Ukraine Identified Russian Energy Shadow Fleet Vessels
Defense officials tracked 20 ships allegedly used to bypass international sanctions on Russian energy exports.
Updated on Oct. 10, 2026 in Oil and Gas
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Ukraine's Defence Intelligence Directorate has identified a shadow fleet of 20 vessels used by Russia to export crude oil, petroleum products, and liquefied natural gas. The agency is calling for international partners to block these sanctioned ships from accessing foreign shipyard services.
Why it matters
This identification highlights the ongoing struggle to enforce energy sanctions, as Russia utilizes complex logistics networks to maintain revenue streams. Blocking access to international shipyards could significantly hinder the ability of these vessels to remain operational.
The report identified 20 seagoing vessels currently part of the Russian energy export network. This list includes specific carriers like the PORTOVYY, identified by IMO number 9246621, and the AVACHA, identified by IMO number 9319404.
The players
Defence Intelligence Directorate
This Ukrainian government agency is responsible for gathering and analyzing military and strategic intelligence.
Gazprom
This is a major Russian multinational energy corporation majority-owned by the Russian state.
Tudor Maritime Ltd
This maritime entity acquired several vessels in 2026 that were later linked to Russian gas transport operations.
The details
The vessels AVACHA and CHAIVO were purchased by Tudor Maritime Ltd in spring 2026 and are managed by Kryoline Management. These ships, along with the PORTOVYY, have been under scrutiny for their roles in transporting energy products to ports including Beihai and undergoing maintenance at international facilities like the Zhoushan Huafeng Shipyard.
Timeline
Gazprom acquired the vessel PORTOVYY in 2021.
Tudor Maritime Ltd purchased the AVACHA and CHAIVO in spring 2026.
The PORTOVYY departed the Gulf of Finland on 15 August 2026.
The AVACHA and CHAIVO began transporting gas to Beihai in August 2026.
Market Landscape
This identification follows a pattern set by international sanctions on Russian energy exports. The move targets the logistical infrastructure required to maintain global trade, reflecting a broader effort to tighten enforcement against Russian energy revenue.
The effort to sanction these vessels may lead to increased scrutiny and potential delays for energy shipments globally. Consumers and businesses should be aware that such actions could influence the operational costs of energy transport through specific international shipping lanes.
The takeaway
The use of shadow fleets underscores the difficulty of implementing global trade restrictions in the maritime sector. Vigilance in monitoring vessel ownership and maintenance records remains a primary tool for international authorities attempting to enforce compliance.
Further reading
For more on the international energy trade, see the Oil and Gas section.
More information
Access the War&Sanctions portal vessel details to view the full list of tracked ships.
Source note: This article includes information reported by LB.
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