Method and system of depth triggers for marine geophysical survey cable retriever systems

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United States of America Patent

PATENT NO 9261618
APP PUB NO 20150030393A1
SERIAL NO

14513723

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Abstract

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Depth triggers for marine geophysical survey cable retriever systems. At least some of the illustrative embodiments include causing a submerged geophysical survey cable to surface. In some cases, the causing the cable to surface may include: fracturing a frangible link wherein the frangible link, before the fracturing, affixes position of a piston within a cylinder bore of a housing coupled to the geophysical survey cable, and the fracturing of the frangible link responsive to pressure exerted on a face of the piston as the geophysical survey cable reaches or exceeds a predetermined depth; moving the piston within the cylinder bore; and deploying a mechanism that makes the geophysical survey cable more positively buoyant.

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Patent Owner(s)

  • PGS GEOPHYSICAL AS

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hu, Youlin The Woodlands, US 10 52
Stenzel, Andre Sugar Land, US 39 606

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