O.D.
(in)
I.D.
(in)
Tool Joint
O.D.
(in)
Tool Joint
O.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
NC5
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 1/2FH
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 5/8FH
6 15/16
7 1/8
3 3/4
4 1/2
4 1/2
4 1/4
5
5
4 3/4
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Heavy Weight Drill Pipe(short for HWDP) is an intermediate weight stem component which is used in conjunction with the drill pipe and drill collars. TIAHNE HWDP is available in standard, spiral and non-magnetic designs. In some applications, heavy-weight also can be used instead of the drill collars.
We Drill Collar has been approved by the NS-1 certification which is made from one-piece 4145H modified quenched and tempered steel. It designed for tough drilling environments in vertical and directional wells; for directional holes it is a weight member and procides additional stiffness to prevent buckling.
Features and Benefits
l A centre upset or wear pad to increase tube life,reduce hole drag and differential sticking problems;
l Connections are completed(phosphate coated) to protect them from the elements after machining and to help prevent galling upon initial make-up;
l Thread roots are cold rolled on API and H-90 connections. And pressed steel thread protectors are supplied for standard connections;
l Hardbanding and Internal Coating can be provided on customer’s request.
