Patent · US Active

Well tubings with polymer liners

US9371702B2 · kind B2 · utility

0Cited by

15References

15Claims

0Family size

Assignee

Borealis AG · AT

Inventors

Martin Anker · Karlskrona, SE
Siegfried Liedauer · Leonding, AT
Markus Oberndorfer · Wien, AT
Karin Thayer · Bezirk Krems an der Donau (Stadt), AT

Key dates

Filing date	Dec 12, 2008
Grant date	Jun 21, 2016
Priority date	—
Expiry date	Jul 29, 2032

Classification

Technology area (CPC E)Fixed Constructions
CPC primaryE21B17/1007
WIPO fieldCivil engineering
WIPO sectorOther fields

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.