Our Projects

Leading supplier of concept studies, detailed engineering, EPC, subsea structures and tie-in for the oil & gas industry.

Inline Mooring Chain Tensioner

Johan Castberg SURF Integration Pre-FEED and FEED Studies In collaboration with IKM Ocean Design

Johan Castberg ROV Lever Arm

Troll Phase 3

Johan Castberg WIILTs Detail Engineering

Snorre Riser and Umbilical Anchors

Johan Castberg Suction Anchors

Johan Castberg WI ILT Retrofit Anode Bank

South China Ocean PRS

Detail analysis for high impact covers

Troll Phase 3 Spool Fabrication

Troll Phase III Fabrication follow up

Yme New Development Submerged Loading System

Conceptual study of PLR and PLEM

Eldfisk North Development Contract – FEED study

Troll Phase III FEED

Polarled Fabrication, Testing and Mechanical Completion Lead

Berling Field Development

Reliance Buoyancy Module Catcher

SOLAR Power Plant floater connections

Subsea Desalination Plant

HISC Mitigation tool

36’’ Polarled Connector Replacement Tool

Polarled Dewatering PLET with12” THOR Tie-In

Ivar Aasen Offshore Operations

H-Mode Development

Askeladd Tie-In Spools

Europipe 2 Tie-in project

Colibri Project 12’’ H-Mode Tie-ins

Manatee Project 32’’ H-Mode Tie-Ins Open Porch Design

Manatee Project 32’’ H-Mode Tie-Ins

Spool Fabrication Supervision

Snorre Gravity Based Anchors

Johan Castberg Suction Anchors

Buoyancy Catcher

Johan Castberg Water Injection Inline Tees

Polarled Dewatering PLET with12” THOR Tie-In

Ivar Aasen Offshore Operations

H-Mode Development

Askeladd Tie-In Spools

Europipe 2 Tie-in project

Colibri Project 12’’ H-Mode Tie-ins

Manatee Project 32’’ H-Mode Tie-Ins Open Porch Design

Manatee Project 32’’ H-Mode Tie-Ins

H-Mode Tie-In System

Ivar Aasen Tie-in

Inline Mooring Chain Tensioner

Johan Castberg ROV Lever Arm

Buoyancy Catcher

Cutting Tool

Riser Pull-In Heads

Line Tensioner

Mezzanine deck design

Scissor Repair Clamp

Johan Castberg SURF Integration Pre-FEED and FEED Studies In collaboration with IKM Ocean Design

Troll Phase 3

Johan Castberg WIILTs Detail Engineering

Snorre Riser and Umbilical Anchors

Johan Castberg Suction Anchors

Johan Castberg WI ILT Retrofit Anode Bank

South China Ocean PRS

Detail analysis for high impact covers

Troll Phase 3 Spool Fabrication

Troll Phase III Fabrication follow up

Reliance Buoyancy Module Catcher

SOLAR Power Plant floater connections

Subsea Desalination Plant

HISC Mitigation tool

36’’ Polarled Connector Replacement Tool

Spool Fabrication Supervision

Snorre Gravity Based Anchors

Johan Castberg Suction Anchors

Johan Castberg Water Injection Inline Tees

Troll Phase 3 Marine Operations

Polarled PLEM Supervisor

High impact covers

Troll GRP Covers

ROV Panel

Yme New Development Submerged Loading System

Conceptual study of PLR and PLEM

Eldfisk North Development Contract – FEED study

Troll Phase III FEED

Polarled Fabrication, Testing and Mechanical Completion Lead

Berling Field Development

Johan Castberg Pre-FEED and FEED

Generative design

Cover CFD Analysis

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Nautilus Subsea transforms complex offshore challenges into practical, reliable subsea systems. With expertise spanning concept, engineering, and fabrication, we deliver solutions optimized for performance, cost, and constructability.