Hybrid liner hanger and setting tool
US11236564B2 · kind B2 · utility
0Cited by
14References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2019 |
| Grant date | Feb 1, 2022 |
| Priority date | — |
| Expiry date | Nov 15, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A setting mechanism for a liner hanger to be secured within the casing of an oil/gas well includes an expandable hydraulic chamber a portion of which is connected to a setting collar positioned around the liner hanger. Expansion of the chamber will cause the setting collar to radially move one or more slips having a gripping surface into contact with an inner surface of the casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.