Drill pipe
Description:
Drill pipe makes up the majority of the drill string back up to the surface. Each drill pipe comprises a long tubular section with a specified outside diameter (e.g. 3 1/2 inch, 4 inch, 5 inch, 5 1/2 inch, 5 7/8 inch, 6 5/8 inch). At each end of the drill pipe tubular, larger-diameter portions called the tool joints are located. One end of the drill pipe has a male ("pin") connection whilst the other has a female ("box") connection. The tool joint connections are threaded which allows for the make of each drill pipe segment to the next segment
Standard: API 5DP,GOST, NS-1
Material: Premium alloy steel such as E75, X95, G105, S135
Size:2”~7-5/8”
Drill pipe production flow:
1. Pipe body inspection
2. Pipe end upsetting
3. Integral quenching and tempering
4. Pipe end finish
5. Friction welding
6. Weld zone annealing
7. Weld zone external & internal machining
8. We’d zone heat treatment
9. Weld zone grinding
10. Weld zone inspection
11. Hard banding
12. Internal & external coating
13. Length measuring, weighing and marking
14. Packing
Technical Paramete:
Designationsa
|
Pipe-body OD |
Pipe wall |
Drill-pipe |
Tool joint |
RSC bevel dia. |
Approx |
|||||||
thickness |
Weld neck |
OD |
Pin ID |
Pin OD |
Box OD |
Mass-c |
|||||||
L |
L |
||||||||||||
Label 1 |
Label 2 |
Grade |
Upset |
RSC |
D-dp |
t |
D-teb |
D |
D-p |
L-pb |
L-b |
D-f |
W-dp |
Type |
typed |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
Kg/m |
|||
-12.50% |
max. |
±0.8 |
0.4 |
±6.4 |
±6.4 |
±0.4 |
|||||||
-0.8 |
|||||||||||||
Internal-external upset(IEU) | |||||||||||||
5 |
19.5 |
E |
IEU |
NC50 |
127 |
9.19 |
130.2 |
168.3 |
95.3 |
177.8 |
254 |
153.99 |
31.79 |
5 |
19.5 |
X |
IEU |
NC50 |
127 |
9.19 |
130.2 |
168.3 |
88.9 |
177.8 |
254 |
153.99 |
32.58 |
5 |
19.5 |
G |
IEU |
NC50 |
127 |
9.19 |
130.2 |
168.3 |
82.6 |
177.8 |
254 |
153.99 |
32.95 |
5 |
19.5 |
S |
IEU |
NC50 |
127 |
9.19 |
130.2 |
168.3 |
69.9 |
177.8 |
254 |
153.99 |
33.6 |
5 |
19.5 |
E |
IEU |
5-1/2FH |
127 |
9.19 |
130.2 |
177.8 |
95.3 |
203.2 |
254 |
170.66 |
33.22 |
5 |
19.5 |
X,G |
IEU |
5-1/2FH |
127 |
9.19 |
130.2 |
177.8 |
95.3 |
203.2 |
254 |
170.66 |
33.61 |
5 |
19.5 |
S |
IEU |
5-1/2FH |
127 |
9.19 |
130.2 |
184.2 |
88.9 |
203.2 |
254 |
170.66 |
34.89 |
5 |
25.6 |
E |
IEU |
NC50 |
127 |
12.7 |
130.2 |
168.3 |
88.9 |
177.8 |
254 |
153.99 |
40.73 |
5 |
25.6 |
X |
IEU |
NC50 |
127 |
12.7 |
130.2 |
168.3 |
76.2 |
177.8 |
254 |
153.99 |
41.8 |
5 |
25.6 |
G |
IEU |
NC50 |
127 |
12.7 |
130.2 |
168.3 |
69.9 |
177.8 |
254 |
153.99 |
42.11 |
5 |
25.6 |
E |
IEU |
5-1/2FH |
127 |
12.7 |
130.2 |
177.8 |
88.9 |
203.2 |
254 |
170.66 |
42.14 |
5 |
25.6 |
X |
IEU |
5-1/2FH |
127 |
12.7 |
130.2 |
177.8 |
88.9 |
203.2 |
254 |
170.66 |
42.51 |
5 |
25.6 |
G |
IEU |
5-1/2FH |
127 |
12.7 |
130.2 |
184.2 |
88.9 |
203.2 |
254 |
170.66 |
43.35 |
5 |
25.6 |
S |
IEU |
5-1/2FH |
127 |
12.7 |
130.2 |
184.2 |
82.6 |
203.2 |
254 |
170.66 |
43.75 |
5-1/2 |
21.9 |
E |
IEU |
5-1/2FH |
139.7 |
9.17 |
144.5 |
177.8 |
101.6 |
203.2 |
254 |
170.66 |
35.43 |
5-1/2 |
21.9 |
X |
IEU |
5-1/2FH |
139.7 |
9.17 |
144.5 |
177.8 |
95.3 |
203.2 |
254 |
170.66 |
36.36 |
5-1/2 |
21.9 |
G |
IEU |
5-1/2FH |
139.7 |
9.17 |
144.5 |
184.2 |
88.9 |
203.2 |
254 |
170.66 |
37.61 |
5-1/2 |
21.9 |
S |
IEU |
5-1/2FH |
139.7 |
9.17 |
144.5 |
190.5 |
76.2 |
203.2 |
254 |
180.18 |
39.27 |
5-1/2 |
24.7 |
E |
IEU |
5-1/2FH |
139.7 |
10.54 |
144.5 |
177.8 |
101.6 |
203.2 |
254 |
170.66 |
39.19 |
5-1/2 |
24.7 |
X,G |
IEU |
5-1/2FH |
139.7 |
10.54 |
144.5 |
184.2 |
88.9 |
203.2 |
254 |
170.66 |
41.32 |
5-1/2 |
24.7 |
S |
IEU |
5-1/2FH |
139.7 |
10.54 |
144.5 |
190.5 |
76.2 |
203.2 |
254 |
170.66 |
42.97 |
6-5/8 |
25.2 |
E |
IEU |
6-5/8FH |
168.28 |
8.38 |
176.2 |
203.2 |
127 |
203.2 |
279.4 |
195.66 |
41.03 |
6-5/8 |
25.2 |
X |
IEU |
6-5/8FH |
168.28 |
8.38 |
176.2 |
203.2 |
127 |
203.2 |
279.4 |
195.66 |
41.03 |
6-5/8 |
25.2 |
G |
IEU |
6-5/8FH |
168.28 |
8.38 |
176.2 |
209.6 |
120.7 |
203.2 |
279.4 |
195.66 |
42.6 |
6-5/8 |
25.2 |
S |
IEU |
6-5/8FH |
168.28 |
8.38 |
176.2 |
215.9 |
108 |
203.2 |
279.4 |
195.66 |
44.73 |
6-5/8 |
27.7 |
E |
IEU |
6-5/8FH |
168.28 |
9.19 |
176.2 |
203.2 |
127 |
203.2 |
279.4 |
195.66 |
43.79 |
6-5/8 |
27.7 |
X,G |
IEU |
6-5/8FH |
168.28 |
9.19 |
176.2 |
209.6 |
12.7 |
203.2 |
279.4 |
195.66 |
45.35 |
6-5/8 |
27.7 |
S |
IEU |
6-5/8FH |
168.28 |
9.19 |
176.2 |
215.9 |
108 |
203.2 |
279.4 |
195.66 |
47.48 |
External upset(EU) | |||||||||||||
4 |
14 |
E |
EU |
NC46 |
101.6 |
8.38 |
114.3 |
152.4 |
82.6 |
177.8 |
254 |
145.26 |
23.67 |
4 |
14 |
X,G |
EU |
NC46 |
101.6 |
8.38 |
114.3 |
152.4 |
82.6 |
177.8 |
254 |
145.26 |
24.12 |
4 |
14 |
S |
EU |
NC46 |
101.6 |
8.38 |
114.3 |
152.4 |
76.2 |
177.8 |
254 |
145.26 |
24.46 |
4-1/2 |
13.75 |
E |
EU |
NC50 |
114.3 |
6.88 |
127 |
168.3 |
95.3 |
177.8 |
254 |
153.99 |
23.65 |
4-1/2 |
16.6 |
E |
EU |
NC50 |
114.3 |
8.56 |
127 |
168.3 |
95.3 |
177.8 |
254 |
153.99 |
27.51 |
4-1/2 |
16.6 |
X,G |
EU |
NC50 |
114.3 |
8.56 |
127 |
168.3 |
95.3 |
177.8 |
254 |
153.99 |
28.07 |
4-1/2 |
16.6 |
S |
EU |
NC50 |
114.3 |
8.56 |
127 |
168.3 |
88.9 |
177.8 |
254 |
153.99 |
28.47 |
4-1/2 |
20 |
E |
EU |
NC50 |
114.3 |
10.92 |
127 |
168.3 |
92.1 |
177.8 |
254 |
153.99 |
32.93 |
4-1/2 |
20 |
X,G |
EU |
NC50 |
114.3 |
10.92 |
127 |
168.3 |
88.9 |
177.8 |
254 |
153.99 |
33.63 |
4-1/2 |
20 |
S |
EU |
NC50 |
114.3 |
10.92 |
127 |
168.3 |
76.2 |
177.8 |
254 |
153.99 |
34.34 |
4-1/2 |
16.6 |
E |
IEU |
NC46 |
114.3 |
8.56 |
119.1 |
158.8 |
82.6 |
177.8 |
254 |
145.26 |
27.36 |
4-1/2 |
16.6 |
X,G |
IEU |
NC46 |
114.3 |
8.56 |
119.1 |
158.8 |
76.2 |
177.8 |
254 |
145.26 |
27.73 |
4-1/2 |
16.6 |
S |
IEU |
NC46 |
114.3 |
8.56 |
119.1 |
158.8 |
69.9 |
177.8 |
254 |
145.26 |
28.04 |
4-1/2 |
20 |
E |
IEU |
NC46 |
114.3 |
10.92 |
119.1 |
158.8 |
76.2 |
177.8 |
254 |
145.26 |
32.94 |
4-1/2 |
20 |
X |
IEU |
NC46 |
114.3 |
10.92 |
119.1 |
158.8 |
69.9 |
177.8 |
254 |
145.26 |
33.69 |
4-1/2 |
20 |
G |
IEU |
NC46 |
114.3 |
10.92 |
119.1 |
158.8 |
63.5 |
177.8 |
254 |
145.26 |
33.97 |
4-1/2 |
20 |
S |
IEU |
NC46 |
114.3 |
10.92 |
119.1 |
158.8 |
57.2 |
177.8 |
254 |
145.26 |
34.23 |
Internal upset (IU) | |||||||||||||
4 |
14 |
E |
IU |
NC40 |
101.6 |
8.38 |
106.4 |
133.4 |
71.4 |
177.8 |
254 |
127.4 |
22.42 |
4 |
14 |
X |
IU |
NC40 |
101.6 |
8.38 |
106.4 |
133.4 |
68.3 |
177.8 |
254 |
127.4 |
22.76 |
4 |
14 |
G |
IU |
NC40 |
101.6 |
8.38 |
106.4 |
139.7 |
61.9 |
177.8 |
254 |
127.4 |
23.61 |
4 |
14 |
S |
IU |
NC40 |
101.6 |
8.38 |
106.4 |
139.7 |
50.8 |
177.8 |
254 |
127.4 |
24.03 |
4-1/2 |
13.75 |
E |
IU |
NC46 |
114.3 |
6.88 |
119.1 |
152.4 |
85.7 |
177.8 |
254 |
145.26 |
22.5 |
2-3/8 |
6.65 |
E |
EU |
NC26 |
60.32 |
7.11 |
65.1 |
85.7 |
44.5 |
177.8 |
203.2 |
82.95 |
10.45 |
2-3/8 |
6.65 |
X,G |
EU |
NC26 |
60.32 |
7.11 |
65.1 |
85.7 |
44.5 |
177.8 |
203.2 |
82.95 |
10.58 |
2-7/8 |
10.4 |
E |
EU |
NC31 |
73.02 |
9.19 |
81 |
104.8 |
54 |
177.8 |
228.6 |
100.41 |
16.25 |
2-7/8 |
10.4 |
X,G |
EU |
NC31 |
73.02 |
9.19 |
81 |
104.8 |
50.8 |
177.8 |
228.6 |
100.41 |
16.5 |
2-7/8 |
10.4 |
S |
EU |
NC31 |
73.02 |
9.19 |
81 |
111.1 |
41.3 |
177.8 |
228.6 |
100.41 |
17.19 |
3-1/2 |
9.5 |
E |
EU |
NC38 |
88.9 |
6.45 |
98.4 |
120.7 |
68.3 |
203.2 |
266.7 |
116.28 |
15.77 |
3-1/2 |
13.3 |
E |
EU |
NC38 |
88.9 |
9.35 |
98.4 |
120.7 |
68.3 |
203.2 |
266.7 |
116.28 |
20.77 |
3-1/2 |
13.3 |
X |
EU |
NC38 |
88.9 |
9.35 |
98.4 |
127 |
65.1 |
203.2 |
266.7 |
116.28 |
21.76 |
3-1/2 |
13.3 |
G |
EU |
NC38 |
88.9 |
9.35 |
98.4 |
127 |
61.9 |
203.2 |
266.7 |
116.28 |
21.9 |
3-1/2 |
13.3 |
S |
EU |
NC38 |
88.9 |
9.35 |
98.4 |
127 |
54 |
203.2 |
266.7 |
116.28 |
22.22 |
3-1/2 |
15.5 |
E |
EU |
NC38 |
88.9 |
11.4 |
98.4 |
127 |
65.1 |
203.2 |
266.7 |
116.28 |
24.67 |
3-1/2 |
15.5 |
X |
EU |
NC38 |
88.9 |
11.4 |
98.4 |
127 |
61.9 |
203.2 |
266.7 |
116.28 |
25.07 |
3-1/2 |
15.5 |
G |
EU |
NC38 |
88.9 |
11.4 |
98.4 |
127 |
54 |
203.2 |
266.7 |
116.28 |
25.38 |
3-1/2 |
15.5 |
S |
EU |
NC40 |
88.9 |
11.4 |
98.4 |
139.7 |
57.2 |
203.2 |
266.7 |
127.4 |
26.19 |
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