Sealing plug and method for removing same from a well
US7328750B2 · kind B2 · utility
72Cited by
29References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 2005 |
| Grant date | Feb 12, 2008 |
| Priority date | — |
| Expiry date | Apr 4, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B29/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A tool and a method for sealing a casing or a wellbore according to which a device is supported on a mandrel and expands into engagement with the casing or the wellbore. An explosive cutter is also supported on the mandrel and is adapted to explode to cut the mandrel and the device and release the engagement.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.