发明申请
- 专利标题: Hybrid disc bit with optimized PDC cutter placement
- 专利标题(中): 具有优化的PDC刀具放置的混合盘片钻头
-
申请号: US11232434申请日: 2005-09-21
-
公开(公告)号: US20070062736A1公开(公告)日: 2007-03-22
- 发明人: Peter Cariveau , Prabhakaran Centala , Zhehua Zhang
- 申请人: Peter Cariveau , Prabhakaran Centala , Zhehua Zhang
- 申请人地址: US TX Houston
- 专利权人: Smith International, Inc.
- 当前专利权人: Smith International, Inc.
- 当前专利权人地址: US TX Houston
- 主分类号: E21B10/00
- IPC分类号: E21B10/00
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
- US09574405B2 Hybrid disc bit with optimized PDC cutter placement 公开/授权日:2017-02-21
信息查询