Telluric noise cancellation in induced polarization prospecting

Details Telluric noise cancellation in induced polarization prospecting Telluric noise cancellation in induced polarization prospecting

1980-04-04

1982-07-13

Strecker, Gerard R.

Electricity: measuring and testing

Of geophysical surface or subsurface in situ

Using electrode arrays, circuits, structure, or supports

324349, G01V 302, G01V 338

Patent

active

043397204

ABSTRACT:
Apparatus and method for generating a record of telluric noise which is substantially free of induced polarization signals and is suitable for removal of noise components from induced polarization signal records. The apparatus includes a single pair of telluric noise sensing electrodes positioned in alignment with, but substantially beyond the ends of, a somewhat conventional induced polarization electrode spread. The method includes recording of telluric noise occurring at the time of detection of induced polarization signals and the subtraction of a fraction of the telluric noise record from the induced polarization signal records.

REFERENCES:
patent: 3402348 (1968-09-01), Hoehn et al.
patent: 3967190 (1976-06-01), Zonge
patent: 3984759 (1976-10-01), St-Amant et al.
patent: 4041372 (1977-08-01), Miller et al.

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