Selectively disengagable sealing system
US10563765B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 30, 2016 |
| Grant date | Feb 18, 2020 |
| Priority date | — |
| Expiry date | Nov 30, 2036 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An inverted seal including a disintegrable body, one or more inside dimension seals disposed in the body. A method for removing an inverted seal from a downhole environment including exposing the body of the inverted seal to a condition to which it is responsive, disintegrating a portion of the body. A method for deploying a conventional seal after an inverted seal in a borehole including positioning an inverted seal in a downhole location, utilizing the inverted seal for its intended purpose, removing at least a portion of a body of the inverted seal, running a conventional seal further downhole of the location of the inverted seal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.