• info@gulfofguineamarine.com
  • +233 (0) 59 535 8950
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Underwater Services

Gulf of Guinea Marine Services provides specialized commercial diving, remotely operated vehicle (ROV) operations, and underwater maintenance services throughout Ghana and West Africa.

Our specialized teams, supported by state-of-the-art equipment, deliver prompt and dependable solutions for offshore platforms, maritime vessels, port infrastructures, and industrial installations.l

At Gulf of Guinea Marine Services, we delivers comprehensive Underwater Solutions. Our Undersea Services Solutions include:

  • Underwater maintenance and repair operations  
  • Hull cleaning and vessel husbandry services  
  • Propeller polishing alongside underwater repair activities  
  • Inspection and maintenance of mooring systems and buoys  
  • Underwater construction projects  
  • Underwater welding and hot work procedures  
  • Underwater cutting and demolition tasks  
  • Inspection of pipelines and subsea cables  
  • Salvage and recovery missions  
  • Emergency diving response services available 24 hours a day, 7 days a week

Gulf of Guinea Marine Services provides specialized expertise in hyperbaric and wet welding, essential techniques for underwater construction, maintenance, and repair. This capability is bolstered by a dedicated hyperbaric testing system that ensures the quality and safety of their underwater welding operations and personnel.

Here’s a detailed overview of their services and what they involve:

Wet Welding: This is the most prevalent type of underwater welding, where the welding process occurs directly in the water. Although it is effective for numerous tasks, the quality of the weld may be influenced by the surrounding water, which cools the weld quickly.

Hyperbaric Welding: This technique is more advanced, as it creates a dry, pressurized environment around the weld site using a habitat or cofferdam. This form of "dry" welding in a hyperbaric (high-pressure) setting leads to a weld quality that is superior, comparable to those performed on the surface. It is utilized for essential structural repairs where the quality of the weld is critical.

Hyperbaric Testing System: Gulf of Guinea Marine Services operates a specially designed hyperbaric system that is integral to their welding services. This system provides a controlled environment capable of simulating the pressure and conditions found at various depths. Its main specifications include:

Lloyds Certified: This certification represents a globally acknowledged standard for quality and safety, ensuring that both the system and the procedures conducted within it adhere to strict international standards.

8-Man Saturation System: This denotes that the system is sufficiently large to accommodate a team of up to eight divers in a saturation-diving scenario, allowing them to live and work under pressure for prolonged durations.

200-meter Depth Rated: The system is capable of replicating the pressure encountered at depths of up to 200 meters, facilitating precise testing of welding techniques for deep-water projects.

Work Chamber (48” Pipe): The system features a dedicated work chamber spacious enough to fit a 48-inch pipe, making it ideal for testing welds on large-diameter pipelines and other structures.

Life Support Units: The system is outfitted with all essential life support units to ensure the divers' safety throughout the testing and training phases

Underwater Welding Capability & Compliance

Class-Approved Team with Skilled Underwater Welders

All welding operations are performed by certified commercial divers and qualified underwater welders, adhering to recognized class society and industry standards.

Rapid Mobilisation & 24/7 Availability

Welding teams are operational throughout Australia and Oceania for both planned projects and emergency repair needs.

Comprehensive, Survey-Grade Documentation in Line with Class Requirements

Inspection and welding documentation is prepared to facilitate surveyor evaluation, including weld maps, NDT findings, and condition reports.

Proven Success with Major Owners, Managers & Port Stakeholders

Relied upon by commercial operators and technical teams to provide compliant underwater welding with minimal disruption to operations.

Wide Network to Assist Customers with Urgent Deadlines

Resources are strategically located for effective mobilization to urgent repairs and scheduled maintenance periods.