ND35A eccentric casing 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.
ND35A eccentric casing 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 |
|---|---|---|---|---|---|---|
| 108 | 108 | 92 | 84 | 86 | 118 | 3 |
| 114 | 114 | 100 | 92 | 94 | 124 | 3 |
| 127 | 127 | 110 | 100 | 102 | 136 | 3~4 |
| 146 | 146 | 124 | 115 | 117 | 156 | 4 |
| 168 | 168 | 146 | 134 | 138 | 178 | 5 |
| 178 | 178 | 156 | 144 | 148 | 193 | 5 |
| 183 | 183 | 160 | 144 | 152 | 193 | 5 |
| 194 | 194 | 178 | 165 | 167 | 208 | 6 |
| 219 | 219 | 203 | 189 | 193 | 237 | 6~7 |
| 245 | 245 | 220 | 206 | 210 | 260 | 6~8 |
| 273 | 273 | 256 | 238 | 242 | 308 | 8 |
| 325 | 325 | 297 | 280 | 285 | 355 | 8~10 |
| 377 | 377 | 351 | 328 | 333 | 420 | 10~12 |