SUBSEA PIPELINE REMEDIATION HEATING
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
Mar 21, 2023
filing date -
Jan 19, 2023
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Abstract
Systems and methods are provided for insulating and heating a subsea pipeline. A system may comprise a subsea pipeline including a lower portion embedded in a seafloor and an upper portion above the seafloor. The system may include an insulating layer. The insulating layer may include a middle portion covering the upper portion of the subsea pipeline. The insulating layer may further include an end portion covering the seafloor. The insulating layer may form a cavity adjacent to the seafloor, the subsea pipeline, and the insulating layer. The system may further include a plurality of heater cables within the cavity. The plurality of heater cables may be configured to heat a fluid within the subsea pipeline. The plurality of heater cables may be separated from the subsea pipeline only by seawater or by soil of the seafloor within the cavity.
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