ROV & Subsea

ROV inspection

To raise the level of safety, reduce costs and vessel traffic

With our extensive experience of ROV (Remotely Operated Vehicle), we can assist a wide range of marine tasks using ROV fleet.

We have custom-built our ROVs using tools and sensors for our light to medium size Work Class ROV systems to ensure that we select the best equipment to minimize downtime. With our in-house testing pool, we are also able to proof test all operations onshore prior to deployment offshore.

We continuously develop and introduce new equipment to expand the operational capabilities of our ROV’s for us to offer maximum value to our customers.

Once the lifting basket is hoisted to the working platform, the two operators will rapidly mobilize the ROV and control system. In just 20 minutes the complete system is ready for use.

Our highly trained ROV operators will document all findings during the inspection and report the findings back immediately.

The operators edit a separate video for each turbine with accurate position logged video inspections which ensure a traceable documented inspection.

Our capable ROV can be delivered to the site on a transfer vessel and lifted to the work platform using the davit crane and small lifting basket. This eliminates the need for large support vessels and expensive fuel charges.

Marine Growth Preventer

Powered by wave energy

The MGP (Marine Growth Preventer) rings offer a permanent solution for control of Marine Growth. A clean surface is maintained since the rings are specially designed to withstand the rough environment in the splash zone and subsea.

The MGP rings both remove existing marine growth and prevent their regrowth, where it is most prolific. They are used for monopiles, vertical diagonals and vertical members including conductors, risers, caissons and jacket legs.

Simple, reliable & low-cost 

Marine Growth Preventer rings are a reliable and low-cost engineering solution, powered solely by waves, current forces and its buoyancy. The repeated up and down motion powered by wave energy prevents the settlement and formation of biofouling and keep the surfaces free of marine growth.

The MGP rings are a great example of technology and nature working effectively together to strengthen and protect offshore installations.

Each MGP ring consists of modular plastic components linked by pivotal connections. This enables the size of the MGP rings to be easily modified to accommodate structures of any diameter. The MGP rings can be linked together by vertical plastic linkages, forming a durable and flexible framework, and then called MGP multiple rings.

SubC Partner is IEV's distributor of MGP rings in Denmark and Germany. 

A cost-effective solution for existing and new structures

The MGP rings can easily be assembled and connected around the structural members.

Once they are deployed, the rings operate instantly by the natural force and no future intervention is necessary.

Two types of products 

There are single and multiple ring types; designed to different environmental conditions and locations.

In areas, with less current, the MGP rings are driven by waves and its buoyancy. In areas, with high current, a cup driven MGP ring is foreseen.

MGP single ring

The MGP single ring protects inclined components at all water depths and of all orientations provided that there is a suitable free stroke.

MGP multiple ring 

The multiple MGP ring consists of a number of identical MGP rings inter-connected by vertical linkages.

The number and length of the rings are variable and depend on the different conditions, free stroke and dimensions of the members to clean. SubC Partner has been appointed as licensed agents by IEV Group.

Anode Repair Solution

The Subsea Anode Repair Solution is developed to repair cathodic protection for submerged structures

Our advanced Anode Repair concept delivers highly cost-efficient and low-risk solutions for life extension purposes and repairs cathodic protection for submerged structures. This solution can save up to 75% in costs compared to the expensive alternative technical solutions and diving operations.

The concept

Our advanced concept can be adapted for any size and shape of anodes, whether the surface is mounted or welded, and offers a very fast anode exchange procedure, which avoids diver intervention and can be undertaken in extreme weather conditions. All is done according to certification from DNV GL.

We can provide the full offshore installation, or if preferred the basic setup for the installations. 

Subsea Anode Repair Solution using ROV

We have developed a better solution for repairing degraded anodes on offshore structures, pipelines and foundations. Learn much more in the video.

The video shows a standard ROV equipped with a bespoken tool that picks up a new anode from a rack in the vicinity of the target. The ROV flies to the target, the tool adjusts to fit the actual orientation of the degraded anode, the ROV moves towards the target, the new anode is clamped on the supporting steel of the degraded anode, and then turns to retrieve the next anode to be installed. The process runs very efficiently and safely, and the actual clamping process takes around 5 minutes. This makes it a highly cost-efficient and low-risk solution. 

DNV GL

The anodes and clamps are designed for the most extreme conditions according to DNV GL for the North Sea area, in compliance with the codes: DNV-OS-C101, DNV-RP-C205, and DNV-RP-B401.

Each type of clamp is tested for 10 years full-scale load cycles; corresponding to more than 36 million loads cycles.

The actual loads and electrical resistance are recorded and verified for each load. The electrical resistance is verified to be below 100 mΩ to confirm the mechanical and electrical functionality over a lifetime.

Riser Buoyancy Module Repair

With our flexible riser buoyancy module repair solution and our skilled team, SubC Partner can - in a short time - develop a concept, carry out detailed design work, and manufacturer a system for your riser buoyancy module problem.

A safe and cost-effective system

We have developed a cost-effective system for performing such operation using our ROV to eliminate production loss and the need for diving personnel - we care about safety and human life. 

To eliminate any risks and problems, we are conducting comprehensive simulation for every project, which allows us to test the system in real-life conditions.

Gas sampling with ROV

When a gas leakage from the seabed is revealed, it is important to establish the source of the gas to understand the vessel and integrity of well barriers.

We have developed a gas sampling tool based on our extensive ROV experience. This efficient and low-cost solution is operated by ROV, therefore it can be conducted from both fixed and floating facilities.

The gas sampling system makes gas extraction easy and safe. When the ROV is on to the position, it will hover over the gas source and collect the gas. Then, the funnel is filled with gas, the ROV pilot activates the solenoid valve, and the gas will flow into the container vessel.