Expanding tubing
US6896052B2 · kind B2 · utility
17Cited by
6References
87Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2002 |
| Grant date | May 24, 2005 |
| Priority date | — |
| Expiry date | May 15, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/103
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of expanding tubing downhole comprises providing a section of expandable tubing of a first diameter, and axially compressing the tubing to induce buckling, such that the buckled portion describes a larger second diameter. The resulting diametric expansion may be utilised to anchor or seal the tubing within a larger bore.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.