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TIANHE provides a complete line of drill string products, including a full range of jointed drill pipe in nominal sizes from 2-3/8” to 6-5/8” and in a wide range of wall thicknesses. TIANHE drill pipe with a strict quality control regimen from initial materials selection to final inspection, we ensure that each joint of drill pipe meets your needs for durability and performance.
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Size
|
Weight
Designation
|
Plain-End Weight
Wpe
|
Outside Diameter
D
|
Wall thickness
T
|
Grade
|
Upset Ends,for
weld-on tool joints
|
|
| |
| |
|
lb/ft
|
kg/m
|
in mm
|
in. mm
|
|
|
2 3/8
|
6.65
|
6.27
|
9.33
|
2.375
|
60.3
|
0.28
|
7.11
|
E, X, G, S
|
Ext.Upset
|
|
|
2 7/8
|
10.4
|
9.72
|
14.47
|
2.875
|
73
|
0.362
|
9.19
|
E, X, G, S
|
Int.Upset or Ext.Upset
|
|
|
3 1/2
|
9.5
|
8.81
|
13.12
|
3.5
|
88.9
|
0.254
|
6.45
|
E
|
Int.Upset or Ext.Upset
|
|
|
3 1/2
|
13.3
|
12.32
|
18.34
|
3.5
|
88.9
|
0.368
|
9.35
|
E, X, G, S
|
Int.Upset or Ext.Upset
|
|
|
3 1/2
|
15.5
|
14.64
|
21.79
|
3.5
|
88.9
|
0.449
|
11.4
|
E
|
Int.Upset or Ext.Upset
|
|
|
3 1/2
|
15.5
|
14.64
|
21.79
|
3.5
|
88.9
|
0.449
|
11.4
|
X, G, S
|
Ext.Upset or Int.-Ext.Upset
|
|
|
4
|
14
|
12.95
|
19.27
|
4
|
101.6
|
0.33
|
8.38
|
E, X, G, S
|
Int.Upset or Ext.Upset
|
|
|
4 1/2
|
13.75
|
12.25
|
18.23
|
4.5
|
114.3
|
0.271
|
6.88
|
E
|
Int.Upset or Ext.Upset
|
|
|
4 1/2
|
16.6
|
15
|
22.32
|
4.5
|
114.3
|
0.337
|
8.56
|
E, X, G, S
|
Ext.Upset or Int.-Ext.Upset
|
|
|
4 1/2
|
20
|
18.71
|
27.84
|
4.5
|
114.3
|
0.43
|
10.92
|
E, X, G, S
|
Ext.Upset or Int.-Ext.Upset
|
|
|
5
|
16.25
|
14.88
|
22.16
|
5
|
127
|
0.296
|
7.52
|
X, G, S
|
Int.Upset
|
|
|
5
|
19.5
|
17.95
|
26.7
|
5
|
127
|
0.362
|
9.19
|
E
|
Int.-Ext.Upset
|
|
|
5
|
19.5
|
17.95
|
26.7
|
5
|
127
|
0.362
|
9.19
|
X, G, S
|
Ext.Upset or Int.-Ext.Upset
|
|
|
5
|
25.6
|
24.05
|
35.8
|
5
|
127
|
0.5
|
12.7
|
E
|
Int.-Ext.Upset
|
|
|
5
|
25.6
|
24.05
|
35.8
|
5
|
127
|
0.5
|
12.7
|
X, G, S
|
Ext.Upset or Int.-Ext.Upset
|
|
|
5 1/2
|
21.9
|
19.83
|
29.52
|
5.5
|
139.7
|
0.361
|
9.17
|
E, X, G, S
|
Int.-Ext.Upset
|
|
|
5 1/2
|
24.7
|
22.56
|
33.57
|
5.5
|
139.7
|
0.415
|
10.54
|
E, X, G, S
|
Int.-Ext.Upset
|
|
|
6 5/8
|
25.2
|
22.21
|
33.04
|
6.625
|
168.3
|
0.33
|
8.38
|
E, X, G, S
|
Int.-Ext.Upset
|
|
|
6 5/8
|
27.72
|
24.24
|
36.06
|
6.625
|
168.3
|
0.362
|
9.19
|
E, X, G, S
|
Int.-Ext.Upset
|
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