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:
Aug. 08, 2017

Filed:

Jul. 26, 2012
Applicants:

Francois Millet, Antony, FR;

Yvan Boudey, Paris, FR;

Stephane Thobois, Fontaine la Guyon, FR;

Inventors:

Francois Millet, Antony, FR;

Yvan Boudey, Paris, FR;

Stephane Thobois, Fontaine la Guyon, FR;

Assignee:

VALLOUREC DRILLING PRODUCTS FRANCE, Cosne-Cours-sur-Loire, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/02 (2006.01); E21B 17/00 (2006.01);
U.S. Cl.
CPC ...
E21B 17/028 (2013.01); E21B 17/003 (2013.01);
Abstract

A tubular component for oil exploration includes an electromagnetic half-coupler that can be coupled to a half-coupler of another tubular component to allow data transmission, wherein an end portion of the tubular component includes a housing accommodating the half-coupler, the half-coupler including a coupling element and an annular armature for the coupling element, the coupling element including an annular body formed from a material with a high magnetic permeability and an electrical conductor having turns, the armature including a first portion and a second portion configured to accommodate the coupling element, the armature being partially surrounded by an isolating and impervious material to protect the half-coupler against infiltration.


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