Seal assembly running tools and methods
US11149511B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2017 |
| Grant date | Oct 19, 2021 |
| Priority date | — |
| Expiry date | Apr 30, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B23/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A running tool assembly for installing a seal assembly in a wellhead housing includes a mandrel configured to couple with a conveyance string and including a central passage, a first piston slidably disposed about the mandrel and configured to releasably couple with the seal assembly, and a second piston slidably disposed in the central passage of the mandrel and including an annular seal that sealingly engages an inner surface of the central passage, wherein, when the running tool assembly is disposed in the wellhead housing, the second piston is configured to set an axially settable component in response to a pressurization of the central passage of the mandrel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.