Concentric Overburden Drilling System
Application Range:
The concentric overburden drilling system is widely used to drill in rock formations where ovals and fractures are present.
Design Principles:
The stable and reliable working performance and less vibration of the drill rig.
Different Structures:
Concentric system with ring bits, wing and blocks.
Other search items: concentric casing system
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Links：https://www.globefindpro.com/products/37670.html
Links：https://www.globefindpro.com/products/37670.html
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