In situ expandable tubulars
US11060382B2 · kind B2 · utility
15Cited by
19References
24Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 13, 2019 |
| Grant date | Jul 13, 2021 |
| Priority date | — |
| Expiry date | May 13, 2039 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Expandable tube members that are fabricated from a composite material that includes a structural plastic, which structural plastic includes phase change materials that undergo a permanent expansion upon exposure to wellbore conditions. This permanent expansion of the structural plastic causes the expandable tube member to expand radially and/or longitudinally without the use of an expansion tool. The expandable tube member can be used to control fluid loss, patch wells, stabilize a formation in a wellbore, enhance flow, provide sand screening, and repair damaged pipes, casings, or liners.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.