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We proudly serve a broad range of clientele including the leading oil majors, offshore contractors and state-owned oil companies, providing underwater maintenance and repair services to drilling rigs, semi-sub operators, FPSO owners, flotels, and more.

With over 200 full-time diver-technicians, supported by project managers and specialist engineers, we have the depth of in-house expertise to safely handle a wide range of maintenance and repair tasks. We undertake this in full class compliance and cooperation with overhaul specialists around the world to provide a simple, complete safe turn-key solution for your project, minimizing down-time and any associated costs.  

Subsea Global Solutions is well known for generating direct savings in scheduled thruster overhauls and repairs, with de-mounting and re-mounting via our proprietary technology thereby minimizing the cost and time required.

In addition, as the leading underwater class A wet-welding specialists and underwater project managers we can also provide asset integrity repair work for assets to deliver strategic, long-term life-time extension repair projects on older FPSO’s and other units in locations like Africa, Brazil, the Caribbean, Americas, Singapore and Asia-Pacific.  Helping our clients to extend the safe and useful utilization time of their assets (via fully class approved permanent wet-welding techniques) and avoiding allocation of high capex budgets for asset renewals.

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Subsea Global Solutions provide underwater maintenance and repair services to your marine assets. Contact us to request a service quote today!
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Specialized Underwater Maintenance and Repairs

Subsea Global Solutions is also able to offer our specialist underwater ROV hull cleaning and inspection services for the offshore floating production sector. Using in-house proven technology, we have cleaned offshore FPSO and FSO units in Africa and other locations, over a wide range of biofouling conditions- both micro and macro-fouling.  

This ROV hull cleaning can also serve as a useful condition monitoring role and this can often be combined with other services like class in-water survey inspections by either diver or inspection ROV services, anode replacement maintenance, or repairs to overboards like sea chests or scrubbers.

In the event you have an offshore underwater requirement  that is not mentioned above, please contact us to discuss your specifics.

Underwater Demountable Thruster Exchanges

Learn how Subsea Global Solutions performs underwater thruster exchanges and repairs.

Case Studies

Hull Breach on Tanker

During cargo operations, a submerged pile pierced through the hull. Subsea Global Solutions worked together with owner and class to develop repair plan that included the design and installation of an engineered cofferdam.

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Offshore Oil & Gas

A Blue-Chip oil & gas company incurred several defects and cracks in a critical attachment member of an FPSO’s hull – these defects required repair to allow continued operation.

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Skeg Ripped from Azipod

3 month out of dry dock, galvanic corrosion caused heavy cavitation/erosion damage on PORT and STBD side rudders.

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Subsea Global Solutions Reseats Shifted Tailshaft Afloat and Executes a Stern Seal Repair

The client indicated that the tailshaft had shifted aft approximately 200 mm when the ship’s crew was doing maintenance on the shaft coupling. It resulted in the aft water seal losing contact with the liner, causing large amounts of water ingress into the stern tube.

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Subsea Global Solutions Completes an Afloat Rudder Stock Seal Replacement

This complex underwater repair was completed to the client's satisfaction in 5 days in conjunction with various other repair works. Subsea Global Solutions managed both the underwater and internal portions of this repair to ensure each phase was executed seamlessly.

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Underwater Propeller Blade Straightening – Cold Static Loading

Subsea Global Solutions can restore your propeller blades as a permanent repair, to OEM design geometry by cold static loading with our underwater propeller blade press.

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Double Bow Thruster Removal by Subsea Global Solutions

The benefits of removing a damaged bow thruster afloat are many. The customer was able to prevent further damage to the bearings and gears caused by the presence of seawater in the gear housing and the procedures allows the units to be overhauled prior to the vessels next dry-dock—or, they can be re-installed afloat by Subsea Global Solutions, which would help to eliminate the need for additional tug cost.

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Afloat Bow Thruster Blade Seal Exchange by Subsea Global Solutions

The project was executed with two Subsea Global Solutions teams working around the clock. While the vessel trimming process was in motion, the team onboard the vessel began to drain the oil from the thruster while the dive team began removing the bow thruster tunnel gratings to gain full access to the bow thruster.

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Scrubber Overboard Spool Pipe Repairs with 5 Year Warranty

The installation of complete SOx scrubber systems is entirely possible without taking the vessel out of the water. Subsea Global Solutions' involvement is focused on precision cutting of the hull penetrations for the sea chest openings and overboard spool pipe installation below the waterline.

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Subsea Global Solutions solves serious problems: Assisting a large, fully laden post-Panamax container vessel with steering issues

Subsea Global Solutions solves serious problems: Assisting a large fully laden Post-Panamax container vessel with steering issues. Subsea Global Solutions works with port authorities, class, and manufacturers to provide class-approved in-water float out removal, repair, and refit of a 110 mt rudder. Find out how our underwater inspection and survey services deliver practical, cost-effective solutions to a complex offshore problem. Subsea Global Solutions works with port authorities, class, and manufacturers to provide class-approved in-water rudder float out removal, repair, and refit of a 110 mt rudder. Helping owners safely reduce their risk exposure and related costs that would include diversions, delays, and downtime.

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Galvanic Corrosion on Rudders

3 months out of dry dock, galvanic corrosion caused heavy cavitation/ erosion damage on PORT and STBD side rudders.

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Expert Services For the Offshore Oil & Gas Industry

In this difficult environment, Subsea Global Solutions has been supporting its clients operating in this industry through generating direct savings in scheduled thruster overhauls and repairs, their de-mounting and re-mounting via our proprietary technology thereby minimizing the cost and time required.

We also perform strategic, long term life-time extension repair projects on older FPSOs, helping our clients to extend the useful utilization time of their assets (via fully class approved permanent wet-welding techniques) and avoiding allocation of high capex budgets for asset renewals.

Offshore Oil & Gas

Hull Cleaning

With over 200 full-time diver-technicians, supported by project managers and specialist engineers, we have the depth of in-house expertise to safely handle a wide range of maintenance and repair tasks. We undertake this in full class compliance and cooperation with overhaul specialists around the world to provide a simple, complete safe turn-key solution for your project, minimizing down-time and any associated costs.  

Subsea Global Solutions is well known for generating direct savings in scheduled thruster overhauls and repairs, with de-mounting and re-mounting via our proprietary technology thereby minimizing the cost and time required.

In addition, as the leading underwater class A wet-welding specialists and underwater project managers we can also provide asset integrity repair work for assets to deliver strategic, long-term life-time extension repair projects on older FPSO’s and other units in locations like Africa, Brazil, the Caribbean, Americas, Singapore and Asia-Pacific.  Helping our clients to extend the safe and useful utilization time of their assets (via fully class approved permanent wet-welding techniques) and avoiding allocation of high capex budgets for asset renewals.

Specialized Underwater Maintenance and Repairs

Subsea Global Solutions is also able to offer our specialist underwater ROV hull cleaning and inspection services for the offshore floating production sector. Using in-house proven technology, we have cleaned offshore FPSO and FSO units in Africa and other locations, over a wide range of biofouling conditions- both micro and macro-fouling.  

This ROV hull cleaning can also serve as a useful condition monitoring role and this can often be combined with other services like class in-water survey inspections by either diver or inspection ROV services, anode replacement maintenance, or repairs to overboards like sea chests or scrubbers.

In the event you have an offshore underwater requirement  that is not mentioned above, please contact us to discuss your specifics.

Expert Services For the Offshore Oil & Gas Industry

In this difficult environment, Subsea Global Solutions has been supporting its clients operating in this industry through generating direct savings in scheduled thruster overhauls and repairs, their de-mounting and re-mounting via our proprietary technology thereby minimizing the cost and time required.

We also perform strategic, long term life-time extension repair projects on older FPSOs, helping our clients to extend the useful utilization time of their assets (via fully class approved permanent wet-welding techniques) and avoiding allocation of high capex budgets for asset renewals.

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