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IMCA Marine Division

Publication Details

Guidance on Thruster-Assisted Station Keeping by FPSOs and Similar Turret-Moored Vessels

In the light of the advent of deepwater exploration and turret-moored FPSOs, a need was seen to revisit the use of thruster assist systems. By considering both what can be achieved technically and what can be done practically, this document aims to give design and operational help to projects with turret-moored facilities.

The document takes into account work by the ISO working group on station keeping, the position mooring standard currently being developed by DnV and feedback received from the operators of such vessels.

Contents

  • Introduction
  • Turret-moored FPSO
  • Heading control
    • Optional heading control
    • Essential heading control
  • Mooring load reduction
    • Optional mooring load reduction
    • Essential mooring load reduction
  • System response to major failures
    • Line failure
    • Blackout prevention
    • Thruster to full power
    • Gyro compass drift
    • Position reference fault
    • Other major failures
  • Trials, training and manning
  • References
  Ref Title Date Version  
Members Others VAT?
No download available IMCA M 159 Guidance on thruster-assisted station keeping by FPSOs and similar turret-moored vessels Dec 2000    
  £10.00 £20.00 0
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