AKOFS Seafarer

AKOFS Seafarer is classified as a Well Intervention Unit in compliance with the IMO-MODU code. The unit is designed to perform subsea well clean-up and testing and riser based intervention down to 2,500 meters by using 7 3/8” high pressure riser facilitating wireline, slickline and e-line intervention, coiled tubing intervention, pumping services, installation/retrieval of subsea systems, and ROV operations/survey.

  • Largest monohull well intervention vessel in the market
    • Sized to house deep water riser intervention system, wireline and coiled tubing spread plus a well test package
  • Safe intervention on DP
    • Tension systems catering for large drive and drift off's without risk of compensator lock up or pressure control rig up hitting drill floor
  • Innovative Upper riser system
    • Use of submerged flow and safety head with low pressure telescopic joint facilitating building of wireline / coiled tubing toolstrings in non heaving environment
  • Integral fluid & pumping systems
    • 400 m3 mixing system
    • 45 m3 bulk storage
    • 400 m3 fluid storage + 1000 m3 drillwater
    • 3 HP pumps + 1 chemical injection pump
  • State of the art 450 tonnes module handling system
    • Automated handling systems minimizing manual handling
  • Key data
  • Dimensions:

    156.9 m x 27.0 m

  • Deadweight:

    8,500 T

  • P.O.B. (Single and Double Cabins):


  • 2 Offshore cranes

    400t Main Crane & 50t Crane

  • 450 t Derrick and Module Handling system

  • 2-off heavy duty work class ROV's

    1 centre moonpool and 2 sliding side ports with LARS

  • Automated Riser Handling

  • Integrated Fluid & Pumping Systems

  • Well test area, burner booms and deluge system

  • Moonpool:

    7.2m x 7.2m

  • Class:

    DNV Well Intervention Unit (IMO-MODU); DP-3