Spiral-blade downhole junk mill (SBDJM)
The special spiral junk mill is designed for casing window reaming, milling cement bridges, fracture (frac) ports, casing accessories, and other downhole debris within the internal cross-section of oil, gas, and geological exploration wells during workover and remediation operations.
Characteristics:
Designation
SBDJM-102
SBDJM-107
SBDJM-112
SBDJM-121
SBDJM-123
SBDJM-124
SBDJM-125
SBDJM-126
SBDJM-132
SBDJM-138
SBDJM-144
SBDJM-145
SBDJM-146
SBDJM-153
SBDJM-155
SBDJM-156
SBDJM-162
SBDJM-186
SBDJM-213
SBDJM-216
OD, mm
102
107
112
121
123
124
125
126
132
138
144
145
146
153
155
156
162
186
213
216
Length, mm
430
430
430
450
450
450
450
450
450
450
500
500
500
500
500
500
550
550
600
600
Thickness of working surface, mm
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
25
Axial load, kN
10...20
10...20
10...20
10...20
10...20
10...20
10...20
10...20
10...20
10...20
22...48
22...48
22...48
22...48
22...48
22...48
22...48
22...48
22...48
22...48
Thread*
Z-65
Z-73
Z-73
Z-76
Z-76
Z-76
Z-76
Z-86
Z-86
Z-86
Z-102
Z-102
Z-102
Z-102
Z-102
Z-102
Z-102
Z-117
Z-133
Z-133
