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:
Jun. 21, 2016
Filed:
Dec. 12, 2008
Applicants:
Martin Anker, Hisings Kärra, SE;
Siegfried Liedauer, Wilhering, AT;
Markus Oberndorfer, Vienna, AT;
Karin Thayer, Mautern, AT;
Inventors:
Martin Anker, Hisings Kärra, SE;
Siegfried Liedauer, Wilhering, AT;
Markus Oberndorfer, Vienna, AT;
Karin Thayer, Mautern, AT;
Assignee:
Borealis AG, Vienna, AT;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16L 9/14 (2006.01); E21B 17/00 (2006.01); E21B 17/10 (2006.01);
U.S. Cl.
CPC ...
E21B 17/003 (2013.01); E21B 17/1007 (2013.01);
Abstract
The invention relates to well tubings, in particular oil well tubings, having an improved resistance to abrasion and corrosion. A well tubing comprises a plurality of tubing sections each having a bore and an inside diameter, wherein at least part of the tubing sections has polymer liners disposed within said bore of said tubing section, characterized in that said polymer liners are comprised of crosslinked polyethylene.