Wireline operated dump bailer and method for unloading of material in a well
US10844679B2 · kind B2 · utility
0Cited by
5References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 2015 |
| Grant date | Nov 24, 2020 |
| Priority date | — |
| Expiry date | Nov 27, 2036 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF04B47/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
This invention relates to a dump bailer (1) for insertion into a well (20) in the ground. The dump bailer (1) includes a receptacle (2) which communicates with surroundings through an inlet (4) and an outlet (6), and a pump (10) positioned in a flow path (7) between the inlet (4) and the outlet (6). The pump (10) is positioned at the outlet (6), and the pump (10) during transport of the dump bailer (1) in the well (20) constitutes a sealed barrier for the carried material (18) in the receptacle (2). A method for use of the dump bailer (1) is also described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.