发明申请
US20070062736A1 Hybrid disc bit with optimized PDC cutter placement 有权
具有优化的PDC刀具放置的混合盘片钻头

Hybrid disc bit with optimized PDC cutter placement
摘要:
The invention provides an improved drill bit and a method for designing thereof. The drill bit includes a bit body, a journal depending from the bit body, and a disc rotatably mounted on the journal. The disc of the drill bit has PDC cutting elements disposed on it. Also provided is an improved cutting structure for the discs of the drill bit. The cutting structure includes a portion that is comprised from PDC.
公开/授权文献
信息查询
0/0