Technical Parameter
| drill pipe diameter |
joint thread |
steel grade |
length |
| inch |
mm |
|
|
|
| 2 3/8 |
60 |
API 2 3/8 REG |
DZ50,R780,G105 |
1m,3m,4.2m,6m |
| 2 7/8 |
73 |
API 2 3/8 REG |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| 3 1/2 |
89 |
API 2 3/8IF |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| 4 1/2 |
114 |
API 3 1/2REG |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| 5 |
127 |
API 3 1/2REG |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| 5 1/2 |
139.7 |
API 4 1/2REG or 4''IF |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| 6 5/8 |
168 |
API 4 1/2REG or 4''IF |
DZ50,R780,G105,S135 |
1m,3m,4.2m,6m |
| Drill pipe joint code |
Drill Pipe |
Drill Pipe Joints(mm) |
| Spec. |
Steel Grade |
OD |
ID of Pin Tap |
Tong Space
of Pan Tap |
Tong Space
of Box Tap |
| NC26 |
2 3/8'' |
DZ5O,R780 |
86 |
45 |
178 |
203 |
| 2 3/8'' |
G105 |
85.7 |
44.5 |
178 |
203 |
| NC31 |
2 7/8'' |
ZD5,R780 |
104.8 |
50.8 |
232 |
280 |
| 2 7/8'' |
G105 |
104.8 |
50.8 |
232 |
280 |
| NC38 |
3 1/2'' |
DZ50,R780 |
127 |
65.09 |
248 |
310 |
| 3 1/2'' |
G105 |
127 |
61.9 |
248 |
310 |
| NC46 |
4 1/2'' |
DZ50,R780 |
158.8 |
82.6 |
236 |
320 |
| 4 1/2'' |
G105 |
158.8 |
76.2 |
236 |
320 |
| NC50 |
4 1/2'' |
G105 |
168.3 |
86 |
236 |
320 |
| 5'' |
DZ50,R780 |
168.3 |
Ø89/82.6 |
236 |
320 |
| 5'' |
G105 |
168.3 |
82.6 |
236 |
320 |
Our Main Drilling Tool Products:
water well drill pipe
Oil well drill pipe
Tool joint
Casing pipe
button bits
|
