Method for acquiring and interpreting transient electromagnetic measurements
US7356411B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 1, 2006 |
| Grant date | Apr 8, 2008 |
| Priority date | — |
| Expiry date | Jul 1, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V3/083
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for interpreting transient electromagnetic survey data includes measuring transient response of a medium over a plurality of switching events. The measured transient response to a first one of the current switching events is modeled. Transient response to the model for at least one current switching event prior in time to the at least a first current switching event is calculated. The calculated transient response is summed with the first event measured response and the sum is compared to the electromagnetic survey measurements. The model is adjusted and the calculating summed transient responses is repeated until a difference between the summed calculated responses and the survey measurements falls below a selected threshold.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.