Hydrogen-oxygen acoustic logging device

Details Hydrogen-oxygen acoustic logging device Hydrogen-oxygen acoustic logging device

1992-02-24

1993-07-06

Lobo, Ian J.

Acoustics

Geophysical or subsurface exploration

Well logging

367911, G01V 140

Patent

active

052256383

ABSTRACT:
A hydrogen-oxygen acoustic logging device is provided for generating acoustic waves for logging a subsurface formation when arranged in a borehole through the formation. The device is electrically driven for electrolyzing water to a gaseous hydrogen-oxygen mixture and for firing the gaseous mixture for generating the waves. The device comprises an inflatable compartment to be inflated by the gaseous hydrogen-oxygen mixture. The device further comprises a housing having an outer wall facing and closely fitting to a borehole wall portion, and provided with a recess. The recess contains the inflatable compartment and, when arranged in logging position against said borehole wall portion, defines a substantially closed wave generating chamber.

REFERENCES:
patent: 2679205 (1954-05-01), Piety
patent: 3587775 (1971-06-01), Baier, Jr.
patent: 4207619 (1980-06-01), Klavences
patent: 4706228 (1987-10-01), Owen et al.
patent: 5058077 (1991-10-01), Twist

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