Apparatus incorporating jet pump for well head cleaning
US6453996B1 · kind B1 · utility
19Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 22, 2000 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Sep 22, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cleanup tool is described for use in a wellbore, the tool having a body which defines flow passages which communicate with the venturi chamber, the venturi chamber itself communicating with a discharge passage for radially or near radially discharging jetted fluid for cleaning a well head or the like. The tool may further include or be associated with filtration devices, including a junk basket or filter screen.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.