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SITUATIONAL AWARENESS

Track mattresses, ploughs and quadrants from the vessel or an ASV, and correct their position during installation.OASYS logoContact us

Automatic object tracking

OASYS Situational Awareness tracks subsea objects automatically from the vessel or an ASV. It shows the position, heading and altitude of mattresses, ploughs, quadrants and structures in real time, so you can check and correct placement during installation.

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Applications

  • Mattress installation monitoring
  • Rock bag installation monitoring
  • Plough/boulder clearance monitoring

How it works

Vessel-fixed mattress installation monitoring

Render of OASYS mattress installation monitoring method

OASYS’ object recognition capacity can be used to monitor the position of objects in the water column. The installation of subsea protection mattresses is a perfect application:

  • The position, altitude and rotation of the mattress frame are tracked instantly and compared with the target laydown position in order to provide correction values
  • An installed mattress can be surveyed instantly and its location can be used for the installation of the consecutive mattress
  • The system is vessel-fixed and therefore not influenced by current flow velocities
  • Reduce dependency of ROVs when OASYS is combined with a remote release system on the mattress deployment frame

ASV-based boulder clearance / trenching monitoring

Render of the workings of how OASYS monitors ploughs for bould clearance

Use OASYS from an ASV to monitor plough-based boulder clearance / trenching operations. Key benefits:

  • Monitor the position, heading and orientation of the plough in real-time and compare it with the target route
  • Perform quality-control on the plough performance as disturbed seabed profile and rock berms are directly visible
  • Get a direct indication of the plough’s scouring depth

Benefits

Lower operating cost

  • One operator per 12-hour shift

  • No ROV needed for monitoring, no downtime due to currents or other workability limits

  • Each installed object is surveyed immediately and can be used to place the next one.

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Lower installation risk

  • Check position against target position before release.

  • Plough performance checked live, with disturbed seabed and rock berms visible directly

  • Automated detection removes operator errors

Planning an installation campaign?

Send us the project dates and the scope, and we’ll reply within 3 working days.

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