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Oil Drill Pipe

  • Surface Set Diamond Bits Surface Set Diamond Bits
  • Impregnated Diamond Bits Impregnated Diamond Bits
  • Casing Shoes Casing Shoes
  • Polycrystalline Diamond Compact Bits Polycrystalline Diamond Compact Bits
  • Geological Drill Pipe Geological Drill Pipe
  • Wire Line Drill Pipe Wire Line Drill Pipe
  • Kelly Drill Rod Kelly Drill Rod
  • API Drill Pipe API Drill Pipe
  • Heavy Weight Drill Pipe Heavy Weight Drill Pipe
  • Drill Collar Drill Collar
Advanced oil drill pipe production lines can transfer the welding parameters to the best position to ensure the quality of welding zone. The heat treatment process with the feature of internal and external cooling at the same time can make a more reliable and stable mechanical character.

Specifications of Oil Drill Pipe

Spec
OD of drill
pipe body
Wall thickness
of drill pipe
OD of
welding neck
Tool joint
RSC
chamfer diameter
Approximation
quality
OD
internal diameter
of male thread
length of male
thread's OD
length of female
thread's OD
NO.1
NO.1
grade
upset
RSC
Ddp
mm
t
mm
Dteb
mm
D
mm
dp
mm
Lpb
mm
Lb
mm
Df
mm
Wdp
kg/m
A.2
-12.5%
MAX
±0.8
+0.4
-0.8
±6.4
±6.4
±0.4
Calculated
1
2
3
4
5
6
7
8
9
10
11
12
13
14
IU
4
14.00
E
IU
NC40
101.60
8.38
106.4
133.4
71.4
177.80
254.00
127.40
22.42
4
14.00
S
IU
NC40
101.60
8.38
106.4
133.4
68.3
177.80
254.00
127.40
22.76
4
14.00
G
IU
NC40
101.60
8.38
106.4
139.7
61.9
177.80
254.00
127.40
23.61
4
14.00
D
IU
NC40
101.60
8.38
106.4
139.7
50.8
177.80
254.00
127.40
24.03
4-1/2
13.75
E
IU
NC46
114.30
6.88
119.1
152.4
85.7
177.80
254.00
145.26
22.50
2-3/8
6.65
E
EU
NC26
60.32
7.11
65.1
85.7
44.5
177.80
203.20
82.90
10.45
2-3/8
6.65
X,G
EU
NC26
60.32
7.11
65.1
85.7
44.5
177.80
203.20
82.90
10.58
2-7/2
10.40
E
EU
NC31
73.02
9.19
81.0
104.8
54.0
177.80
228.60
100.41
16.25
2-7/8
10.40
X,G
EU
NC31
73.02
9.19
81.0
104.8
50.8
177.80
228.60
100.41
16.50
2-7/8
10.40
S
EU
NC31
73.02
9.19
81.0
111.1
41.3
177.80
228.60
100.41
17.19
3-1/2
9.50
E
EU
NC38
88.90
6.45
98.4
120.7
68.3
203.20
266.70
116.28
15.77
3-1/2
13.30
E
EU
NC38
88.90
9.35
98.4
120.7
68.3
203.20
266.70
116.28
20.77
3-1/2
13.30
X
EU
NC38
88.90
9.35
98.4
127.0
65.1
203.20
266.70
116.28
21.76
3-1/2
13.30
G
EU
NC38
88.90
9.35
98.4
127.0
61.9
203.20
266.70
116.28
21.90
3-1/2
13.30
S
EU
NC38
88.90
9.35
98.4
127.0
54.0
203.20
266.70
116.28
22.22
3-1/2
13.50
E
EU
NC38
88.90
11.40
98.4
127.0
65.1
203.20
266.70
116.28
24.67
3-1/2
13.50
X
EU
NC38
88.90
11.40
98.4
127.0
61.9
203.20
266.70
116.28
25.07
3-1/2
13.50
G
EU
NC38
88.90
11.40
98.4
127.0
54.0
203.20
266.70
116.28
25.38
3-1/2
13.50
S
EU
NC40
88.90
11.40
98.4
139.7
57.2
203.20
266.70
127.40
26.19
EU
4
14.00
E
EU
NC46
101.60
8.38
114.3
152.4
82.6
177.80
254.00
145.26
23.67
4
14.00
X,G
EU
NC46
101.60
8.38
114.3
152.4
82.6
177.80
254.00
145.26
24.12
4
14.00
S
EU
NC46
101.60
8.38
114.3
152.4
76.2
177.80
254.00
145.26
24.46
4-1/2
13.75
E
EU
NC50
114.30
6.88
127.0
168.3
95.3
177.80
254.00
153.99
23.65
4-1/2
16.60
E
EU
NC50
114.30
8.56
127.0
168.3
95.3
177.80
254.00
153.99
27.51
4-1/2
16.60
X,G
EU
NC50
114.30
8.56
127.0
168.3
95.3
177.80
254.00
153.99
28.07
4-1/2
16.60
S
EU
NC50
114.30
8.56
127.0
168.3
88.9
177.80
254.00
153.99
28.47
4-1/2
20.00
E
EU
NC50
114.30
10.92
127.0
168.3
92.1
177.80
254.00
153.99
32.93
4-1/2
20.00
X,G
EU
NC50
114.30
10.92
127.0
168.3
88.9
177.80
254.00
153.99
33.63
4-1/2
20.00
S
EU
NC50
114.30
10.92
127.0
168.3
76.2
177.80
254.00
153.99
34.34
4-1/2
16.60
E
IEU
NC46
114.30
8.56
119.1
168.3
82.6
177.80
254.00
145.26
27.36
4-1/2
16.60
X,G
IEU
NC46
114.30
8.56
119.1
158.8
76.2
177.80
254.00
145.26
27.73
4-1/2
16.60
S
IEU
NC46
114.30
8.56
119.1
158.8
69.9
177.80
254.00
145.26
28.04
4-1/2
20.00
E
IEU
NC46
114.30
10.92
119.1
158.8
76.2
177.80
254.00
145.26
32.94
4-1/2
20.00
X
IEU
NC46
114.30
10.92
119.1
158.8
69.9
177.80
254.00
145.26
33.69
4-1/2
20.00
G
IEU
NC46
114.30
10.92
119.1
158.8
63.5
177.80
254.00
145.26
33.97
4-1/2
20.00
S
IEU
NC46
114.30
10.92
119.1
158.8
57.2
177.80
254.00
145.26
34.23
IEU
5
19.50
E
IEU
NC50
127.00
9.19
130.2
168.3
95.3
177.80
254.00
153.99
31.79
5
19.50
X
IEU
NC50
127.00
9.19
130.2
168.3
88.9
177.80
254.00
153.99
32.58
5
19.50
G
IEU
NC50
127.00
9.19
130.2
168.3
82.6
177.80
254.00
153.99
32.95
5
19.50
S
IEU
NC50
127.00
9.19
130.2
168.3
69.9
177.80
254.00
153.99
33.60
5
19.50
E
IEU
5(1/2)FH
127.00
9.19
130.2
177.8
95.3
203.20
254.00
170.66
33.22
5
19.50
X,G
IEU
5(1/2)FH
127.00
9.19
130.2
177.8
95.3
203.20
254.00
170.66
33.61
5
19.50
S
IEU
5(1/2)FH
127.00
9.19
130.2
184.2
88.9
203.20
254.00
170.66
34.89
5
25.60
E
IEU
NC50
127.00
12.70
130.2
168.3
88.9
177.80
254.00
153.99
40.73
5
25.60
X
IEU
NC50
127.00
12.70
130.2
138.6
76.2
177.80
254.00
153.99
41.80
5
25.60
G
IEU
NC50
127.00
12.70
130.2
168.3
69.9
177.80
254.00
153.99
42.11
5
25.60
E
IEU
5(1/2)FH
127.00
12.70
130.2
177.8
88.9
203.20
254.00
170.66
42.14
5
25.60
X
IEU
5(1/2)FH
127.00
12.70
130.2
177.8
88.9
203.20
254.00
170.66
42.51
5
25.60
G
IEU
5(1/2)FH
127.00
12.70
130.2
184.2
88.9
203.20
254.00
170.66
43.35
5
25.60
S
IEU
5(1/2)FH
127.00
12.70
130.2
184.2
82.6
203.20
254.00
170.66
43.75

Parameters of Oil Drill Pipe


 Grade
Yield strength
Tensile strength
min
max
min
Psi
Mpa
Psi
Mpa
Psi
Mpa
1
E-75
75.000
517
105.000
724
100000
689
2
X-95
95.000
655
125.000
862
105000
724
G-105
105.000
724
135.000
931
115000
793
S-135
135.000
931
165.000
1138
145000
1000

Application

1. It is applied to automatic weight, length measurement and automatic spray records can ensure products' traceability.
2. Oil drill pipe is used for thickening and heating lines and 1250 tons of upsetting machine can ensure the thickening size meet the standard of API SPEC 5DR.
3. The machine is applied for CN furnace for whole pipe body heating and quenching, tempering machine's advanced heat treatment process can ensure the pipe's mechanical character.
4. Tube hydraulic straightening machine ensures the straightness and coaxially of pipe body.

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