Tool for imaging a downhole environment
US8901932B2 · kind B2 · utility
8Cited by
21References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2009 |
| Grant date | Dec 2, 2014 |
| Priority date | — |
| Expiry date | Jan 1, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/24
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
The invention is concerned with a tool and method for imaging a formation through a substantially non-conductive medium. The tool comprises first circuitry for injecting a current into the formation, wherein a complex impedance to the current is measured. Second circuitry for determining a phase angle of an impedance of the non-conductive medium and third circuitry for determining a component of the complex impedance that is orthogonal to the phase angle.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.