Apparatus for electromagnetic logging of a formation
US7348781B2 · kind B2 · utility
12Cited by
9References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 31, 2004 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Aug 1, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A tool for electromagnetic logging of a formation includes a tool body configured to move in a borehole penetrating the formation; an antenna array disposed on the tool body; and an electronic unit configured to control operation of the antenna array, wherein the antenna array comprises at least one transmitter and at least one receiver, wherein at least one selected from the group consisting of the at least one transmitter and the at least one receiver comprises a printed circuit antenna.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.