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GustoMSC Offshore Drilling

OCEAN-series

Semi-submersible for demanding operations

The GustoMSC OCEAN Series brings together semi-submersible designs for offshore drilling operations. From tender-assisted drilling with the OCEAN400-TD to harsh-environment deepwater drilling operations with the OCEAN1100-HE, the series offers designs for a wide range of offshore needs. The OCEAN1100-HE’s hull is designed for low-motion characteristics and optimum station-keeping, supporting stable drilling operations. Learn how the OCEAN-series can support your field requirements.

Capabilities across the OCEAN-series

The GustoMSC OCEAN-series includes semi-submersible designs for drilling, tender drilling, and well intervention. The OCEAN400-TD provides tender-assisted drilling alongside deepwater structures and shallow-water production drilling, with mooring options for a range of operating depths. The OCEAN1100-HE is designed for harsh-environment drilling in water depths up to 1,500 m, with a low-motion hull and flexible station-keeping options, including DP3, thruster-assisted mooring and/or full mooring. Designs can be customized to owner requirements.

Designed for offshore performance

OCEAN400-TD

Tender-assisted drilling configuration, with mooring options for midwater and deeper-water operations.

OCEAN1100-HE

Hull optimised for low motion in harsh environments, with station-keeping options: DP3, thruster-assisted mooring or full mooring.

OCEAN series

Designs customizable to owner requirements.

High variable load and large deck area.

Why the OCEAN series

Designs for different offshore needs

The OCEAN-series includes semi-submersible solutions for drilling, tender drilling, well intervention.

Options for station keeping

Select an arrangement suited to the design and operation, from tender-rig mooring systems to DP3 and moored configurations.

Customization to owner requirements

OCEAN-series designs can be tailored to project and owner-specific requirements.

Find the right OCEAN design for your field

Tell us about your operating environment, water depth and drilling requirements.
Our team can help identify a suitable OCEAN design and discuss customization options.

Engineering Services

Operational support and engineering consultancy, helping customers enhance operations, push boundaries, and maximize asset returns.

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Why partner with GustoMSC

With decades of offshore experience and a proven track record of innovation, GustoMSC helps clients unlock the full potential of their assets through smarter designs, life extension, and future-ready solutions that deliver safe, efficient, and sustainable performance.

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