Retaining backup system for frac plugs
US12385350B2 · kind B2 · utility
0Cited by
3References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Oct 18, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/129
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A backup ring for a frac plug. The backup ring may include a plurality of segments defined by a plurality of slots, where each segment is defined by a sequential pair of the plurality of slots. The backup ring may also include a plurality of buttons, wherein at least one button is disposed on each segment. The backup ring creates a backup anchor for the sealing element and reduces or prevents extrusion of the sealing element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.