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公开(公告)号:US07398837B2
公开(公告)日:2008-07-15
申请号:US11277394
申请日:2006-03-24
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.
摘要翻译: 在本发明的一些方面,钻头组件具有在柄部分和工作部分之间的主体部分。 工作部分具有至少一个切割元件。 在一些实施例中,钻头组件具有轴,其端部与组件的中心轴基本上同轴。 轴的端部基本上从工作部分突出,并且至少一个井下测井装置设置在轴内或与轴连通。