MODEL XQ140/20 HYDRAULIC POWER TONG OPERATION MANUAL
YANCHENG TEDA DRILLING & PRODUCTION EQUIPMENT CO.,LTD
Table 5-4 Recommendation table of die seats and dies
Pipe string
type
O.D
mm(inch)
Die seat (stamp mark)
Dies (stamp mark on the
backside)
Backup tong Master tong
Backup
tong
Backup
tong
Oil tube
)
"
2
(
60
8
3
60
73
73-78
73-78
Oil tube
)
"
2
(
73
8
7
73
89
73-78
89-114
Oil tube
)
"
3
(
89
2
1
89
114
89-114
89-114
Oil tube
)
"
4
(
114
2
1
114
138-143
89-114
121-156
Oil tube
)
"
4
(
114
2
1
114
132
89-114
121-156
Oil tube
)
"
5
(
127
127
138-143
121-156
121-156
Oil tube
)
"
5
(
140
2
1
138-143
156
121-156
121-156
Drill pipe
"
2
8
7
( male)
105
(flat butt joint)
105
105
89-114
89-114
Drill pipe
"
3
2
1
( male)
121
(flat butt joint)
121
156
121-156
121-156
Note
：
Diameter refers to the outside diameter of tubing and casing, master tong clamps the
pipe body, and backup tong clamps the coupling in making-up and breaking-out operation.
Both master tong and backup tong clamp the drilling pipe joint. The outside diameter
of the drilling pipe refers to the outside diameter of the joint.
Use prolonged guide pole, select die seats and dies according to the actual diameter
of pipe body to be clamped when backup tong clamps the body of the pipe.
It is not suitable for the pipe string with surface hardness degree
≥
340HB.
Special die seat and dies can be custom-made.
Before operation, select the needed jaw plate, die seats and dies
according to Table 5-2, Table 5-3 .
