ODEX ECCENTRIC CASING SYSTEM
In the projects of drilling,drillers often meet with problems due to the loose land formation.These may cause troubles such as difficulty in drilling down,collapse of holes,damage of drilling tools,etc.To solve the problems,the best way is to use (ODEX)Overburden Drilling System which can prevent holes and drilling tools from damage,and support the holes by casing tubes.
General Introduction
HOD90 HOD115 HOD140 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
Model |
Outer Dia. of Casing Tube(mm) |
Inner Dia. of Casing Tube(mm) |
Wall thickness of casing(mm) |
Reamed Dia.(mm) |
Min. Inner Dia.of Casing Shoe(mm) |
Hammer Type(mm) |
Drill Pipes(mm) |
140 |
168 |
148 |
10 |
180 |
138 |
COP44/DHD340/MACH44/MISSION40/ SD4/XL4/QL40 |
76/89 |
146 |
178 |
158 |
10 |
192 |
148 |
COP54/DHD350/MACH50/MISSION50/ SD5/QL50 |
76/89 |
165 |
194 |
173 |
10.5 |
205 |
161.5 |
COP62/COP64/DHD360/MISSION60/SD6/XL6/QL60/TD150 |
89/114 |
190 |
219 |
197 |
11 |
238 |
187 |
89/114 |
240 |
273 |
253 |
10 |
305 |
241 |
COP84/DHD380/SD8/QL80 |
114/127 |
280 |
325 |
305 |
10 |
350 |
282 |
DHD112/QL120/SD12/NUMA120/TH12 |
114/127 |
365 |
406 |
382 |
12 |
425 |
365 |
127/168 |
410 |
457 |
433 |
12 |
480 |
409 |
168 |
460 |
508 |
483 |
12.5 |
530 |
459 |
168 |
500 |
560 |
535 |
12.5 |
620 |
501 |
168 |