Barrier member
US12123281B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Mar 18, 2022 |
| Grant date | Oct 22, 2024 |
| Priority date | — |
| Expiry date | Mar 18, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/12
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An apparatus for selectably sealing an interior bore of a completion string comprises an elongate body and has connectors for connecting the body in line with a completion string. An interior wall of the apparatus forms a bore through the elongate body. A rupturable barrier member fastened to and bridging the bore is deformable so as to permit passage therepast after being ruptured. The barrier member includes at a weakened path defining a leaf extending from a hinge portion narrower than the widest portion of the leaf.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.