Ship Repair

Ship Repair

Since 1993, our parent Company Frawma Services Limited has been providing a complete package of professional ship repair and marine engineering services from our fully equipped workshops in Port-Harcourt, Nigeria.  

The services that we offer include main and auxiliary engine overhauls, grit blasting, hydro blasting, hull steel repair and renewal, pump and valve maintenance, and the repair of shafts, propellers and rudders. On average, we complete more than five main and auxiliary engine overhauls projects each month on vessels of all sizes and types. We have successfully conducted vessel engines overhauling for over 100 clients in Nigeria.

Our basic ship repair services include:

  • Engine overhauling
  • Steel fabrication (hulls and superstructures)
  • Aluminium fabrication (hulls and superstructures)
  • Hull treatments (including hydro-blasting, grit blasting and painting & coatings)
  • Repairs to pressurised vessels
  • Pipe and valve repairs
  • Electrical services

Our supervising engineers have over 20 years of experience in ship repair & maintenance and are available 24/7 to meet our customers’ requirements onboard vessels or any time at which the vessel is stationary. Our engineers are renowned for their quality of workmanship and professional attitude towards all aspects of ship repair and service.

We are available to carry out all types of engine repairs on:

  • Mak
  • Deutz
  • Niigata
  • Caterpilar
  • GM
  • Yanmar
  • Pouyoud
  • Bergen/Rolls Royce
  • British Polar
  • Detroit Diesel
  • Nohab
  • Wartsila
  • Perkins
  • Cummins
  • Mirlees Blackstone
  • Mitsubishi
  • EMD


Long Term Maintenance contracts

Frawma Services Ltd. and MARIOGAS currently has long term-agreements for ship repairs with over five major ship-owners whose combined fleets number over 50 vessels. We welcome enquiries from other ship owners and operators who wish to take advantage of this arrangement.

Marine Oil & Gas Technologies (MARIOGAS) Ltd., an offshoot of Frawma Services Ltd. is the leading and most respected Nigerian marine engineering company headquartered in the Oil and Gas/Industrial city of Port-Harcourt, Nigeria with over 20 years experience in overhauling and maintenance of all marine engines & equipment and training of highly qualified, competent and certified marine engineers & industrial technicians. Our aims are to:

  • Enable our clients procure, refurbish, maintain, and repair their marine engines and industrial equipment under a single consortium. This helps our clients to cut cost, plan and meet up their schedules and their chatterer’s demands.
  • Provide expert, competent and accredited training for marine engineers, oil and gas technical experts and industrial technicians.

Together with our parent company Frawma Services Ltd., we have earned an enviable reputation as the most competent and trusted marine engineering services company in Nigeria, having successfully completed over five hundred (500) overhauling and marine/industrial engines & equipment maintenance and repair projects totaling over 20,000 man-hours for numerous multinational clients in the Oil & Gas and Marine industries in Nigeria.

Our services include:

  • Overhauling and Maintenance of Marine/Industrial Engine and Equipment
  • Dry-docking of Vessels
  • Welding and Fabrication
  • Laser Alignment
  • Leasing of Marine/Industrial Equipment & Tools
  • Sandblasting
  • Construction of Barges and Tugboats
  • Dynamic Balancing
  • Procurement and Supply of Marine/Industrial Parts & Accessories
  • Training

We repair and maintain all types of diesel engines including CAT, GM, Cummins, EMD, Detroit Diesel, Yanmar, Wartsila, Niigata, Mak, Pouyoud, Deutz, Perkins, and Dorman. We know and understand diesel engines. We have been doing this for over 20 years.

Overhauling, maintaining and repairing marine/industrial engines & equipment, dry-docking of vessels, training marine engineers & industry technicians, sandblasting and all other aspects of Marine Engineering operations are areas where knowledge and experience really matter, so you know you will be in safe hands with MARIOGAS.

MARIOGAS is NIIMASA-accredited. We recognize that we work in a dynamic industry involving potentially hazardous equipment and operations such as welding, lifting, installing heavy equipment, building, cleaning etc. These activities demand the active implementation of comprehensive HSE policies to protect our employees and minimise the impact of our ecological footprint and we take our responsibilities with the utmost seriousness.

MARIOGAS firmly believes that our product and service quality, customer satisfaction and the success of our company are intimately connected. It is this belief that drives us to continuously seek to raise our standards to the benefit of both our customers and our reputation in the industry.
We are committed to complying with all applicable health, safety, environment and quality standards and protocols in our quest to provide quality services to our numerous clients.

Quality leadership is our utmost priority and every employee shares in the responsibility of realizing it. We hope meeting this goal will lead to continued satisfaction of our clients requiring accurate and reliable marine engineering services for cost-effective planning and decision making.



FRAWMA SERVICES LIMITED has been our Shore Base and Offshore Technical/Mechanical Maintenance Team. They also serve as our Dry Docking Maintenance Technicians. Our working relationship dates back to the year 2000.

We have always relied on their expertise in most of our dry docking repairs, overhauling and maintenance of various marine engines and equipment in our fleet. They have rendered very commendable services in the overhauling/repair of various marine engines and auxiliaries.

Some of the engines and equipment worked on are Caterpillar, Cummins, Stork, Yanmar, EMD, MTU, Detroit Diesel, Hydro-Pneumatic Steering Systems, Anchor Windlass, Reduction Gear Systems, High Pressure Hydraulic Units, etc.

I recommend their services to whoever may need them.

FRAWMA SERVICES LIMITED began working for us in the year 2008. Ever since, we have established very high degree of confidence in them. They are our reliable Technical Support Team, taking care of our engines and other machineries on our various vessels, while in operations and dry dock.

It has been pleasure working with them and we look forward to continual working together.

I have never hesitated to recommend their services to any reputable company or individual that requires Quality service.

Since FRAWMA SERVICES LIMITED was introduced to us, they have been our sole Mechanical Maintenance Team.

We operate a fleet of 4 AHTS, DP 2 vessels. The engines in our vessels range from NIIGATA, WARTSILLA propulsion engines and VOLVO generators. Other equipment of interest on some our vessels are VULKAN COUPLINGS and SCANA GEARBOXES.

We have been well satisfied with their efficient performance and most importantly, their prompt response to all our calls, including emergencies.


We are operators of Crude Oil Processing Units in ADDAX FIELD, offshore Calabar.

FRAWMA SERVICES LIMITED have been overhauling our main Marine Generators and Emergency Generators on-board our units. We have been satisfied with their efficiency and reliability.

We have enjoyed mutually beneficial business relationship together and are looking forward to more fruitful years of working together.



We are the leading and most respected Nigerian marine engineering company

Phone: +234 809 4545 884

Office: +234 813 0950 585

Location: KM 2 Eleme - Akpajo Expressway, Port Harcourt - Rivers State, Nigeria