Downhole tool
US7793712B2 · kind B2 · utility
10Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 23, 2007 |
| Grant date | Sep 14, 2010 |
| Priority date | — |
| Expiry date | Apr 10, 2028 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21B47/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A downhole tool, configured to be suspended in a borehole traversing an earth formation, includes a downhole data acquisition system placed in the tool body and electrically connected to an electric power generator at the formation surface. The downhole data acquisition system includes a sensor for detecting local conditions in the borehole, and a transducer for transducing the voltage of an input signal from high to low or low to high. The transducer having a gallium nitride or silicon carbide based discrete semiconductor device.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.