Patent · US Expired

Wellbore liner system

US7025144B2 · kind B2 · utility

8Cited by
88References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 25, 2004
Grant dateApr 11, 2006
Priority date
Expiry dateMay 25, 2024

Classification

  • Technology area (CPC E)Fixed Constructions
  • CPC primaryE21B41/0042
  • WIPO fieldCivil engineering
  • WIPO sectorOther fields

Abstract

Wellbore apparatus has been invented which, in at least certain aspects, includes a wellbore apparatus having a tubular member with a top end, a bottom end, a hollow portion, and a window therethrough, a sleeve positioned within the hollow portion of the tubular member, the sleeve having a top end and a bottom end, a diverter apparatus within or outside the tubular member and, optionally, below the bottom end of the sleeve, the sleeve movable so that the diverter, and the diverter directs the sleeve to the window and through the window into a bore extending beyond the window, and the window having an edge therearound to which the top end of the sleeve is weldable to sealingly secure the sleeve at the window

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