Device and installation for the cleaning of drains, particularly in a petroleum production well
US5086842A · kind A · utility
115Cited by
4References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 7, 1990 |
| Grant date | Feb 11, 1992 |
| Priority date | — |
| Expiry date | Sep 7, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
According to one significant characteristic of this invention, the device includes a nozzle (38) for projecting cleaning fluid and connected to a deflector (44) which directs the fluid jet in the direction of the wall of the drain and in particular towards the lower wall of said drain where solid sediments or deposits accumulate. In one embodiment the fluid jet projected by the nozzle (38) and loaded with particles removed from the drain is sucked in via a Venturi effect and the fluid and particles are brought back to the surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.