4Subsea
4Subsea

Annulus Monitoring (AMOS™)

Unique value proposition (UVP)

4Subsea’s annulus monitoring solution AMOS™ provides safe and cost-effective operation of flexible risers. The system monitors the riser annulus diffusion rate, detecting early signs of riser failure, reducing risk and averting potential costly replacement of risers. AMOS™ enables safe operations and improved decision-making, averting costly unplanned replacement of risers. 4Subsea’s AMOS™ is a continuous annulus monitoring system for new and existing (retrofit) flexible risers. It uses a patent pending method to detect failures such as outer sheath damages and blocked ventilation ports early on, hence preventing costly replacements, shutdowns and accidents. AMOS™ also provides the option of automated annulus free volume testing as well as automated nitrogen annulus testing.

Key Benefits

  • AMOS™ minimizes the risk of riser failure by detecting early signs of damage, preventing expensive replacements and unplanned operational shutdowns.
  • The system enhances operational safety and decision-making by continuously monitoring and identifying issues in both new and retrofitted flexible risers.
  • Automated testing options, such as annulus free volume and nitrogen testing, optimize maintenance processes and boost operational efficiency.

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Company contact

Ina Ellingsen
Digital Marketing Manager
ina.ellingsen@4subsea.com+47 992 96 114

TRL scale

9
DevelopmentTech demoMature

Categories

Oil & Gas
Asset integrity management
  • Pipeline Integrity Management
  • Condition monitoring inspection services
Subsea systems and marine operations
  • Umbilicals, risers, flowlines and pipelines · flexibles, static and dynamic lines
CCUS
Storage
  • Reservoir monitoring
  • Well construction & injection

References

  • Annulus Monitoring System AMOS™
  • AMOS™ Product Sheet
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