Agitated wellbore cleaning tool and method
US8113285B2 · kind B2 · utility
0Cited by
8References
21Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 23, 2007 |
| Grant date | Feb 14, 2012 |
| Priority date | — |
| Expiry date | Apr 20, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B28/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A wellbore cleaning assembly is run into a wellbore to be cleaned on a work string. The cleaning assembly comprises a number of cleaning elements for cleaning a wall of the wellbore; and an oscillator coupled to the at least one cleaning element by a force transmission element, for generating an axial oscillating movement of the at least one cleaning element relative to the work string.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.