The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Feb. 10, 2004

Filed:

Nov. 08, 2001
Applicant:
Inventors:

Helmut Floerke, Celle, DE;

Detlef Ragnitz, Dassel-Markoldendorf, DE;

Johannes Witte, Braunschweig, DE;

Assignee:

Baker Hughes Incorporated, Houston, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E21B 1/702 ;
U.S. Cl.
CPC ...
E21B 1/702 ;
Abstract

An apparatus is provided for conveying electrical power and data signals between a first location and a second location in a well borehole. The apparatus comprises a first drill pipe disposed at the first location, and a second drill pipe disposed at the second location. A second end of the second drill pipe is coupled to a first end of the first drill pipe. A first plurality of conductive pathways such as insulated wires extend longitudinally through at least a portion of the first drill pipe and terminate at the first end. A second plurality of conductive pathways extend longitudinally through at least a portion of the second drill pipe and terminate at the second end. A verification device is operatively associated with the first and second pluralities of conductive pathways for verifying electrical continuity between the first and second pluralities of conductive pathways.


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