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Home » Products » Heavy Weight Drill Pipe
Related Searches: Heavy Weight Drill Pipes | Heavy Weight Drill Pipes | Heavy Weight Drill Pipes
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Heavy Weight Drill Pipe

Heavy Weight Drill Pipe
Integral heavy weight drill pipe is manufactured from AISI 4142H-4145H modified drill collar material according to SY/T 5146-1997. API heavy wall drill pipe is designed for providing a smooth transition between the heavier drill collar and relatively light pipe.

Parameters of API Heavy Weight Drill Pipe

SPEC
Pipe Body OD
Pipe Body ID (mm)
Tool Joint OD
Tool Joint ID
Connection
Max Elevator Upset Dia (inch)
Center Upset Dia
Pin Tong
Box Tong
Weight(lb/ft)

+1/16"
-1/32

+1/16"
-1/32
+1/8"
0


+1/16"
-1/32
+1.26"
0
+1.26"
0

2 7/8
2 7/8
1 1/2
3 3/8
1 1/2
NC26
2 15/16
3 5/16
27
21
17.26
3 1/2
3 1/2
2 1/4
4 3/4
2 1/4
NC38
3 7/8
4
27
21
23.48


2 1/16
(4 7/8, 5 )
2 1/16



27
21
25.65
4
4
2 1/2
5 1/4
2 1/2
NC40
4 3/16
4 1/2
27
21
29.87


2 9/16

2 9/16



27
21
29.64
4 1/2
4 1/2
2 11/16
6 1/4
2 11/16
NC46
4 11/16
5
27
21
41.49


2 3/4

2 3/4



27
21
40.59


2 13/16

2 13/16



27
21
39.66
5
5
3
6 5/8
3
NC50
5 1/8
5 1/2
27
21
50.38
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
27
21
59.27


3 3/8

3 3/8



27
21
57.0


3 7/8

3 7/8



27
21
47.33


4

4



27
21
44.71
6 5/8
6 5/8
4
8 (8 1/4, 8 1/2)
4
6 5/8FH
6 15/16
7 1/8
27
21
81.73


4 1/2

4 1/2



27
21
71.43


5

5



27
21
57.73
We can apply designated connection and length as per customers' requirement.


Types of Heavy Weight Drill Pipe

1.Conventional integral extra-heavy drill rod—— Provide a Transition between drill collar and drill pipe
2.The API heavy wall drill pipe have three section spiral—— It was developed for large displacement well and horizontal well.
3.Thick wall spiral drill pipe—— It have better effect in complex drilling conditions

Features

1. Gentle transition between weight and rigidity allows you to drill at higher RPMS, reducing torque and differential pressure sticking. It is intended primarily for directional drilling.
2. Heavy weight drill pipe is designed for providing a smooth transition between the heavier drill collar and relatively light pipe.
3. Spiral extra-heavy drill rod is more beneficial to reduce the tendency of differential pressure sticking and benefits the annular cuttings discharge.
4. Because the drill collar bends easily, heavy weight drill pipe simplifies directional control and minimizes connection fatigue problems common to high angle or horizontal drilling.
5. Compared with drill collar, API heavy wall drill pipe reduce the touch with side wall and reduce the tendency of differential pressure sticking.
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