Method for quantitatively separating the effects of electromagnetic induction and induced polarization
This invention is related to the methods of electro-geological survey. Essentially, it consists in measuring of the process of transient over a polarizable medium using a dipole-axial device as impulses of current are sent through this medium. Several functions are formed in such a way as to ensure...
Gespeichert in:
Hauptverfasser: | , , , , , , |
---|---|
Format: | Patent |
Sprache: | chi ; eng |
Schlagworte: | |
Online-Zugang: | Volltext bestellen |
Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
Zusammenfassung: | This invention is related to the methods of electro-geological survey. Essentially, it consists in measuring of the process of transient over a polarizable medium using a dipole-axial device as impulses of current are sent through this medium. Several functions are formed in such a way as to ensure different manner of their dependence on the electromagnetic induction field and induced polarization field. One of these functions is formed in such a way as to increase an electromagnetic induction and induced polarization ratio as compared to DU(t)= ¡U(t)/¡U 0 , where ¡U 0 is the difference of potential U measured during the passage of current. The second of these functions is formed in such a way as to decrease the electromagnetic induction and induced polarization ratio as compared to DU(t). The third of these functions is formed as a combination of time and spatial derivatives of the transient field. Simultaneous inversion of all the input functions is executed, including DU(t) obtained in one point of rec |
---|