Collecting device and method for loosen and collect debris in a well
US11319763B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Feb 19, 2020 |
| Grant date | May 3, 2022 |
| Priority date | — |
| Expiry date | Feb 19, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2/1073
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A collecting device for loosening and collecting debris in a well comprises a first and second end portions, a collecting receptacle between the first and second end portions having at least one receptacle section and at least one screen receptacle, and a motor. The device at its first end includes a feed pipe, a conveying screw in feed pipe driven by the motor and arranged to move the debris in towards the collecting receptacle, and a tool at the leading end portion of the conveying screw. A method described of loosening and collecting debris in a well by the collecting device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.