F-shaped downhole junk mill (DJM-F)
The F-shaped downhole junk mill is designed to mill metal debris, cement plugs, and cemented obstructions in the wellbore during workover and intervention operations in oil, gas, and exploration wells.
Characteristics:
Designation
DJM-F-83
DJM-F-85
DJM-F-95
DJM-F-116
DJM-F-118
DJM-F-120
DJM-F-124
DJM-F-140
External diameter, mm
83
85
95
116
118
120
124
140
Length, mm
265
265
265
295
295
295
295
295
Number of watercourses
2
2
2
2
2
2
2
2
Thickness of the working surface, mm
20
20
20
20
20
20
20
20
Rotation frequency,no more, rpm
175
175
175
150
150
150
150
125
Axial load, kN
10...20
10...20
10...22
10...22
10...22
10...22
10...22
22...48
Thread*
Z-65
Z-65
Z-65
Z-86
Z-86
Z-86
Z-86
Z-86
Mass, kg
6,3
6,5
8,1
22,5
22,7
23,1
23,9
31,8