


CIR110 casing drilling system
Share the required size, equipment and drilling conditions with your enquiry.
Product appearance and specifications are confirmed with your quotation.
Technical reference
Original manufacturer reference. Confirm the selected model and configuration before ordering.
CIR110 casing drilling system specifications
| Model | Casing Tube O.D. | Maximum O.D. of Guide Device | Bit Diameter | Casing Shoe I.D. | Maximum Reaming O.D. | Hammer Style |
|---|---|---|---|---|---|---|
| 146 Overburden Wing Bit | 146 | 123 | 115 | — | 156 | 4 |
| 168 Overburden Wing Bit | 168 | 146 | 136 | — | 184 | 5 |
| 178 Overburden Wing Bit | 178 | 156 | 142 | — | 193 | 5 |
| 183 Overburden Wing Bit | 183 | 160 | 146 | — | 198 | 5 |
| 194 Overburden Wing Bit | 194 | 178 | 162 | — | 208 | 6 |
| 219 Overburden Wing Bit | 219 | 203 | 180 | — | 234 | 6~7 |
| 245 Overburden Wing Bit | 245 | 220 | 202 | — | 260 | 6~8 |
| 273 Overburden Wing Bit | 273 | 251 | 237 | — | 300 | 8 |
| 325 Overburden Wing Bit | 325 | 298 | 280 | — | 355 | 8~10 |
| 377 Overburden Wing Bit | 377 | 350 | 330 | — | 407 | 10~12 |
