Liner running tool, method, and system
US11927081B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2022 |
| Grant date | Mar 12, 2024 |
| Priority date | — |
| Expiry date | Jul 21, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A running tool which includes a mandrel, a thread engager disposed upon the mandrel, a support supporting the thread engager in a first position and unsupporting the thread engager in a second position, and a torque dog sub including a torque dog, a lock dog, and lock dog sleeve disposed on the mandrel. A liner system which includes a liner system component, a running tool engaged with the liner component. A borehole system including a borehole in a subsurface formation, and a liner system in the borehole. A method for releasing a liner including pressuring up on the running tool, shifting the lock dog sleeve, and slacking weight to shift the support. A method for releasing a liner including applying neutral set down weight to the running tool, rotating the support, slacking weight to shift the support, and moving the tool out of engagement with the liner.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.