Distributed buoyancy pipeline installation method
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United States of America Patent
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Oct 26, 2010
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N/A
app pub date -
Oct 30, 2007
filing date -
Sep 21, 2004
priority date (Note) -
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Abstract
Apparatuses including a subsea pipeline (18) extending from a first location (14) to a second location (16) and including at least one distributed buoyancy region (102) to traverse a seabed topographic feature (12) are presented. Methods including laying a subsea pipeline (218) including laying a negatively buoyant section of pipeline (218A), a distributed buoyancy section (202) of pipeline (218), and a second negatively buoyant section of pipeline (218B) from a pipelay vessel (220) to traverse an undersea topographic feature (212) are also presented.
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