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. 11, 2017
Filed:
Oct. 04, 2012
Applicant:
Vallourec Drilling Products France, Cosne Cours sur Loire, FR;
Inventors:
Alexandre Fraignac, Paris, FR;
Francois Millet, Antony, FR;
Assignee:
VALLOUREC DRILLING PRODUCTS FRANCE, Cosne Cours sur Loire, FR;
Primary Examiner:
Int. Cl.
CPC ...
E21B 17/042 (2006.01); E21B 17/00 (2006.01); E21B 17/02 (2006.01);
U.S. Cl.
CPC ...
E21B 17/042 (2013.01); E21B 17/003 (2013.01); E21B 17/023 (2013.01);
Abstract
A component for a drill stem including a tubular body with at least one first end zone and a second end zone. The component includes a sheath for passage of a cable extending inside the tubular body between the first end and the second end zone and at least one liner which lines at least a portion of the inside of the tubular body in the first end zone. At least a first end portion of the sheath includes a first threading. The liner supports a second threading. The first and second threading are screwed together.