Patent · US Active

Drill bit assembly with a logging device

US7398837B2 · kind B2 · utility

75Cited by

57References

34Claims

0Family size

Inventors

David R. Hall · Provo, US
Francis Leany · Salem, US
Christopher Durrand · Provo, US
Paula Turner · Pleasant Grove, US

Key dates

Filing date	Mar 24, 2006
Grant date	Jul 15, 2008
Priority date	—
Expiry date	Jan 9, 2027

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B47/013
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.