ODEX Eccentric & concentric drilling bit for overburden
ODEX Eccentric & concentric drilling bit for overburden
The whole set include three parts: Guide Device, Pilot Bit, Reamer
Characteristic
1.drill in overburden unstable rock
2.one step to drill and follow casing
3.flexible to open or close
4.effecient below 300mm
Structure of the eccentric (ODEX) casing system
Application Range
It is suitable for drilling water wells,geothermal wells, short mircopiles medium mini-type grouting hole of building, dam and harbour project.
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.
Specifications
|
A |
B |
C |
D |
E |
F |
|
Outer Dia. of Casing Tube |
Inner Dia. of Casing Tube |
Reamed Dia. |
Min. Inner Dia. of Casing Shoe |
Hammer Type |
Drill Pipes |
|
mm |
mm |
mm |
mm |
|
mm |
|
108 |
93-99 |
118 |
86 |
DHD3.5, COP32, COP34, BR3, MACH303 |
76 |
|
114 |
101-103 |
127 |
91 |
DHD3.5, COP32, COP34, BR3, MACH303 |
76 |
|
127 |
114-116 |
136 |
101 |
DHD3.5, COP32, COP34, BR3, MACH303 |
76 |
|
140 |
124-127 |
152 |
117 |
DHD340, COP44, MACH44, Mission40, SD4, QL40 |
76 |
|
146 |
127-132 |
154 |
117 |
DHD340, COP44, MACH44, Mission40, SD4, QL40 |
76 |
|
168 |
149-155 |
184 |
140 |
DHD350, COP54, MACH50, Mission50, SD5, QL50 |
76,89 |
|
178 |
159-165 |
194 |
150 |
DHD350, COP54, MACH50, Mission50, SD5, QL50 |
76,89 |
|
193 |
173-180 |
206 |
166 |
COP62, COP64, DHD360, Mission60, SD6, QL60, TD150 |
89,114 |
|
219 |
199-206 |
234 |
193 |
COP62, COP64, DHD360, Mission60, SD6, QL60, TD150 |
89,114 |
|
245 |
224-231 |
260 |
210 |
COP84, DHD380, SD8, QL80, TS180 |
114 |
|
273 |
251-257 |
300 |
241 |
COP84, DHD380, SD8, QL80, TS180 |
114,127 |
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