Patent · US Active

Downhole apparatus with a wireless data communication device between rotating and non-rotating members

US8567524B2 · kind B2 · utility

8Cited by

9References

18Claims

0Family size

Assignee

Baker Hughes Holdings LLC · US

Inventors

Michell Schimanski · Sulingen, DE
Michael Koppe · Erfurt, DE
Olof Hummes · Schwelm, DE

Key dates

Filing date	Feb 8, 2010
Grant date	Oct 29, 2013
Priority date	—
Expiry date	Apr 11, 2031

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B47/13
WIPO fieldCivil engineering
WIPO sectorOther fields

Abstract

A drilling assembly is disclosed that in one embodiment includes a bi-directional wireless data transfer device between a rotating and a non-rotating member of the drilling assembly. Power may be supplied to the rotating member via any suitable method, including an inductive device and direct electrical connections.

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