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:
Apr. 14, 2020
Filed:
Sep. 17, 2013
Expro North Sea Limited, Reading, Berkshire, GB;
Steven Martin Hudson, Sturminster Newton, GB;
Alexandra Vasil'evna Rogacheva, Southampton, GB;
Expro North Sea Limited, Dyce, GB;
Abstract
A well installation communication system includes downhole metallic structure, a downhole communication unit, and a surface communication unitarranged for electrical signal communication with the downhole communication unit via a signal channel. The signal channel includes a portion of the downhole metallic structure, a portion of cablerunning within the downhole metallic structure away from said portion of the downhole metallic structure towards the surface and a connection device. The connection deviceis in the signal channel between the portion of metallic structureand the portion of cable. The connection device is removeably deployed in the metallic structure, is electrically disconnectably and reconnectably connected to the metallic structure and has a connector portion to which an end of the cable is mechanically and electrically connected.