Ultra-Deepwater Drillship

Customers: Bassoe Technology AB, Sweden
Owner: Sigma Drilling Ltd., Norway
Shipyard: STX Offshore & Shipbuilding Co. Ltd., Korea

Main Dimensions

Drilling depth 40,000 ft
LOA 232.6 m
LPP 218.8 m
Beam, moulded 38 m
Depth to main deck 18.4 m
Transit speed 12.0 knots


Basic design package including:

  • System philosophies (descriptions).
  • Structural analysis and documentation for accommodation decks and helideck
  • Preliminary sizing of machinery and HVAC equipment, related piping and ducting
  • Calculations, arrangement and flow diagrams for HVAC and ventilation in accommodation and machinery areas
  • Piping arrangements, calculations and system diagrams in accommodation and machinery areas (about 35 systems)
  • Architectural arrangement, insulation and covering plans for accommodation areas incl. offices, workshops, mess, galley, etc.
  • Arrangement of helideck
  • Life boats and other lifesaving appliances
  • Emergency lighting, main cable routing and CCTV system diagrams
  • Technical health and safety

Customer Benefits:

  • Deltamarin site team at customer’s premises during the whole design period.
  • One-stop partner for basic engineering of all hull related systems.

Other Benefits:

  • Design tool integration (Kronodoc based document control, MagiCad calculations).

Special Features:

  • DP3 ultra-deepwater highly versatile and effective drillship (high payload and transit speed).
Esa Jokioinen
Sales, offshore
Tel. +358 2 4336 344
Mobile +358 40 834 8112
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