Apparatus and methods to remove impurities at a sensor in a downhole tool
US7677307B2 · kind B2 · utility
24Cited by
11References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2007 |
| Grant date | Mar 16, 2010 |
| Priority date | — |
| Expiry date | Feb 20, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B37/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus and methods to remove impurities at a sensor in a downhole tool are disclosed. During the testing and/or sampling of formation fluid in a borehole, the downhole tool creates a transient high rate of fluid flow of the formation fluid to remove impurities at the sensor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.