Downhole Washover Mill (DWM)

The Downhole Washover Mill is designed for milling stuck or jammed tubing and drill pipes in oil, gas, and geological exploration wells. The washover shoe is manufactured from high-strength alloy pipe steel. The tool is an integrated assembly consisting of two interconnected components: a washover mill (WM) and a junk mill (JM). Both the annular cutting surfaces and the end face are equipped with a cutting-abrasive soldering composed of crushed tungsten carbide particles embedded in a nickel-containing brass matrix. 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

DWM-85/65

DWM-102/80

DWM-114/91

DWM-115/89

DWM-117/95

DWM-118/89

DWM-121/99

DWM-122/94

DWM-124/100

DWM-127/100

DWM-128/104

DWM-133/100

DWM-136/102

DWM-140/105

DWM-140/118

DWM-143/118

DWM-152/129

DWM-167/133

DWM-203/176

DWM-206/176

DWM-270/171

DWM-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

800

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:

Том 1 - 24

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Certificates:

images/docx/uyuy.jpg Downhole Washover Mill (DWM)

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Downhole Washover Mill (DWM)

Characteristics:

Documentation:

Certificates:

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