Frac plug apparatus, setting tool, and method
US10385650B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2016 |
| Grant date | Aug 20, 2019 |
| Priority date | — |
| Expiry date | Aug 18, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B33/128
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An improved frac plug apparatus and method for setting a plug in a downhole. In an embodiment, the apparatus comprises an inner cone shaped member having a first end and a second end, the inner cone shaped member having a generally increasing outer diameter from the first end, and an expandable outer sleeve having a first end and a second end, the first end of the expandable outer sleeve adapted to receive the first end of the inner cone shaped member and the second end of the expandable outer sleeve having a plurality of fingers joined at their tips at predetermined break points. In use, upon receiving the first end of the inner cone shaped member further into the expandable outer sleeve, the fingers of the expandable outer sleeve are adapted to break at their tips at their predetermined break points and expand outwardly to engage a surface of the downhole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.