Liner hanger running tool with preset protection
US11613970B2 · kind B2 · utility
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8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2020 |
| Grant date | Mar 28, 2023 |
| Priority date | — |
| Expiry date | Apr 2, 2041 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A liner hanger system includes a mandrel and an extension disposed radially outwardly of the mandrel at least in part. The extension is disposed to urge a seal/anchor to a set position. A running tool is disposed radially inwardly of the mandrel and a ring is resiliently engagable with the mandrel and the extension simultaneously upon being deflected radially outwardly by the running tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.