Oil drill pipe
Internal Coating :High abrasion resistance and low friction factor,
High hardness and impact resistance, Good corrosion resistance
Hard-banding: Good balance between anti-wear and friction-reduction; The wear rate is less than 6% of that of bare tool joint,which can prolong 3 times of the tool joint service life; Reduce the torque of drilling string;Good weld ablity with little splash and good re-welding performance
|
Size
|
Weight
|
Falt-end weight
|
Grade
|
Wall thickness
|
Upset types
|
|||
|
Inch
|
mm
|
Lb/ft
|
Kg/m
|
Inch
|
mm
|
|||
|
2 3/8
|
60.3
|
6.65
|
6.26
|
9.32
|
E.X.G.S
|
0.280
|
7.11
|
EU
|
|
2 7/8
|
73.0
|
10.40
|
9.72
|
14.48
|
E.X.G.S
|
0.362
|
9.19
|
IU,EU
|
|
3 1/2
|
88.9
|
9.50
|
8.81
|
13.12
|
E
|
0.254
|
6.45
|
IU,EU
|
|
3 1/2
|
88.9
|
13.30
|
12.31
|
18.34
|
E.X.G.S
|
0.368
|
9.35
|
IU,EU
|
|
3 1/2
|
88.9
|
15.50
|
14.63
|
21.79
|
E
|
0.449
|
11.40
|
IU,EU
|
|
3 1/2
|
88.9
|
15.50
|
14.63
|
21.79
|
X.G.S
|
0.449
|
11.40
|
EU,IEU
|
|
4
|
101.6
|
14.00
|
12.93
|
19.26
|
E.X.G.S
|
0.330
|
8.38
|
IU,EU
|
|
4 1/2
|
114.3
|
13.75
|
12.24
|
18.23
|
E
|
0.271
|
6.88
|
IU,EU
|
|
4 1/2
|
114.3
|
16.00
|
14.98
|
22.31
|
E.X.G.S
|
0.337
|
8.56
|
EU,IEU
|
|
4 1/2
|
114.3
|
20.00
|
18.69
|
27.84
|
E.X.G.S
|
0.430
|
10.92
|
EU,IEU
|
|
5
|
127.0
|
16.25
|
14.87
|
22.15
|
X.G.S
|
0.296
|
7.52
|
EU
|
|
5
|
127.0
|
19.50
|
17.93
|
26.71
|
E
|
0.362
|
9.19
|
IEU
|
|
5
|
127.0
|
19.50
|
17.93
|
26.71
|
X.G.S
|
0.362
|
9.19
|
EU,IEU
|
|
5
|
127.0
|
25.60
|
24.03
|
35.79
|
E
|
0.500
|
12.70
|
IEU
|
|
5
|
127.0
|
25.60
|
24.03
|
35.79
|
X,G,S
|
0.500
|
12.70
|
EU,IEU
|
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