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.
Patent No.:
Date of Patent:
Sep. 16, 2014
Filed:
Apr. 27, 2010
Tore Hogset, Stavanger, NO;
Espen Alhaug, Stavanger, NO;
Tore Hogset, Stavanger, NO;
Espen Alhaug, Stavanger, NO;
Reelwell AS, , NO;
Abstract
The present invention relates to a system for transferring signals through a drill pipe system during drilling of a subsurface well. The drill pipe system comprises a first pipe () provided concentric inside a second pipe () by means of hanging devices (). The first pipe () is electrically insulated from the second pipe (). A first signal transceiver is electrically connected to the top of the drill pipe system. A second signal transceiver is electrically connected along or in the bottom of the drill pipe system. The first and second signal transceivers are electrically connected to the first and second pipes () for transferring the signals through the drill pipe system.