Resonance earth structure logging

Communications: electrical – Selective – Having electron beam device

Patent

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Details

181108, 181401, 340 10, 340 17R, 73 672, 73 678R, G01V 100

Patent

active

039380726

ABSTRACT:
A sonic generator sends a collimated acoustical wave into the section of earth under test and resonance conditions are established depending upon the nature and depth of discontinuities in the path of the acoustical wave. These resonance conditions are monitored by observing and recording electrical relationship in the power supply section of the sonic generator.

REFERENCES:
patent: 2431233 (1947-11-01), Erwin
patent: 2538114 (1951-01-01), Mason
patent: 2693106 (1954-11-01), Henry
patent: 3593257 (1971-07-01), Massa, Jr.
patent: 3716828 (1973-02-01), Massa

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