发明授权
- 专利标题： Drill bit assembly with a logging device
- 专利标题（中）： 钻头组装与测井设备
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申请号： US11277394申请日： 2006-03-24
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公开(公告)号： US07398837B2公开(公告)日： 2008-07-15
- 发明人: David R. Hall , Francis Leany , Christopher J. Durrand , Paula Turner
- 申请人： David R. Hall , Francis Leany , Christopher J. Durrand , Paula Turner
- 代理商 Tyson J. Wilde; Paul M. Schramm
- 主分类号： E21B47/00
- IPC分类号： E21B47/00 ; E21B49/00
摘要：
In some aspects of the present invention, a drill bit assembly has a body portion intermediate a shank portion and a working portion. The working portion has at least one cutting element. In some embodiments, the drill bit assembly has a shaft with an end substantially coaxial to a central axis of the assembly. The end of the shaft substantially protrudes from the working portion, and at least one downhole logging device is disposed within or in communication with the shaft.
公开/授权文献
- US20070114062A1 Drill Bit Assembly with a Logging Device 公开/授权日：2007-05-24
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