Roller Reamer
Roller reamer, also called drilling reamer, is very useful tool for drilling operation, especially used for the function of stabilization in drilling of the abrasive formation. Our company provides roller reamer suitable for well holes range from 4-5/8" to 36".
Three types of rollers are available here for reamer body:
Type T: Narrow tooth is machined and surface hardened, which is used for cutting of hole wall, used for soft formation.
Type F: Wide flat tooth is machined and surface hardened, which is used for cutting and crushing of hole wall, used for medium hard formation.
Type B: The roller is cold inserted with tungsten carbide string and used for hard formation.
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Roller Reamer
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Type F Roller Reamer
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Type B Roller Reamer
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Reamer Type
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Hole Size
(in)
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Thread Type (API)
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OD (mm)
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ID (mm)
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Overall Length
(mm)
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Ends OD (mm)
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QWR155
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6-1/8
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3-1/2IF
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155
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31.7
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1,400
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121
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QWR206
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8-1/8
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4IF
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206
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38
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1,600
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159
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QWR212
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8-3/8
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4-1/2IF
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212.7
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44
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1,700
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165
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QWR215
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8-1/2
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4-1/2IF
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215.9
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44
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1,700
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165
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QWR244
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9-5/8
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NC50
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244
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57
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1,800
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178
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QWR311
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12-1/4
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6-5/8REG
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311.2
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71
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1,800
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210
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QWR444
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17-1/2
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7-5/8REG
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444.5
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76
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2,100
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241.3
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QWR660
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26
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7-5/8REG
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660.4
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76
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2,200
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241.3
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QWR762
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30
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7-5/8REG
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762
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76
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2,300
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241.3
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QWR812
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32
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7-5/8REG
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812
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76
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2,400
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241.3
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QWR914
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36
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7-5/8REG
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914
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76
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2,600
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241.3
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