Model | Casing Max. OD | Casing Max. ID | Min. inner dia. Of casing shoe | Reaming Dia. | Hammer shank |
ODEX90 | 115 | 102 | 90 | 123 | DHD3.5/COP32/QL30 |
ODEX115 | 142 | 128 | 115 | 152 | DHD340/COP44/SD4/QL40/M40 |
ODEX140 | 171 | 157 | 140 | 187 | DHD350R/COP54/SD5/QL50/M50 |
ODEX165 | 196 | 183 | 165 | 211 | DHD360/COP64/SD6/QL60/M60 |
ODEX190 | 222 | 205 | 190 | 237 | DHD360/COP64/SD6/QL60/M60 |
ODEX240 | 273 | 261 | 240 | 308 | DHD380/COP84/SD8/QL80/M80 |
ODEX280 | 324 | 305 | 280 | 378 | SD10/NUMA100 |
Futures:
- Rapid removal of cuttings; High penetration rate, especially in resistant rock formation;
- Easy soil and groundwater sampling during drilling;
- Possible to measure yield estimate at selected depth in the formation;
- Advantageous in unconsolidated formations with a high risk of caving