Seismic signal coupling device and method
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United States of America Patent
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Jul 17, 2001
Grant Date -
N/A
app pub date -
Apr 9, 1999
filing date -
Apr 9, 1999
priority date (Note) -
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Abstract
A seismic coupling device for geophones firmly couples seismic sensors to the sea floor. The structure is open for the free flow of sea water and mud through the structure so that it moves freely through the sea water and solidly embeds itself in the ocean bottom. It is preferably made of a corrosion resistant metal, such as stainless steel, which also resists bending forces on the cable take-up reel, and provides further mechanical protection for sensor components enclosed within. A segmented ring at each end clamps around the protective enclosure which encloses the sensor package, and a further pair of segmented rings inside the ends clamps around the enclosure. A plurality of axially oriented longitudinal bars couple to the rings to form a squirrel cage around the enclosure.
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