Despite regulation of traffic and activities in protection zones around pipeline infrastructures, damage caused by vessels may pose substantial threats to the expected lifetime of pipelines. The environmental aspects and economic consequences can be significant.
Gatehouse Maritime’s Asset Monitoring service for offshore pipelines is a proactive solution that reduces the risk of damage to subsea pipeline infrastructure and helps save millions of dollars for potential repair costs. It provides transparency about any vessel movements in offshore pipeline surveillance zones.
These AIS data insights provide the intelligence required to optimize preventive measures at sea level and to focus maintenance efforts around the most exposed sections of offshore assets.
According to National Research Council (NRC), the most significant pipeline failures derive from damage caused by vessels and their gear. In deeper water, fishing vessels risk tearing nets and other gears on the pipeline features and occasionally causing leaks, while larger vessels may drag their anchors across the pipelines, resulting in bending or cracking.
Focusing monitoring efforts on specific types of vessels is an effective way to minimize the probability of threats and damages to the integrity of subsea pipelines.
Integrated surveillance statistics based on AIS data, such as vessel traffic, provide the ability to focus maintenance efforts on the sections of the pipeline with the highest probability of damage. This can significantly reduce the cost related to, for example, pigging, since you can easily identify the most exposed sections.
Traffic pattern analysis, traffic density plots, event type frequencies and locations provide a basis to protect offshore pipelines by taking preventative measures such as placing buoys and virtual AtoNs.
All vessel activities in defined surveillance zones are logged. This provides the best possible evidence for correlating (through AIS data) identified vessels with the occurrence of damages.
As part of the increasing demand for offshore surveillance, Gatehouse Maritime, has won a contract issued by gas transmission system operator, GAZ-SYSTEM. With the 5-year contract, Gatehouse Maritime will provide data analytics to automate monitoring of a new gas pipeline in the Baltic Sea which will deliver Norwegian gas to Danish and Polish households.
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