Collapse resistant expandables for use in wellbore environments
US7191842B2 · kind B2 · utility
10Cited by
26References
35Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 12, 2003 |
| Grant date | Mar 20, 2007 |
| Priority date | — |
| Expiry date | Dec 23, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A technique utilizes blocking members to resist contraction of expandables in wellbore environments. The technique comprises an expandable having a wall with a plurality of expandable cells. A plurality of blocking members cooperate with at least some of the cells to resist contraction of the expandable device once transitioned to a desired expanded state.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.