Global Oil Reserves at Record Depletion Amid Supply Disruptions
According to Morgan Stanley, commercial oil reserves are shrinking at a record pace of 4.8 million barrels per day. Analysts warn that reserves could reach a critical "operational minimum" within the next few months.
The Invisible Barrel: Why the World Is on the Brink of a Fuel Collapse No One Expected
What's Really Happening
Morgan Stanley's report on record reserve depletion of 4.8 million barrels per day is not just alarming statistics. It signals a fundamental breakdown of the global oil security system built over decades. This is not merely about a deficit but about approaching the so-called "operational minimum" — the point at which oil in storage can no longer be physically extracted and pumped through pipelines. We are entering a zone where the market ceases to be a market and becomes a geopolitical distribution mechanism.
The key issue missed by superficial commentators: depletion affects not only crude oil but also petroleum products. Nearly 40% of the decline came from gasoline, diesel, and jet fuel. This is where the situation is most critical. US distillate stocks fell to their lowest since 2005, gasoline to the lowest seasonal level since 2014. Jet fuel in the European ARA hub dropped 4.7% in the last week of April alone, hitting a low since March 2020. This is not a statistical aberration — it is a harbinger of physical fuel shortages during the peak summer season.
Timeline and Context
From March 1 to April 25 — the period analyzed by Morgan Stanley — the world lost access to approximately 920 million barrels of supplies from the Persian Gulf, or about 15 million barrels per day, according to Energy Intelligence based on Kpler data. The Strait of Hormuz, through which a fifth of global oil consumption normally passes, was almost completely blocked. Even tankers that risk passage do so with enormous insurance premiums, making voyages economically unfeasible.
Two months was enough to consume all the market's "fat reserves." TotalEnergies CEO Patrick Pouyanné last week cited a figure: by the time supplies resume, the world will have burned about 1 billion barrels from reserves. And this is with Hormuz not yet reopened.
IEA Director Fatih Birol spoke in Toronto on May 8, making a statement that by diplomatic standards can be considered panicked: markets have entered "troubled waters," volatility will become the new norm, and the agency is ready for additional releases from strategic reserves beyond the 20% already used.
Winners and Losers
The US wins — but only at first glance. American producers have become the world's "supplier of last resort." Exports have soared to historic highs. Shale companies are recording record margins: with Brent at $106 and production costs in the Permian Basin around $35 per barrel, each day brings them roughly $500 million in net additional profit.
But there is a downside. US domestic gasoline stocks are declining at alarming rates: down 2.5 million barrels for the week ending May 1, on top of a 6.1 million barrel drop the previous week. Inventories at 219.8 million barrels are 4% below the five-year average. Morgan Stanley predicts they will fall below the historic 200 million barrel mark by the end of August. Drivers on the East Coast will see $5 per gallon prices by July — eight months before the midterm elections.
China loses. Beijing is overpaying for oil imports by about $340 million per day above pre-war levels. China's strategic reserves, estimated at 900 million barrels, are being drawn down at a rate of 1.4 million barrels per day — meaning that by November, reserves could halve if Hormuz does not reopen.
Europe is the main victim. The Amsterdam-Rotterdam-Antwerp hub, the largest in the region, is losing stocks faster than any other region. BASF, Dow Chemicals, Covestro — all have announced production cuts. The eurozone industrial PMI at 44.2 is not even a recession; it is a collapse.
Russia wins silently. Urals oil trades at a discount of only $4 to Brent — the smallest in two years. Each day of the conflict brings an additional $180 million in oil and gas revenues to the Russian budget. The country under sanctions has paradoxically become a beneficiary of the blockade of its own competitor, Iran.
What the Media Isn't Saying
Insight One: Even reopening Hormuz won't save the market this summer.
ExxonMobil CEO Darren Woods last week stated what official reports omit: if the strait opened today, it would take one to two months between opening and normalization of supplies. Tankers need to reposition, transit the strait, and reach destination ports. The summer peak demand season will arrive sooner. This means a deficit in the petroleum product market is guaranteed regardless of geopolitical news.
Goldman Sachs estimates that even with resumed flows through Hormuz, commercial stocks will continue to decline for at least two more months. By the end of May, global stocks will fall to 98 days of expected demand, down from 101 days currently. Fuel stocks will drop to 45 days from 50 days before the war.
Insight Two: The "operational minimum" is not a metaphor but a physical limit.
Natasha Kaneva of JPMorgan explained a mechanism most analysts ignore: not every barrel in storage can be extracted. Some oil is technologically necessary to maintain pressure in pipelines and operate export terminals. The "operational minimum" is reached not when tanks are empty, but when further withdrawal paralyzes infrastructure. JPMorgan warns: OECD stocks could reach "operational stress" levels as early as June, and "operational minimum" by September.
This means the world is moving not just toward high prices but toward physical fuel rationing. Regional shortages will become reality long before global tanks run dry.
Insight Three: Goldman Sachs sounds the alarm over the speed of depletion, not the volume.
Goldman Sachs analysts noted this week that the rate of stock decline — not the absolute level — is the main threat. Stocks are approaching eight-year lows, but even that is not what scares the bank. The pace of depletion makes the market vulnerable to any additional shock, whether a hurricane in the Gulf of Mexico, a pipeline accident, or a port strike.
Insight Four: The IEA is preparing an unprecedented reserve release.
Fatih Birol confirmed in Toronto: the agency has already released 20% of available strategic reserves. But he also hinted that a new, larger round is being prepared. On the sidelines of the summit, a coordinated release of up to 180 million barrels by the US, Japan, South Korea, and European countries is being discussed — an unprecedented figure, double the 2022 record.
Insight Five: Demand is being destroyed, but it doesn't help.
In Asia, Africa, and Latin America, "demand destruction" is already occurring — consumers physically cannot afford fuel at current prices. But the scale of the supply shock is such that even this does not balance the market. Energy Intelligence estimates that in March-April, demand reduction covered only part of the supply losses; the main gap was filled by stock depletion.
Forecast: Next 30 Days and 90 Days
Next 30 days (until June 9):
OECD stocks will enter the "operational stress" zone. The US gasoline crisis will become the top economic news: pump prices will exceed $4.50 per gallon nationally. The IEA will announce a new round of strategic reserve releases. Brent will trade in the $100-115 range, with short-term spikes to $120 in case of new incidents in Hormuz.
90-day horizon (until August 9):
The key period is July and August, the peak driving season in the Northern Hemisphere. If Hormuz remains closed, US gasoline stocks will fall below 200 million barrels — an all-time low. Certain regions, especially the US East Coast, may face local shortages and sales rationing. The European aviation sector will begin canceling flights due to jet fuel shortages.
By September, if the blockade persists, the world will approach the "operational minimum" — the point where oil infrastructure begins to lose functionality. This will be the moment of truth: either a political decision to open the strait at any cost, or a transition to a wartime economy with forced fuel distribution.
But there is an alternative scenario. If Hormuz opens in the coming weeks, the price rally will give way to a correction, but there will be no return to pre-war $70 per barrel. The world will need at least 6-9 months to restore stocks to a safe level. Recovery will occur at prices of $85-95 per barrel — structurally higher than before the war. This will change the global oil industry's economics for years to come, making expensive oil the new norm, not an anomaly.
— Editorial Team
