Collecting device for particulate material in a well and a method for collecting the particulate material and transporting it out of the well
US10704351B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 18, 2015 |
| Grant date | Jul 7, 2020 |
| Priority date | — |
| Expiry date | Jun 7, 2035 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This invention relates to a collecting device (1) for loosening and collecting particulate material from a well. The device includes a first end portion and a second end portion; a feed pipe (6) in the first end portion; a collecting container (8) including at least one container section (10), between the feed pipe (6) and the second end portion. A conveyor (18), in the feed pipe (6), moves the particulate material in toward the collecting device (1). The device further includes a tool (20) at the leading end portion of the conveyor (18) and a fluid outlet (38) at the second end portion; a mono pump (12) driven by a motor (22); and at least one container section (10) in a flow path (40) on the pressure side of the mono pump (12). A method for loosening and collecting particulate materials from a well by means of the collecting device (1) is described as well.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.