CPC H04R 1/083 (2013.01) [H04R 1/04 (2013.01); H04R 1/2876 (2013.01); H04R 1/44 (2013.01)] | 19 Claims |
1. An acoustic device for sensing or transmitting an acoustic signal at least partially traveling through a borehole fluid within a wellbore, the acoustic device comprising:
a compensation fluid;
an acoustic transducer at least partially disposed in the compensation fluid and configured to sense the acoustic signal; and
a metallic cover that separates the compensation fluid from the borehole fluid and configured to deform in response to a pressure difference between the borehole fluid and the compensation fluid, wherein the pressure difference is created by the acoustic signal and a hydrostatic pressure in the borehole fluid.
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