Vessel Chartering

Demerion Energy Group provides chartering and marine logistics solutions connecting Guyana’s inland resources, coastal infrastructure and offshore energy sector with domestic and international markets.

Our chartering activities are divided into three principal vessel segments: river barges, bunker-supply vessels, and deep-water crude oil tankers.

River Barges

Efficient Bulk Transport on the Essequibo River. River barges provide an efficient method of transporting large volumes of aggregate, quarry stone, construction materials, equipment and fuel through Guyana’s inland waterway network. Barges are generally moved by a tug or pusher vessel and can access river-loading facilities that are unsuitable for larger ocean-going ships.

On the Essequibo River, aggregate barges can carry up to approximately 2,500 tonnes of stone per voyage, depending on the barge’s dimensions, permitted draft, river conditions and loading restrictions. This allows a single barge movement to replace a significant number of individual truck journeys.

Demerion’s proposed river logistics model connects quarries and mining operations in Guyana’s interior with offloading locations at Parika, Georgetown and other coastal distribution points. Barges can transport crusher run, graded aggregate, boulders, road-base material and other bulk products before the cargo is transferred to trucks for final delivery.

Chartering Structures

Demerion can arrange barge transportation through several commercial structures.

Spot Charter

A spot charter covers a single voyage or immediate cargo requirement. The vessel is contracted to transport an agreed quantity of cargo between specified loading and discharge locations for an agreed freight rate. Spot charters provide flexibility for individual projects, seasonal requirements or urgent movements.

Time Charter

Under a time charter, the charterer hires the vessel for an agreed period and directs its commercial employment within the permitted trading area. The owner normally remains responsible for the vessel’s crew, technical management and maintenance, while the charterer pays hire and generally covers voyage-related costs such as fuel and port expenses. A time charter is suitable for businesses requiring regular access to dedicated barge capacity.

Contract of Affreightment

A Contract of Affreightment, commonly known as a COA, commits the vessel owner or operator to transport an agreed volume of cargo over a defined period. The contract is not necessarily tied to one named vessel. Instead, the owner provides suitable tonnage to complete a programme of shipments between agreed locations. This structure is particularly suitable for quarry production, road-building programmes and other long-term aggregate supply contracts.

Bunker-Supply Vessels

Fuel Supply for Guyana’s Mining and Industrial Sectors

Guyana’s mines, quarries and inland infrastructure projects require dependable supplies of diesel, fuel oil and other petroleum products. Demerion is developing a marine fuel-distribution model that combines deep-water storage with shallow-draft river transportation.

A Medium Range, or MR, product tanker is generally a vessel of approximately 45,000–55,000 deadweight tonnes. These vessels are used internationally to transport refined petroleum products and can provide substantial floating storage capacity.

Under Demerion’s proposed model, an MR tanker could be positioned at an approved deep-water anchorage off Guyana’s coast, operating as a floating storage and supply platform. Fuel would be imported in bulk, stored aboard the vessel and transferred in controlled parcels to smaller bunker barges or coastal tankers.

The smaller vessels would then transport fuel through the Essequibo River system to inland storage depots, mining operations, quarries and industrial customers.

An MR tanker configured for fuel oil may operate as a dirty petroleum product, or DPP, tanker. Where the intended cargo is diesel or marine gasoil, the nominated vessel must instead meet the appropriate clean-product standards. The final vessel specification would therefore depend on the fuel grade, storage requirements, tank preparation and applicable environmental and safety regulations.

Demerion’s role may include:

Vessel sourcing and commercial negotiation
Time-charter or storage-contract arrangements
Technical and counterparty vetting
Fuel-volume and delivery planning
Anchorage and port coordination
Ship-to-ship transfer planning
Barge scheduling and inland distribution
Operational and compliance support

This structure creates a scalable connection between international petroleum markets and the fuel requirements of Guyana’s interior economy.

Deep-Water Tanker Chartering

VLCCs for Crude Oil Exports

Guyana’s crude oil is produced offshore through Floating Production, Storage and Offloading vessels, known as FPSOs. Crude is stored aboard the FPSO before being transferred offshore to a nominated tanker for delivery to the buyer.

The first three producing units were Liza Destiny, Liza Unity and Prosperity. They were joined in August 2025 by ONE GUYANA, the FPSO serving the Yellowtail development, bringing Guyana’s producing fleet to four units and installed production capacity above 900,000 barrels per day.

Demerion supports the chartering of Suezmax and Very Large Crude Carrier vessels for these offshore crude movements.

Suezmax Tankers

A Suezmax tanker generally ranges from approximately 125,000 to 200,000 deadweight tonnes and can typically carry around one million barrels of crude oil. Suezmaxes combine substantial carrying capacity with greater trading flexibility than larger VLCCs. They are well suited to individual Guyanese crude parcels and medium- to long-haul voyages across the Atlantic Basin.