Method and apparatus for expanding tubing downhole
US7073583B2 · kind B2 · utility
15Cited by
60References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2001 |
| Grant date | Jul 11, 2006 |
| Priority date | — |
| Expiry date | Jun 20, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/122
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Aspects of the invention relate to apparatus and methods for remedial and repair operations downhole. Certain embodiments of apparatus include a lightweight expandable member (22) that can be radially expanded to increased its inner and outer diameters using an inflatable element (34). The lightweight member (22) can be used to repair a fautly safety vavle flapper (12) for example. The invention also relates to lateral tubular adapter apparatus and a method of hanging a lateral from a cased borehole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.