WIDSON 50

General Information

Flag	Russian Federation
Year built	2025
Port of registry	Big Port of Saint Petersburg
Platform type	Self-elevating floating offshore platform
Class	KE (*) R2-RSN MOP (self-elevating)

Tank Capacities

Fuel, m³	diesel fuel, up to 5.5
Oil, m³	3.7
Fresh water, m³	5.5
Technical water, m³	14.7
Drilling fluid preparation tank, m³	4
Wastewater, m³	2.8

Anchoring Equipment

Three 14.7 kN anchor winches; three anchors weighing 240 kg each; three steel wire ropes, 200 m each

Power System

Main power source: SB-HW4.D-50 generator, 62.5 kW, 400 V, 50 Hz

Emergency power source: 18 rechargeable batteries rated at 12 V and 200 Ah, providing power to all essential platform systems for 18 hours.

Hydraulic power unit: eight double-acting hydraulic cylinders with a stroke of 1,200 mm, an operating pressure of 20 MPa, and a total lifting capacity of 225 tonnes.

Safety and Fire Protection

The platform is equipped with modern fire-protection systems and occupational safety equipment that comply with Russian and international regulations.

The life-saving, radio, navigation, and signalling equipment fully complies with the Rules of the Russian Maritime Register of Shipping, the 2009 MODU Code, and the 1972 International Regulations for Preventing Collisions at Sea (COLREGs).

Additional Equipment

Accommodation module based on a standard 20-foot container

Overall length, m	18.0
Overall beam, m	14.0
Moulded depth, m	1.50
Draught, m	1.14
Light draught, m	0.7
Displacement, t	180
Deadweight, t	50
Gross tonnage	85
Towing speed, knots	5
Special personnel	8 persons
Endurance	Provided by a support vessel
Deck load	3 t/m²
Design features	Demountable modular structure consisting of seven main modules and four jack-up leg modules. The modules are connected using special reusable locking systems. Seven modules: 12 m × 2.5 m; two modules: 7.5 m × 2.5 m; four leg-column modules: 2.5 m × 2.5 m.
Support legs	Four three-section legs with a total length of 30 m and four 1.5 m spud piles with bolted connections. The spud piles and support-leg sections can be extended.
Platform assembly time, days	2 days (10 persons, onshore or afloat)
Deck area	Approximately 150–180 m² in the standard configuration. The deck area can be increased by removing or repositioning the accommodation module and equipment, depending on the requirements of a particular project.

Operations using a URB 2A2 drilling rig or equivalent during geotechnical surveys for port infrastructure projects, including berths and approach channels.
In-situ soil investigations using static cone penetration testing during geotechnical surveys for port infrastructure projects, including berths and approach channels.
Operations using a URB 2A2 drilling rig or equivalent in offshore areas, including jack-up rig locations and pipeline shore approaches.
In-situ soil investigations using static cone penetration testing in offshore areas, including jack-up rig locations and pipeline shore approaches.
Dredging operations, including sediment removal using an excavator weighing up to 25 tonnes.
Dredging operations, including sediment removal using a mobile crane and a submersible pump.
Inert material placement operations.
Drilling and blasting operations.
Installation of a diving station and decompression chamber on the platform for underwater engineering operations.

Platform Transportation

Rail, road, and sea transportation without exceeding standard transport dimensions

Our approach —
engineering for real-world challenges

We develop modular solutions for the construction, modernisation, and operation of hydraulic engineering facilities. We design platforms and infrastructure for specific operating conditions and customer requirements.

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WIDSON 50

General Information

Tank Capacities

Anchoring Equipment

Power System

Safety and Fire Protection

Additional Equipment

Platform Transportation

Our approach —
engineering for real-world challenges

Have questions? Submit a request and we will contact you.

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WIDSON 50

WIDSON 50

General Information

Tank Capacities

Anchoring Equipment

Power System

Safety and Fire Protection

Additional Equipment

Platform Transportation

Our approach — engineering for real-world challenges

Related Products

Docks

Pontoons

Floating Pumping Stations

Have questions? Submit a request and we will contact you.

Phone

Email

Address

Submit a Request

Our approach —
engineering for real-world challenges