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 for hardness. Drilling crews can easily replace any part in the field without the use of special tools.
TIANHE offers three types of cutters for different type of formation.
When ordering please specify:
● Hole size;
● String type or near bit type;
● Drill collar size;
● Top and bottom connection;
● Cutter types.
Specifications - Roller Reamer
Model | O.D(mm) | I.D.(mm) | connection | Hole size(in) |
WG155 | 155 | 31.7 | NC38 | 6 1/8 |
WG200 | 200 | 38 | NC46 | 7 7/8 |
WG212 | 212 | 44 | NC50 | 8 3/8 |
WG215 | 215 | 44 | NC50 | 8 1/2 |
WG244 | 244 | 57 | NC50 | 9 5/8 |
WG311 | 311 | 71 | 6 5/8REG | 12 1/4 |
WG444 | 444 | 76 | 7 5/8REG | 17 1/2 |
WG558 | 558 | 76 | 7 5/8REG | 22 |
WG660 | 660 | 76 | 7 5/8REG | 26 |
WG711 | 711 | 76 | 7 5/8REG | 28 |
WG914 | 914 | 76 | 7 5/8REG | 36 |
