Downhole wireline intervention tool
US11428066B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jan 24, 2019 |
| Grant date | Aug 30, 2022 |
| Priority date | — |
| Expiry date | Jan 7, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B43/26
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention relates to a downhole wireline intervention tool for performing intervention in a well, comprising a wireline, a motor powered by the wireline, a positive displacement pump driven directly or indirectly by the motor for delivering a flow of fluid, an expandable bladder expanded by fluid delivered by the positive displacement pump, and a flow control device comprising an inlet, a piston and a venting port fluidly connected to the well, the piston being movable between a first position in which the venting port is fluidly connected to the expandable bladder and a second position in which the venting port is fluidly isolated from the expandable bladder for expanding the expandable bladder. The present invention also relates to a downhole system comprising a well tubular metal structure, an intervention method for intervening a well by means of the downhole wireline intervention tool according to the present invention and finally, the use of the downhole wireline intervention tool according to the present invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.