System and method for establishing a bypass flow path within a wellbore liner
US11525331B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 3, 2022 |
| Grant date | Dec 13, 2022 |
| Priority date | — |
| Expiry date | Feb 3, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/16
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A system for establishing a bypass flow path includes a plug assembly having bypass ports extending from the exterior to the interior; a wiper dart to engage and seal the first flow path and bypass flow path, and initiate release of the plug assembly from a first position, the plug assembly having a dart nose attached to the dart body; once the plug has moved to a second position, pressure applied through the bypass ports communicates to the dart nose to cause detachment of the dart nose from the dart body; a first flow path extends through the central bore of the plug assembly when the wiper dart is not present; and a second flow path extends through the bypass ports on the plug assembly below the dart body to the detachable dart nose, once detached, the bypass flow path is established thru the bore below the dart body.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.