Hydraulically activated swivel for running expandable components with tailpipe
US7011162B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 14, 2002 |
| Grant date | Mar 14, 2006 |
| Priority date | — |
| Expiry date | Feb 5, 2023 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF16B2200/63
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for use in a wellbore, the apparatus comprises a top body, a bottom body, and a sleeve mechanically connected to the top and bottom bodies. The sleeve movable between a first position to a second position, whereby in the first position, the top and bottom bodies rotate as one unit and in the second position, the top body rotates independent of the bottom body in a first direction and with the bottom body in a second direction. A method for completing a wellbore, wherein the method comprises running an assembly and a liner disposed on a drill string into the wellbore. The assembly includes an expander tool, a hydraulically actuated swivel, and a running tool mechanically connected to the liner. The method includes rotating the assembly and the liner as one rotationally locked unit. The method further includes activating the expander tool, expanding the liner into the existing casing, deactivating the expander, and then removing the drill string and running assembly from the wellbore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.