MARITIME TRADE & SHIPPING
How London’s Insurance Markets — Not Iranian Missiles — Brought the World’s Most Critical Oil Strait to Its Knees
How London’s Insurance Markets — Not Iranian Missiles — Brought the World’s Most Critical Oil Strait to Its Knees
By Okeoghene Onoriobe | Waterways News Correspondent, Lagos
When tensions flare in the Persian Gulf, the world’s gaze turns instinctively to Tehran — to its navy, its missiles, its threats to seal off the Strait of Hormuz. But the near-paralysis of the world’s most consequential maritime corridor last week was not engineered in Iran. It was decided in London. Not in Whitehall. In the offices of insurance underwriters. That is the story that most people missed.
The Strait of Hormuz, the narrow channel separating Iran’s Persian Gulf coastline from the Gulf of Oman, is the jugular vein of global energy trade. On a normal day, approximately 107 cargo vessels transit its waters — tankers laden with crude oil, LNG carriers, and general cargo ships sustaining the energy and trade needs of nations across Asia, Europe, and beyond. Last week, that number collapsed to just 19 vessels. An 81 per cent drop in traffic, achieved without a single shot fired. The weapon used was a spreadsheet.
How Maritime Insurance Controls the Seas
To understand what happened, one must first understand how global shipping actually operates. Approximately 90 per cent of the world’s commercial fleet is insured by just 12 maritime insurance clubs — mutual associations that pool risk on behalf of shipowners. These clubs, in turn, rely heavily on reinsurance markets concentrated in London, where institutions including Lloyd’s of London have dominated maritime risk pricing for centuries.
When conflict escalates in a strategic waterway, reinsurers recalibrate their war risk models. When those models conclude that the numbers no longer work, they withdraw coverage — quietly, efficiently, and with devastating effect.
A $150 million oil tanker will not move without insurance. No reputable operator will expose such an asset, and the lives of its crew, to uninsured risk. When London’s reinsurance markets pull back, ships do not sail. It is that simple.
No blockade. No naval confrontation. Just the withdrawal of a policy document.
Who Bears the Cost
The consequences of a Hormuz disruption, whether engineered by military force or financial withdrawal, fall unevenly across three major players. Iran itself is among the most exposed. Almost all of its oil export revenues depend on the strait. A prolonged shipping collapse does not merely inconvenience Tehran — it cuts off the very revenue stream that funds its strategic ambitions. The so-called “oil weapon,” in this scenario, fires back at the hand that wields it.
China faces perhaps the gravest external exposure. Beijing sources roughly 40 per cent of its crude imports through Hormuz, and absorbs approximately 90 per cent of Iran’s oil exports. Qatar’s LNG shipments to China also transit the strait. It is no coincidence that Chinese officials moved swiftly to call for de-escalation — for Beijing, the economics of a closed Hormuz are existential in the short term.
The Gulf states, too — Saudi Arabia, the UAE, Qatar, Kuwait, and Iraq — depend on the strait to move the approximately 20 million barrels of oil they collectively export each day. There is no credible alternative route. The oft-cited option of rerouting through Saudi Arabia’s East-West pipeline handles only a fraction of that volume.
A Windfall for Moscow, a Headache for New Delhi
For Russia, a sustained Hormuz disruption carries a short-term silver lining. Reduced Gulf supply drives global oil prices upward, increasing the value of Russian crude exports and making Russian oil more attractive to Asian buyers already seeking alternatives to Western-sanctioned barrels.
India’s position is more complex. The country imports approximately 85 per cent of its crude oil, much of it from the Middle East. Higher shipping costs and spiking oil prices translate directly into inflationary pressure on an economy already navigating global headwinds. India’s advantage lies in the breadth of its supplier relationships — it sources from the Gulf, from Russia, and from other producers — but sustained instability in Hormuz would exact a cost regardless.
The Real Architecture of Global Power
For maritime professionals and shipping industry observers, the Hormuz episode offers a lesson that goes beyond geopolitics. It is a demonstration of how deeply financial systems — insurance markets, reinsurance pricing, risk modelling — are embedded in the infrastructure of global trade.
The world’s busiest shipping lanes are not ultimately controlled by the navies that patrol them. They are controlled by actuaries in London who decide what risk is worth pricing and at what premium. When their calculations tip past a threshold, trade freezes — not because a warship has blocked the channel, but because no shipowner can move cargo without cover.
For Nigeria and the broader African maritime community, the lesson is instructive. As the country continues to develop its own blue economy — expanding port capacity, deepening inland waterway investment, and positioning itself within global shipping networks — understanding the architecture of maritime finance is not optional. It is essential.
Missiles create headlines. Risk models decide what actually moves.
Waterways News is Nigeria’s foremost publication covering the maritime, inland waterways, and blue economy sectors
Editor's Choice
RUSSIA’S ARCTIC OIL GAMBLE: WHAT AN ICEBREAKER FLEET TEACHES A REGION THAT STILL FIGHTS PIRATES WITH GUNBOATS
RUSSIA’S ARCTIC OIL GAMBLE: WHAT AN ICEBREAKER FLEET TEACHES A REGION THAT STILL FIGHTS PIRATES WITH GUNBOATS
By Oghenewoke Osaweren | Waterways News
Russia has just done something no country bordering the Gulf of Guinea could attempt: it built an entire alternative shipping corridor, armed it with nuclear icebreakers, and is now using it to route around the world’s most contested waters. For West African maritime observers, the story is not really about oil. It is about what state capacity buys a country when global shipping lanes turn hostile and what its absence costs one.
A CONVOY BUILT TO DODGE THE WORLD’S HOTSPOTS
More than a dozen Suezmax, Aframax and Medium Range tankers are currently transiting or staged along Russia’s Northern Sea Route, carrying crude that analysts estimate at roughly 8 million barrels, already more than half the total volume Russia moved during the entirety of last year’s four-month Arctic navigation season. The largest cluster has formed in the Kara Sea, where the Suezmax Dinasty and five Aframax tankers are holding position, likely awaiting nuclear icebreaker escort or better ice conditions before pushing east toward Asian buyers.
Independent tracking data corroborates the scale of the buildup. Vessel-tracking figures show at least seven tankers involved in Russia’s eastbound Arctic crude campaign, with five Aframax tankers and another vessel holding position while one tanker had already begun its eastbound transit, together capable of carrying roughly 5 million barrels of crude. Russia shipped 4.16 million barrels a day of crude in the four weeks to July 26, with tankers beginning to use the Northern Sea Route to China as Arctic ice retreats, part of a broader pattern of Russian crude sidestepping Red Sea risk.
THREE NUCLEAR ICEBREAKERS, ONE STRATEGIC CALCULATION
Moscow has deployed three nuclear-powered icebreakers, Sibir, Yakutiya and Ural, along the route this season, with Ural stationed near Wrangel Island, a choke point that has slowed convoys for two consecutive summers. The route shaves thousands of nautical miles off the journey between northwest Russia and Asia compared with the Suez Canal, but it is navigable to conventional tankers only for a few summer months, and even then only with heavy icebreaker support.
Russia is leaning on that seasonal window precisely because its conventional options have narrowed. The push helps Moscow sustain historically high export rates while avoiding the pitfalls of sailing through Houthi-threatened Red Sea waters, on top of continuing tension around the Strait of Hormuz and Ukraine’s demonstrated reach against Russian energy infrastructure and tankers.
It is worth noting, however, that the Arctic route has not been Russia’s unqualified success story. An analysis published earlier this year found that cargo volumes on the Northern Sea Route actually fell for the first time since 2022, dropping to 37 million tons in 2025 against an official target of 80 million tons, a reminder that ambition and icebreakers alone do not guarantee results, even for a state willing to spend billions building Arctic infrastructure.
THE GULF OF GUINEA COMPARISON NO ONE IS MAKING
Here is the part of the story West African readers should sit with. Russia’s answer to shipping-lane insecurity was to engineer an entirely new corridor, pouring state capital into a fleet of nuclear icebreakers so that geography itself becomes a strategic asset. Nigeria and its Gulf of Guinea neighbours face a comparable insecurity problem, but with none of that infrastructure to fall back on.
Piracy in the Gulf of Guinea has fallen from its mid-2010s peak, credited in part to Nigeria’s Deep Blue Project, NIMASA’s expanded intelligence and patrol capacity, and coordination among regional navies. Yet the region accounted for 92 percent of all crew kidnappings recorded globally in 2025, with 23 seafarers taken hostage, up from 12 the year before, and analysts still point to limited naval patrols and porous coastal borders as unresolved weaknesses.
Nigeria has responded this year by deepening security partnerships, including a new naval cooperation arrangement with the United Arab Emirates covering intelligence sharing, technology transfer and indigenous shipbuilding, while regional navies have moved to activate a Combined Maritime Task Force for the Gulf of Guinea.
Those are real steps. But they remain fundamentally reactive, protecting an existing corridor rather than building an alternative one. Russia’s Arctic convoy shows what the other end of that spectrum looks like, a state treating maritime routing itself as a lever of economic survival, at a cost of tens of billions of dollars and a fleet of icebreakers most nations could never justify.
THE TAKEAWAY FOR NIGERIAN MARITIME POLICY
The lesson is not that Nigeria should chase Arctic-scale infrastructure as geography and economics make that irrelevant here. The lesson is narrower and more urgent. Global shipping is entering an era where major exporters are actively re-routing around instability rather than simply insuring against it. If the Gulf of Guinea’s own security gaps persist while global shippers have more alternative corridors than ever to choose from, the region risks losing traffic not because vessels were attacked, but because they were rerouted before they ever arrived.
For a corridor that already competes with Russian, Gulf and North African crude for the same Asian buyers, that is not an abstract risk. It is a market-share question with a naval-capacity answer.
MARITIME TRADE & SHIPPING
GASLOG SHANGHAI ATTACK: HOW A DISABLED TANKER IN HORMUZ IS QUIETLY REWRITING NIGERIA’S PLACE ON THE GLOBAL GAS MAP
GASLOG SHANGHAI ATTACK: HOW A DISABLED TANKER IN HORMUZ IS QUIETLY REWRITING NIGERIA’S PLACE ON THE GLOBAL GAS MAP
Hormuz burns, Bonny profits. The paradox at the heart of the world’s most dangerous energy chokepoint
An LNG carrier lay disabled and drifting off the coast of Oman this weekend after being struck by an unidentified projectile. This is the latest casualty in a conflict thousands of kilometres from the Niger Delta that is nonetheless reshaping where the world buys its gas, and from whom.
THE STRIKE
The Bermuda-flagged GasLog Shanghai was hit roughly 11 nautical miles northeast of Oman on 31 July while transiting the strait’s southern corridor, the route where the United States provides guided passage for commercial shipping. The vessel was disabled after the strike. GasLog’s Greece-based operator confirmed the ship was hit by an unknown projectile that caused a power outage, adding that no crew members were injured and a resulting fire was extinguished.
Notably, the tanker had stopped transmitting its tracking signal on July 31 near the western entrance of Hormuz, a detail that has drawn scrutiny from shipping analysts, since it appears the vessel went dark shortly before it was struck. The UK Maritime Trade Operations authority had alerted that a vessel was struck in the strait off the Omani coast overnight, without initially identifying it; there was no environmental impact so far, UKMTO said. A separate tanker reported an explosion nearby without sustaining damage.
The attack was not isolated. The Gaslog Shanghai is the second LNG carrier owned by Gaslog to be hit in recent days. The Gaslog Salem was struck by a drone while at berth in Damietta, Egypt, at the same time as the FSRU Energos Winter on an adjacent berth. Iran has repeatedly disputed the legitimacy of the Omani transit corridor and has continued to threaten the security of vessels using the route.
WHY A STRIKE OFF OMAN MATTERS ON THE NIGER DELTA COAST
It is tempting to read this as a Gulf story with no bearing on Bonny, Brass or Warri. That reading is wrong.
The Strait of Hormuz carries close to 20% of global liquefied natural gas trade, alongside roughly 27% of the world’s maritime trade in crude oil and petroleum products. Any disruption there sends buyers scrambling for alternative supply and Nigeria, as Africa’s largest LNG exporter, sits directly in that scramble’s path.
This is not theoretical. During the earlier phase of the Hormuz crisis this year, cargo-tracking data showed Nigerian LNG shipments already being redirected toward Asia rather than their usual European destinations. Vessels including the 148,000 m³ LNG Ondo and 141,000 m³ LNG Adamawa were among the first cargoes to shift toward the Pacific Basin as Hormuz remained effectively shut, part of a broader rebalancing of global LNG flows. A Europe-bound cargo aboard the BW Brussels was reportedly diverted to Asia for the same reason.
In plain terms, every projectile that hits a tanker off Oman raises the odds that a buyer in Tokyo or Rotterdam picks up the phone to Bonny Island instead of Ras Laffan. Nigeria’s gas sector stands to gain export volume and pricing leverage from a war it has no part in. But that same exposure means Nigerian-lifted cargoes, and the waterways that feed them, inherit a sliver of Hormuz’s risk profile the moment they enter contested or opportunistic shipping lanes.
THE MARKET IS ALREADY REACTING
The Shanghai incident landed in a market still raw from a March closure of the strait that removed close to 20% of global LNG supply and triggered sharp price increases across key importing regions. Analysts have already tied this weekend’s strike to renewed volatility, with oil prices recording their biggest gains since March amid the escalating regional conflict.
For Nigerian producers and NLNG offtakers, that volatility cuts two ways. Higher benchmark prices in Asia and Europe mean stronger returns on every cargo that clears Bonny safely. But it also means heightened incentive for opportunistic actors, from pirates to protection racketeers, to test the vulnerabilities of Nigeria’s own export corridors while global attention and naval assets are stretched thin defending Hormuz.
THE UNANSWERED QUESTION
GasLog has not disclosed the full extent of the Shanghai’s damage, and it remains unclear whether the strike is linked to either of the two separate UKMTO warnings issued in the same window. What is clear is that the vessel had gone dark on tracking systems in the hours before impact — raising questions security analysts have not yet resolved about who else may have known its position, and why.
For a Nigerian maritime audience, the lesson is less about Hormuz itself than about exposure by proxy. Every barrel and every cubic metre that Nigeria ships out to fill the gap left by a wounded Gulf trade route is a reminder that this country’s waterways are no longer a regional afterthought — they are becoming a pressure valve for a global energy system under fire, whether Abuja and NIMASA have fully reckoned with that role or not.
Blue Economy
HOW WEST AFRICA BECAME RUSSIA’S FLAG OF CONVENIENCE: THE TOA PAYOH BOARDING AND THE COTONOU-TO-ISTANBUL SANCTIONS PIPELINE
HOW WEST AFRICA BECAME RUSSIA’S FLAG OF CONVENIENCE: THE TOA PAYOH BOARDING AND THE COTONOU-TO-ISTANBUL SANCTIONS PIPELINE
By Oghenewoke Osaweren | Waterways News
An Italian naval helicopter dropped a boarding team onto the deck of the tanker Toa Payoh on Sunday morning, west of the Sicilian island of Pantelleria, in a two-hour operation that briefly halted a vessel that had left the Beninese port of Cotonou on July 16 bound for Istanbul. The ship’s master reportedly resisted cooperating at first. By the time the Italian Navy’s Thaon di Revel released it, the tanker had become the latest exhibit in a maritime story that increasingly runs through African ports, not just Russian ones.
The Toa Payoh was sailing under a Cameroonian flag it had registered only days earlier. That single fact, more than the boarding itself, is what should concern readers across West and Central Africa’s maritime corridor. It is not a European story that happens to mention Africa. It is an African maritime governance failure that Europe is now policing at sea because African institutions have not closed the gap onshore.
WHAT HAPPENED OFF PANTELLERIA
Italy’s Defence Ministry said personnel from Operation EUNAVFOR MED Irini intercepted the Toa Payoh, an EU-sanctioned tanker, to verify whether it was legally entitled to fly the Cameroonian flag it had adopted. The inspection, backed by a Greek vessel and a Polish maritime patrol aircraft, was carried out under Article 110 of the UN Convention on the Law of the Sea, which permits a warship to check the nationality documents of a merchant vessel on the high seas.
Irini does not have the mandate to seize ships during these boardings, so the Toa Payoh was released once the inspection concluded. Documentation collected on board is being reviewed and could support a future sequestration by national authorities. There was no immediate response from Moscow.
This was the second such Irini boarding in under two weeks. On July 20, the same Italian patrol vessel intercepted the MV South Star southeast of Sicily, also over suspicions of false flagging. EU foreign policy chief Kaja Kallas has framed the boardings as an escalation of Brussels’ campaign against tankers that keep Russian oil moving despite sanctions imposed since the 2022 invasion of Ukraine.
THE AFRICAN REGISTRY AT THE CENTRE OF THE STORY
What Sunday’s boarding underlines, and what most coverage outside Africa has treated as a footnote, is that Russia’s shadow fleet has increasingly gone shopping for African flags. Cameroon’s ship registry grew by roughly 126 percent over the past year, driven in large part by the rapid listing of high-risk tankers tied to sanctioned Russian trade. Cameroon now ranks among the top three states associated with the shadow fleet, alongside Russia itself and Sierra Leone.
Cameroon is not alone. Registries in Benin, the Gambia, Comoros, Guinea and Sierra Leone have all seen sharp increases in registered tonnage as operators squeezed out of established flag states look for jurisdictions with weaker verification. The Toa Payoh’s own voyage traces that pattern almost exactly: it departed from Cotonou, a Beninese port, flying a Cameroonian flag it had picked up only the week before it was stopped.
Cameroonian authorities have acknowledged the problem is bigger than any single vessel. Facing EU pressure, Yaoundé has suspended new registrations for vessels operating outside its territorial waters, ordered an audit of its ship registry under the Prime Minister’s Office, and delisted dozens of vessels linked to the shadow fleet. Officials and maritime security researchers say the registry’s vulnerabilities go beyond simple negligence: some vessels are registered through opaque intermediaries who monetise the process without proper vetting, while others fraudulently claim the Cameroonian flag using stolen or forged digital documentation, sometimes with help from within the country’s own maritime administration.
WHY THIS MATTERS BEYOND SANCTIONS ENFORCEMENT
For Nigeria and its neighbours along the Gulf of Guinea, this is not simply a European sanctions story playing out far away. Every fraudulent or poorly vetted registration under a West or Central African flag carries reputational cost for legitimate shipping registered under the same flags, and it hands foreign navies justification to board vessels flying African colours in international waters. It also exposes how thin the region’s regulatory and monitoring capacity remains relative to the volume of tonnage now seeking cover under its registries.
The Toa Payoh’s captain resisting a boarding party in the Mediterranean is a dramatic image, but the more consequential failure happened earlier and closer to home: at the point of registration, where a tanker linked to a sanctioned network was able to obtain Cameroonian papers within days, and where its port of departure was a West African harbour rather than a Russian one. Until African maritime administrations close that gap, with better digital verification, tighter control over registration agents, and enforcement against forged documentation, vessels like the Toa Payoh will keep using African flags as the path of least resistance, and it will keep being European warships, not African regulators, providing the accountability.
Irini was launched in 2020 to enforce a UN arms embargo on Libya. EU governments have since widened its mandate to authorise these verification boardings, a mission creep that reflects how central the Mediterranean has become to enforcing sanctions that originate in European capitals but increasingly implicate African maritime sovereignty.
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