Concentric Casing System with Wings

Concentric Casing System with Wings
Concentric Casing System with Wings
Concentric Casing System with Wings
Concentric Casing System with Wings
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Overburden drilling system

Concentric Casing System with Wings - Elevating Drilling Efficiency

Our concentric casing system with wings boasts a unique design that enables downward pressure and clockwise rotation at the start of rock chipping. This initiates the rotation of the winged expansion block along the rotational axis, facilitating casing advancement while expanding the hole. This cutting-edge system ensures synchronized drilling and casing operations, making it an ideal choice for geothermal wells, water wells, small-to-medium-sized grouting holes, micro-piling, and more.

Specifications
Model Outer diameter (mm) Inner diameter (mm) Reamed diameter (mm) Inner diameter of casing shoe (mm) Number of wing Hammer type Drill pipe (mm)
WOD168
168 148 180 138 2 5 inch hammer 76/89
WOD178
178 158 190 148 2 5 inch hammer 76/89
WOD183
183 163 195 152 2 5 inch hammer 76/89
WOD194
194 174 210 160 2 6 inch hammer 89/114
WOD219
219 199 237 187 2 6 inch hammer 89/114
WOD245
245 225 265 211 2 8 inch hammer 114
WOD273
273 253 308 236 2 8 inch hammer 114/127
WOD323
323 303 360 282 3 10 inch hammer 114/127
WOD406
406 387 432 365 3 12 inch hammer 127/140
WOD508
508 483 530 460 3 14 inch hammer 127/140
WOD610
610 584 635 560 3 18 inch hammer 140
Features
  • Enhanced Durability: We employ strengthened surface treatment on our components, ensuring prolonged tool lifespan and exceptional wear resistance.
  • Easy Maintenance: Our product is designed for effortless disassembly, allowing convenient replacement of the winged expansion blocks.
  • Rapid and Stable Drilling: The drilling speed of our system is accelerated, while maintaining stability and minimizing the risk of jamming.
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