Products
API 7-1 drilling Roller Reamer with Type B & Type F & Type T roller
Product Application
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.
Product type
Three different types (T,F and B) of cutters are offered:
Type T: Milled, machined with hard faced sharp teeth for soft formations.
Type F: Milled, machined with hard faced 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) |
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