China Gold Supplier for Reverse Circulation Drill Bit - Eccentric casing system /ODEX system – Spark
China Gold Supplier for Reverse Circulation Drill Bit - Eccentric casing system /ODEX system – Spark Detail:
Structure of Eccentric casing system /ODEX system
Structure features
The structure of the reamer is improved from figure(a) to figure(b), which strength the wearing resistance on the back, and extend the the service life of the whole reamer.
Working procedure
Step1: When drilling starts, the system drives the casing shoe and casing tube move down.
Step2: When reaching the bedrock, lift up the block system, the blocks will closed, reverse rotation and pull out the block system from the hole.
Step3: If the hole have reach the desired depth, finish the drilling and continue other process.
Step4: If you still want to drill deeper, use the conventional DTH bit to drill to the desired depth.
Applications
Water well drilling
Eccentric system is the main drilling tool in water well projects, which can keep drilling the hole and protecting it from caing at the same time, and it can significantly reduce the drilling time when drilling through the overburden.
Micro piling
In soil, clay and sand rock formation, eccentric system is the most economic and fastest in protecting the hole from collapsing with permanent temporary casing tubes.
Anchoring
Eccentric system can meet the requirements of anchoring projects better when reinforcing the slope.
Connection with other products
|
D |
h |
H |
C |
G |
|||||
|
Model |
Out Dia. of Casing (mm) |
Inner Dia. of Casing (mm) |
Wall thickness of casing (mm) |
Guide device max. diameter (mm) |
Reamed Dia. (mm) |
Min. Inner Dia. of Casing Shoe (mm) |
Max. Outer Dia. of Normal Bit (mm) |
Hammer Type |
Weight (KG) |
|
ODEX84 |
108 |
94 |
7 |
92 |
117 |
86 |
84 |
COP34/DHD3.5 |
11.0 |
|
ODEX90 |
114 |
101 |
6.5 |
99 |
125 |
92 |
90 |
12.5 |
|
|
ODEX98 |
127 |
109 |
9 |
107 |
138 |
100 |
98 |
COP44/DHD340/SD4/QL40 |
18 |
|
ODEX115 |
146 |
126 |
10 |
123.5 |
155 |
117 |
115 |
22 |
|
|
ODEX136 |
168 |
148 |
10 |
146 |
180 |
138 |
136 |
COP54/DHD350/M50/SD5/QL50 |
38 |
|
ODEX146 |
178 |
158 |
10 |
156 |
192 |
147 |
145 |
42 |
|
|
ODEX152 |
183 |
163 |
10 |
161 |
196 |
153 |
151 |
COP54/DHD350/M50/SD5/QL50 |
48 |
|
COP64/DHD360/M60/SD6/QL60 |
56 |
||||||||
|
ODEX160 |
194 |
174 |
10 |
172 |
206 |
162 |
160 |
COP64/DHD360/M60/SD6/QL60 |
62 |
|
ODEX185 |
219 |
199 |
10 |
196 |
234 |
187 |
185 |
84 |
|
|
ODEX208 |
244 |
224 |
10 |
222 |
263 |
210 |
208 |
DHD380/COP84/SD8/QL80 |
122 |
|
ODEX240 |
273 |
253 |
10 |
251 |
305 |
241 |
240 |
136 |
|
|
ODEX280 |
325 |
300 |
12.5 |
298 |
350 |
282 |
280 |
DHD112 |
184 |
Other specification are available upon customers demand.
Product detail pictures:
Related Product Guide:
Sticking for the perception of Creating products of top quality and producing friends with people today from all around the world, we constantly place the desire of shoppers to start with for China Gold Supplier for Reverse Circulation Drill Bit - Eccentric casing system /ODEX system – Spark , The product will supply to all over the world, such as: Cologne, Johor, Angola, Our company always concentrate on the development of the international market. We've got a lot of customers in Russia , European countries, the USA, the Middle East countries and Africa countries. We always follow that quality is foundation while service is guarantee to meet all customers.
By Belle from Miami - 2017.08.16 13:39
Although we are a small company, we are also respected. Reliable quality, sincere service and good credit, we are honored to be able to work with you!
By Judith from Greenland - 2017.12.19 11:10
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