Well clean-up tool with improved cleaning member
US6347667B1 · kind B1 · utility
6Cited by
7References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 26, 1999 |
| Grant date | Feb 19, 2002 |
| Priority date | — |
| Expiry date | Oct 26, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/04
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Well cleaning apparatus comprises a tubular body member attached to a work string which supports one or more resilient and pliable cleaning members. Each cleaning member is provided with a means for allowing bypass as sized and adapted to wipe the well casing. In one embodiment, the apparatus may be used to plunge the well with the cleaning members providing the sealing relationship with the well casing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.