Rolling cutter assembled directly to the bit pockets
作者： Yuri Burhan , Scott D. McDonough , Yuelin Shen , Mahavir Nagaraj , Michael A. Siracki
DOI:
关键词:
摘要: A drill bit having a body, plurality of blades extending radially from the cutter pockets disposed on blades, at least one rolling in pockets, wherein each has substrate, cutting face, edge, and side surface, blocker positioned adjacent to cutters leading face blade, retention end an attachment is disclosed. The portion retain pocket attached blade.
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