Method for determining properties of earth formations using dielectric permittivity measurements
US7376514B2 · kind B2 · utility
43Cited by
14References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 23, 2005 |
| Grant date | May 20, 2008 |
| Priority date | — |
| Expiry date | Sep 23, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02A90/30
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Techniques for estimating the fraction of water in formations being investigated use measurements of dielectric permittivity at a number of frequencies. The techniques have the advantage of minimizing or eliminating external inputs that can introduce inaccuracies.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.