Subsea Global Solutions was engaged to perform an emergency underwater shaft seal repair on a mid-size cruise vessel docked in Eleusis, Greece.

When a vessel experienced a significant shaft seal leak, Subsea Global Solutions mobilized rapidly to perform a full seal replacement—without a dry dock or habitat—ensuring minimal downtime and maximum efficiency.

Faced with a critical shaft seal leak, Subsea Global Solutions performed an afloat repair at the Galveston City Docks—overcoming logistical delays and environmental challenges to restore the vessel without dry docking.

Following a major Gulf of Mexico hurricane, Subsea Global Solutions delivered rapid-response underwater inspection and multi-phase repairs to a storm-damaged vessel—completed safely, efficiently, and to class standards.

A major marine contractor required expert diving support for the installation of a structural cap at a floating drydock mooring facility located within a restricted-access naval base in San Diego. The operation involved precision underwater cutting, structural steelwork placement, and integration with concrete construction, all under tight schedule and engineering constraints.

Subsea Global Solutions was called upon to perform a critical underwater stern seal exchange on a tanker docked in Curacao. Facing significant oil leakage, the client urgently needed a trusted partner with the expertise and resources to complete the repair efficiently, safely, and without disrupting the vessel's schedule.

Subsea Global Solutions completed a critical in-water steering seal repair on a cable vessel in San Diego. Our team rapidly designed, fabricated, and installed a custom packing gland housing, ensuring minimal downtime and keeping the vessel on schedule.

Subsea Global Solutions successfully completed an emergency salvage and retrieval operation at a critical water reservoir in Los Angeles for the LADWP. The reservoir plays a critical role in the region’s water distribution network, making its restoration an urgent priority to ensure reliable water availability for essential operations and infrastructure.

Subsea Global Solutions was tasked with completing a routine propeller polishing and hull inspection for a commercial vessel docked at the Port of Palm Beach. This service, part of the vessel’s ongoing maintenance schedule, ensured optimal performance and efficiency.

When a roll-on/roll-off ship (RO-RO) required an immediate thruster installation and rudder bushing repairs, Subsea Global Solutions stepped in to deliver a seamless in-water solution.

Discover how Subsea Global Solutions expertly repaired a corrosion hole in an offshore supply vessel’s bilge tank. Our Trinidad team delivered a class-approved shell plate replacement, restoring the 90-meter vessel to full operational readiness with minimal downtime.

Discover how Subsea Global Solutions swiftly resolved propeller damage for a heavy-load carrier in Palm Beach, restoring performance and efficiency with precision repairs.

In 2024, Subsea Global Solutions completed a complex overhaul of eight thrusters on the La Muralla oil rig, led by our Curaçao-based team, ensuring the rig's peak performance through rapid, on-site servicing.

In response to a vessel grounding in Freeport, Bahamas, Subsea Global Solutions swiftly mobilized a team of 15 technicians from multiple locations, efficiently securing damaged tanks and enabling the vessel to resume operations, exceeding client expectations through precise coordination and daily updates.

Class approved shell plate underwater damage repairs to offshore semi-submersible platform without drydocking.

Another happy client back to business: 3800 CPM of sand & silt dredged in a short time window, and under budget! Read the full case study here.

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.

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.

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

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

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.

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.

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.

Design flaws together with poor workmanship caused the bilge keel to fracture during operation in several locations. Subsea Global Solutions worked together with the owner and Class to perform permanent underwater wet weld repair on the fractures, without interrupting the production.

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.

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.

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.

The client was in need of a turn-key—class approved—permanent repair. This included a single contractor that would manage the internal technical repair team, commercial diver team, prefabrication of the new spool pieces with flanges, final application of the 5-year warranty POLYFLAKE protective coating to 3000 microns on the new spool pipes, and achieving final class approval for the full repair procedure.

Subsea Global Solutions successfully repairs hull fracture in the way of the bilge keel. Trust our expertise for reliable and efficient hull repairs. Learn more today.

Successful completion of afloat rudder stock seal replacement by Subsea Global Solutions. Trust our expertise for reliable and efficient seal replacements.

Subsea Global Solutions restores the heavily corroded rudder to optimal condition. Trust our expertise for effective and reliable rudder restoration services. Learn more today.

Subsea Global Solutions straightens damaged propeller blades in a single 12-hour shift. Trust our efficiency and expertise for propeller repairs. Learn more now.

Efficient removal of anchor chain debris by Subsea Global Solutions before the vessel's planned departure. Trust our expertise for timely and reliable debris removal services.

Subsea Global Solutions started its underwater repair process by establishing load-rated rigging points above the propeller using 4F Class A wet welding procedures to allow safe new replacement propeller blade transfer of the propeller blades.

Subsea Global Solutions mobilized 2 teams composed of 14 expert diver technicians to execute the various projects in less than 35 days from Long Beach, Port Angeles, and Miami.

Subsea Global Solutions rapidly repaired a leaking aft shaft seal, restoring vessel operations quickly and avoiding costly downtime.

Subsea Global Solutions delivers turnkey scrubber installations without drydocking. Reduce emissions and stay compliant with minimal vessel downtime.

Learn how SGS performs stern tube and shaft seal replacements underwater minimizing downtime and avoiding costly drydocking.

Subsea Global Solutions completed a complex aft shaft bearing repair in Hong Kong proving no challenge is too difficult for our underwater repair experts.

: From cropping to polishing, Subsea Global Solutions delivers precision propeller repairs worldwide, restoring performance and efficiency fast.

Subsea Global Solutions completed a successful twin shaft seal repair in the South Pacific minimizing downtime with expert underwater solutions.

Subsea Global Solutions divers performed a stern seal repair on a bulk carrier in Romania, delivering safe, efficient results without drydocking.

Subsea Global Solutions conducted a major biofouling cleaning campaign in Korea, improving vessel efficiency and reducing fuel consumption.

Subsea Global Solutions divers executed a complex underwater oil leak repair on a ferry in Canada, showcasing precision and compliance in marine repair solutions.

By utilizing a multi-stage polishing process and diver / technicians trained in the proper analysis of the propeller condition, Subsea Global Solutions' process has proven to be an integral part of fuel efficiency programs. The benefits of maintaining a polished propeller have been known for years, but what has not been known is "how smooth is smooth"?