Roller Reamer
Vigor's Roller Reamers are designed for reaming and stabilization in any type of formation. All parts of the tools are made of special alloy steel and heat-treated to meet the required hardness. Drilling crews can easily assemble our reamers in the field without using any special tools.
Vigor offer three types of cutters for different types of formation.
Roller Types:
S Type:
Machining, Tiny-teeth, Milling the wall, it is used to drill the Soft formation.

M Type:
Machining, Wide flat teeth, Crush the wall, it is used for Medium formation.

H Type:
Carbon tungsten alloy block in roller, it is used for Hard formation.

When ordering please specify:
-Hole size
-String type or near bit type
-Drill collar size
-Top and bottom connection
-Cutter types

Technical Specifications and Parameters:
| Hole size(in) | OD(mm) | ID(mm) | Connection |
| 6 1/8 | 155 | 31.7 | NC38 |
| 7 7/8 | 200 | 38 | NC46 |
| 8 3/8 | 212 | 44 | NC50 |
| 8 1/2 | 215 | 44 | NC50 |
| 9 5/8 | 244 | 57 | NC50 |
| 12 1/2 | 311 | 71 | 6 5/8REG |
| 17 1/2 | 444 | 76 | 7 5/8REG |
| 22 | 558 | 76 | 7 5/8REG |
| 26 | 660 | 76 | 7 5/8REG |
| 28 | 711 | 76 | 7 5/8REG |
| 36 | 914 | 76 | 7 5/8REG |





