Wellbore tool with disintegratable components
US7798236B2 · kind B2 · utility
155Cited by
17References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 29, 2006 |
| Grant date | Sep 21, 2010 |
| Priority date | — |
| Expiry date | Sep 29, 2026 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B2200/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention generally provides a pressure isolation plug for managing a wellbore with multiple zones. The pressure isolation plug generally includes a body with a bore extending therethrough, a first disintegratable ball sized and positioned to restrict upward fluid flow through the bore, wherein the disintegratable ball disintegrates when exposed to wellbore conditions for a first amount of time. The plug also includes a second ball sized and positioned to restrict downward fluid flow through the bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.