N-Sea

Inspection Repair and Maintenance

We assess the state of the subsea structures inspection campaigns.

"We assess the state of your subsea assets during the entire lifecycle: from pre-installation phase to maintenance through to decommissioning."

INSPECTION

N-Sea performs subsea asset inspections campaigns across the renewables industry. Supported by our team of specialist, we are also highly experienced in the inspection of oil and gas platforms, pipelines, and cables. These operations are performed by divers and ROVs depending on the working depth, task requirements. 

DATA CENTRE

N-Sea’s Data Centre provides processing, analysis, reporting and solution services which enable our clients to make safe decisions about their subsea assets.

Data Centre Services:

  • data processing and analysis
  • cartography
  • report writing
  • geophysical interpretation
  • tailor-made GIS services 

N-Sea’s Data Centre provides information in both analogue and digital format that can be used during each phase of a project. 

“WE ASSESS THE STATE OF THE SUBSEA STRUCTURES (OIL AND GAS PLATFORMS, PIPELINES, CABLES, WIND FARMS, ETC) INSPECTION CAMPAIGNS.”

Repair and maintenance

Based on the acquired results and our client’s needs we will advise you on the optimal repair methodology which will be followed by the provision of the required maintenance and repair services which are often part of an IRM work scope.

We deliver maintenance plans that are in accordance with the classification society and the result of the project execution will have a minimum impact upon your production. Upon request, a diving team and a ROV spread can be mobilised swiftly for general or damage-specific underwater inspection.

Different repair methodologies may include:

  • wet welding
  • use of a habitat and cofferdam
  • grouted, mechanical and tecmar clamps
  • specialist engineering solutions
  • cable repair
  • subsea composite repair
  • pipeline repairs/stabilisation
  • anode repairs/retrofit
  • riser and midwater arch repairs

N-Sea apply an integrated approach to project execution, which allows us to handle project management, procurement, design, and engineering. We take care of it all reducing the client’s workload. The result: safe and efficient delivery you can trust.

  • Pipeline and Cable Inspection
  • Depth of Burial Survey
  • Subsea Infrastructure
  • Inspections
  • Freespan Correction
  • Diving Capabilities
  • ROV Capabilities.

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