Downhole expansion tool and method for use of the tool
US10787888B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 16, 2017 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Nov 9, 2037 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B29/10
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An expansion tool and method for expanding a tubing is disclosed. The expansion tool includes a rear portion, an opposite leading end and an expansion piston within the expansion tool. The expansion piston includes an expansion cone and radially movable expansion elements forming a circumferential expansion body. The rear portion is adapted for engaging a power source positioned at the rear portion. The expansion tool further includes a plurality of expansion arms surrounding the expansion piston. Each expansion arm is on an outer side provided with an expansion element, and a wedge portion between the expansion element and the expansion cone. The wedge portion abuts the expansion cone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.