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| Product Name: |
Concentric overburden drill bit with blocks
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| Supply Ability: |
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| Related proudcts |
drilling tools, down hole bit, casing system, |
| Specifications |
Concentric overburden drill bit with blocks |
| Price Term: |
FOB |
| Port of loading: |
Shanghai |
| Minimum Order |
1 |
| Unit Price: |
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applied to the drilling where rock formation is overburden
and need casing tube to support
Certificate: ISO9001:2008,SONCAP
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures.
Design Principles
Make the casing follow easy and the equipment and operation simple
Outstanding Advantages
1.The stable and reliable working performance and the less vibration of drill rig.
2.Flexible to open and close.
Operation Procedure
1.when the drilling starts, the blocks slides down through the grooves on pilot bit,and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, raise the drilling tools and the blocks will get closed through the grooves , and the drilling tools can be pulled out from the hole.
3. Next construction can be followed. |
| Company: |
Changsha Tianhe Drilling Tools and Machinery Co.,Ltd
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| Contact: |
Ms. yingying Shi |
| Address: |
Room2301,Gongxiao Building,Wuyi Road,Changsha,Hunan,China |
| Postcode: |
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| Tel: |
86-731-84456185 |
| Fax: |
86-731-84456185 |
| E-mail: |
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