Sonic logging tool

Details Sonic logging tool Sonic logging tool

1980-07-03

1982-12-21

Moskowitz, Nelson

Communications, electrical: acoustic wave systems and devices

Seismic prospecting

Well logging

367911, 181102, 175 40, 340854, G01V 140

Patent

active

043653219

ABSTRACT:
A sonic logging tool which includes a relatively short sonic wave isolation section and further includes a structural member surrounding a pressure wave generating apparatus for creating a damping shorted turns effect is disclosed. The isolation section includes interlocking ends having serpentine edges which are spaced from each other, but which are interlocked for preventing longitudinal separation of the two ends. The isolation section also includes a damping material disposed between the spatially separated serpentine edges. The structural portion permits an electrical current to pass therethrough around the pressure wave generator apparatus.

REFERENCES:
patent: 2156052 (1939-04-01), Cooper
patent: 2350371 (1944-06-01), Smith
patent: 3288245 (1966-11-01), Anderson
patent: 4020452 (1977-04-01), Trouillen et al.
patent: 4066995 (1978-01-01), Matthews

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