PDC rib coring drill bits

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PDC rib coring drill bits
Posting date : Oct 26, 2010
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82-
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Name:PDC rib coring drill bits Type: Ordinary Strengthened High strength Feature: Based on regular core drill bits, thicken the crown part body, arrange teeth internal and external crosswise, add the quantity of glomerocryst gauge protection, enhance space between borehole and external wall of core barrel to protect the core barrel, the effect will be more obvious especially in deep well. It is a core drill bit drilling construction team prefers.

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