发明授权
- 专利标题: Hammer drill
- 专利标题(中): 锤钻
-
申请号: US13848839申请日: 2013-03-22
-
公开(公告)号: US09488010B2公开(公告)日: 2016-11-08
- 发明人: Gunther H-H von Gynz-Rekowski , Michael V. Williams , William C. Herben
- 申请人: Ashmin, LC
- 申请人地址: US TX Conroe
- 专利权人: Ashmin, LC
- 当前专利权人: Ashmin, LC
- 当前专利权人地址: US TX Conroe
- 代理机构: Jones Walker, LLP
- 主分类号: E21B4/10
- IPC分类号: E21B4/10 ; E21B10/36
摘要:
A downhole apparatus connected to a workstring within a wellbore. The workstring is connected to a bit member. The apparatus includes a mandrel operatively connected to a downhole motor mechanism, an anvil member operatively formed on the bit member, the anvil member being operatively connected to the mandrel, a radial bearing housing unit operatively connected to the workstring, with the radial bearing housing unit being disposed about the mandrel, and a hammer member slidably attached to the radial bearing housing unit.
公开/授权文献
- US20130264119A1 Hammer Drill 公开/授权日:2013-10-10
信息查询