Wellbore lateral liner placement system
US9644459B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 28, 2011 |
| Grant date | May 9, 2017 |
| Priority date | — |
| Expiry date | Nov 5, 2032 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B41/0035
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for placement of a liner in a lateral wellbore, access to which is provided through a window having a V-shaped downhole end. The system includes a running tool including an upper end through which the running tool is manipulated from surface, a lower end, a key positioned between the upper end and the lower end, the key protruding from the running tool for locating the V-shaped downhole end of the window and a liner-engaging portion on the downhole end for releasably securing the wellbore liner to the running tool, the liner-engaging portion configured to secure the liner adjacent the key with the key protruding above the liner and the liner extending from the lower end. The invention also provides methods for placing a wellbore liner in a lateral wellbore extending from a main wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.