Test & Assembly Services

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Comprehensive Testing Solutions for Oil & Gas and Renewable Energy Projects

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Legasea provides world-class test and assembly services for subsea equipment, surface production systems, and renewables infrastructure. Our state-of-the-art facilities ensure your equipment meets the highest operational standards before deployment, reducing downtime and maximising project success.

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Subsea Equipment Testing & Assembly Services

Factory Acceptance Testing (FAT) & Extended FAT (EFAT)

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Our advanced testing capabilities ensure subsea equipment performs flawlessly in harsh underwater environments. We conduct comprehensive factory acceptance testing for:

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• Subsea Production Systems: Christmas trees, manifolds, and production control systems

• Blowout Preventer (BOP) Testing: Complete stack testing and interface verification

• Subsea Intervention Equipment: Hot taps, pipeline repair systems, and abandonment tools

• Riser Systems: Flexible and rigid riser testing and inspection

• Umbilical and Connector Testing: Electrical, hydraulic, and fiber optic systems

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Site Integration Testing (SIT)

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Our dedicated SIT facilities accommodate complex subsea equipment integration:

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• Emergency Disconnect Package (EDP) Testing: Complete system verification

• Lower Marine Riser Package (LMRP) Testing: Interface and operational testing

• Subsea Control Module Testing: Communication and control system verification

• Pipeline End Manifold (PLEM) Testing: Flow and pressure testing

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Surface Equipment Testing & Assembly

Production Equipment Testing

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• Wellhead and Christmas Tree Testing: Pressure testing up to 60,000 psi

• Choke and Kill Line Testing: Flow control system verification

• Surface Safety Systems: Emergency shutdown and process safety testing

• Separators and Processing Equipment: Performance and safety testing

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Interface and Integration Testing

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• Stack-up Testing: Equipment compatibility verification

• Interface Testing: Connection and sealing system validation

• Buoyancy Testing: Flotation system performance verification

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Renewables Equipment Testing Services

Offshore Wind Testing

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• Foundation Testing: Monopile, jacket, and floating foundation systems

• Cable Testing: Inter-array and export cable systems

• Turbine Component Testing: Hub, nacelle, and blade assembly verification

• Mooring System Testing: Chain, wire, and synthetic rope testing

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Marine Energy Testing

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• Tidal Energy Systems: Turbine and generator testing

• Wave Energy Converters: Power take-off system testing

• Subsea Cable Systems: Power transmission testing

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Advanced Testing Capabilities & Facilities

Pressure Testing Excellence

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• High-Pressure Hydro Testing: Up to 60,000 psi capability

• Submerged Gas Leak Testing: Underwater leak detection and verification

• Mouse Hole Pressure Test Pit: 16ft depth for specialized testing

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Heavy Lift & Assembly Infrastructure

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• Overhead Crane Systems: 75, 25, and 10-tonne capacity cranes

• 16 Metre Hook Height: Accommodating large subsea equipment

• Clean Room Facilities: Contamination-free assembly environments

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SpecialiSed Testing Services

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• ROV Trials: Remotely operated vehicle compatibility testing

• Diver Trials: Manned underwater operation testing

• Non-Destructive Testing (NDT): Ultrasonic, magnetic particle, and dye penetrant inspection

• Fatigue Testing: Long-term performance verification

• Environmental Testing: Corrosion and material compatibility testing

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Pre-Installation & Project Support Services

Project Management & Engineering Support

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• Test Planning & Procedures: Customised testing protocols

• Witness Testing: Client and third-party inspection services

• Documentation & Certification: Complete testing records and certificates

• Equipment Preservation: Long-term storage and maintenance

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Client Support Facilities

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• Dedicated Client Offices: On-site project management space

• Conference Facilities: Client meetings and technical reviews

• Secure Storage: Equipment warehousing and logistics support

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Quality Assurance & Compliance

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Our test and assembly services comply with international standards including:

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• API Standards: API 6A, API 16A, API 17D

• ISO Certification: ISO 9001, ISO 14001, ISO 45001

• DNV GL Standards: Offshore and renewables certification

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Industries Served

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• Offshore Oil & Gas: Deepwater and ultra-deepwater projects

• Onshore Oil & Gas: Conventional and unconventional resources

• Offshore Wind: Fixed and floating wind farms

• Marine Energy: Tidal and wave energy projects

• Subsea Mining: Deep-sea resource extraction

• Decommissioning: Tooling and Interface Testing

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Why Choose Legasea for Test & Assembly Services?

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• Proven track record in subsea and surface equipment testing

• Advanced Facilities: State-of-the-art testing infrastructure

• Global Reach: Supporting projects worldwide

• Safety Excellence

• Technical Expertise: Qualified engineers and technicians

• Fast Turnaround: Efficient testing schedules to meet project deadlines

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Contact Legasea today to discuss your test and assembly requirements for subsea, surface, or renewables equipment. Our expert team will ensure your equipment is operationally ready and compliant with industry standards.