WING-type I Symmetric Overburden Drilling System
Product Description
SOLLROC Wing type overburden casing system is for sumiltaneously drilling and casing outer diameter 6 5/8" inch (168.3mm) to 16 inch (406mm).
Features:
The wing extend out further than casing pipe diameter to achieve reaming diameter as large as possible.
Rapid penetration and minimum drilling time
Wear-resistance and longevity.
| Casing tube OD | Number of Wing | Extend diameter | Casing shoe inner Dia. | fit shank of hammer | |||
| Inch | mm | inch | mm | inch | mm | ||
| 6.626 | 168.3 | 2 | 7.283 | 185 | 5.591 | 142 | DHD350/M50/SD5/QL50 |
| 7 | 177.8 | 2 | 7.677 | 195 | 5.827 | 148 | DHD350/M50/SD5/QL50 |
| 7.626 | 193.7 | 3 | 8.228 | 209 | 6.575 | 167 | DHD360/M60/SD6/QL60 |
| 8.626 | 219.1 | 3 | 9.331 | 237 | 7.559 | 192 | DHD360/M60/SD6/QL60 |
| 9.646 | 245 | 3 | 10.394 | 264 | 8.268 | 210 | DHD380/M80/SD8/QL80 |
| 10.748 | 273 | 3 | 12.126 | 308 | 9.526 | 242 | DHD380/M80/SD8/QL80 |
| 12.752 | 323.9 | 3 | 14.094 | 358 | 11.102 | 282 | SD10/NUMA100 |
| 15.984 | 406 | 3 | 16.772 | 426 | 14.173 | 360 | SD12/NUMA120/NUMA125 |