Collecting device and method for loosen and collect debris in a well
US10669795B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 15, 2016 |
| Grant date | Jun 2, 2020 |
| Priority date | — |
| Expiry date | Jul 30, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04C2/1073
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A collecting device and method for loosening and collecting debris in a well, the collecting device includes a first end portion and a second end portion; a collecting receptacle between the first and second end portions, the collecting receptacle including at least one receptacle section and at least one screen receptacle section and at least one screen receptacle; a motor; and the collecting device, at its first end portion, including a feel pipe; a conveying screw in the feed pipe driven by the motor, the conveying screw being arranged to move the debris in towards the collecting receptacle and a tool at the leading end portion of the conveying screw.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.