Unstable Rock Formation ODEX 115 Eccentric Overburden Drilling System
General Introduction |
ODEX90 ODEX115 ODEX 140 Overburden casing system,ODEX system, Casing drilling system,eccentric casing system
1. drill in overburden unstable rock
2. one step to drill and follow casing
3. flexible to open or close
4. effecient below 300mm
Design Principles:
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
Simple structure,simple operation,reliable quality,retrievable drilling tools,long service life.
Raw Material |
Steel:
first class special alloy steel with high strength, heat resistance and wearable
Carbide
The best tungsten carbides from China are commonly applied.
Tungsten carbide from European is also available.
Specification |
Model | Casing Max OD | Casing Min ID | Min ID of Casing Shoe | Reaming Dia | Hammer type |
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 |
Quality Warranty |
Our company response for any quality problem caused by material or machining defect.
Application |
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.
1. Geothermal well drilling
2. short mircopiles
3. medium mini-type grouting hole
4. retrievable drilling tools