Roller Reamer
The Roller Reamer is designed for various reaming operation but particularly for stabilization purposes when drilling in very abrasive formations. It will fit hole sizes ranging from 4 5/8 to 26inch.In addition, each body by simple adjustment of blocks and proper selection of cutters, will suit a wide range of hole sizes.
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Overview
When ordering or requesting quotation, if size other than below specifications, please specify clearly! Please feel free to contact us for more details and more products.
Three different types (T,F and B) of cutters are offered:
Type T: Milled, machined with hardfaced sharp teeth for soft formations.
Type F: Milled, machined with hardfaced flat teeth, for medium hard formations.
Type B: Equipped with pressed-in tungsten carbide buttons, for hard formations.
Technical parameter
| Hole Size (inch/mm) | Connection. API | Neck OD (inch/mm) | Cutter Diameter (inch/mm) | Cutter Length (inch/mm) | Overall Length (inch/mm) |
| 28" (711.2) | 7 5/8 REG | 9 1/2" (241.3) | 7" (178) | 15 3/4" (400) | 112 7/8" (2867) |
| 26" (660.4) | 7 5/8 REG | 9 1/2" (241.3) | 7" (178) | 15 3/4" (400) | 118 7/64" (3000) |
| 24" (609.6) | 7 5/8 REG | 9 1/2" (241.3) | 6 7/32" (158) | 15 3/4" (400) | 110 15/64" (2800) |
| 22" (558.8) | 7 5/8 REG | 9 1/2" (241.3) | 6 7/32" (158) | 15 3/4" (400) | 105" (2667) |
| 17 1/2" (444.5) | 7 5/8 REG | 9" (229) | 5 1/2" (140) | 12" (304) | 88 39/64" (2200) |
| 12 1/4" (331.2) | 6 5/8 REG | 8" (203) | 3 15/16" (100) | 11 13/16" (300) | 74 13/16" (1900) |
| 8 1/2" (215.9) | NC50 (4 1/2 REG) | 6 1/2" (165) | 2 13/16" (71) | 7 7/8" (200) | 68 7/64" (1730) |
| 6" (152.4) | NC38 (3 1/2 REG) | 4 3/4" (121) | 2" (50.6) | 7 7/8" (200) | 55 1/8" (1400) |
| 5 7/8" (149.2) | NC38 (3 1/2 REG) | 4 3/4" (121) | 1 13/16" (46.2) | 7 7/8" (200) | 55 1/8" (1400) |
