Skirted Mill

The skirted mill is designed for centering and subsequent milling of stuck or jammed tubing, drill pipe, and other downhole obstructions in oil, gas, and geological exploration wells. The mill is manufactured from high-strength alloy tubing steel. The tool assembly consists of two connected units: a bowl and a junk mill (JM). The cutting face features a cutting-abrasive matrix composed of crushed tungsten carbide particles embedded in a nickel-containing brass binder. The upper end features a standard threaded connection for integration into the drill string. Drilling fluid circulates through ports in the cutting face, providing effective cooling and efficient removal of cuttings.

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Characteristics:

Designation

SkM-85/65

SkM-102/80

SkM-114/91

SkM-115/89

SkM-117/95

SkM-118/89

SkM-121/99

SkM-122/94

SkM-124/100

SkM-127/100

SkM-128/104

SkM-133/100

SkM-136/102

SkM-140/105

SkM-140/118

SkM-143/118

SkM-152/129

SkM-167/133

SkM-203/176

SkM-206/176

SkM-270/171

SkM-285/249

OD, mm

102

114

115

117

118

120

122

124

127

128

133

136

140

143

152

167

203

206

270

285

ID, mm

100

104

100

102

105

118

129

133

176

171

249

Thickness of working surface, mm

Length, mm, max

300

400

450

500

Rotary speed, rpm, max

150

100

Axial load, kN

5...20

Thread*

Z-65

Z-76

Z-86

Z-102

Z-133

Z-147

Documentation:

tom_1_24

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Certificates:

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Skirted Mill

Characteristics:

Documentation:

Certificates:

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